Configurable Max Accel, Max Feedrate, Max Jerk edit limits (#13929)

Marlin/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

Marlin/src/HAL/HAL_DUE/HAL.cpp

@@ -87,7 +87,7 @@ extern "C" {
 // Return free memory between end of heap (or end bss) and whatever is current
 int freeMemory() {
   int free_memory, heap_end = (int)_sbrk(0);
-  return (int)&free_memory - (heap_end ? heap_end : (int)&_ebss);
+  return (int)&free_memory - (heap_end ?: (int)&_ebss);
 }
 
 // ------------------------

Marlin/src/HAL/HAL_SAMD51/HAL.cpp

@@ -414,7 +414,7 @@ extern "C" {
 // Return free memory between end of heap (or end bss) and whatever is current
 int freeMemory() {
   int free_memory, heap_end = (int)_sbrk(0);
-  return (int)&free_memory - (heap_end ? heap_end : (int)&__bss_end__);
+  return (int)&free_memory - (heap_end ?: (int)&__bss_end__);
 }
 
 // ------------------------

Marlin/src/Marlin.cpp

@@ -762,7 +762,7 @@ void kill(PGM_P const lcd_msg/*=nullptr*/, const bool steppers_off/*=false*/) {
   SERIAL_ERROR_MSG(MSG_ERR_KILLED);
 
   #if HAS_DISPLAY
-    ui.kill_screen(lcd_msg ? lcd_msg : PSTR(MSG_KILLED));
+    ui.kill_screen(lcd_msg ?: PSTR(MSG_KILLED));
   #else
     UNUSED(lcd_msg);
   #endif

Marlin/src/feature/tmc_util.cpp

@@ -507,7 +507,7 @@
         case TMC_GLOBAL_SCALER:
           {
             uint16_t value = st.GLOBAL_SCALER();
-            SERIAL_PRINT(value ? value : 256, DEC);
+            SERIAL_PRINT(value ?: 256, DEC);
             SERIAL_ECHOPGM("/256");
           }
           break;

Marlin/src/gcode/config/M200-M205.cpp

@@ -62,11 +62,9 @@ void GcodeSuite::M201() {
   LOOP_XYZE(i) {
     if (parser.seen(axis_codes[i])) {
       const uint8_t a = (i == E_AXIS ? uint8_t(E_AXIS_N(target_extruder)) : i);
-      planner.settings.max_acceleration_mm_per_s2[a] = parser.value_axis_units((AxisEnum)a);
+      planner.set_max_acceleration(a, parser.value_axis_units((AxisEnum)a));
     }
   }
-
-  planner.reset_acceleration_rates();
 }
 
 /**
@@ -82,7 +80,7 @@ void GcodeSuite::M203() {
   LOOP_XYZE(i)
     if (parser.seen(axis_codes[i])) {
       const uint8_t a = (i == E_AXIS ? uint8_t(E_AXIS_N(target_extruder)) : i);
-      planner.settings.max_feedrate_mm_s[a] = parser.value_axis_units((AxisEnum)a);
+      planner.set_max_feedrate(a, parser.value_axis_units((AxisEnum)a));
     }
 }
 
@@ -152,17 +150,17 @@ void GcodeSuite::M205() {
     }
   #endif
   #if HAS_CLASSIC_JERK
-    if (parser.seen('X')) planner.max_jerk.x = parser.value_linear_units();
+    if (parser.seen('X')) planner.set_max_jerk(X_AXIS, parser.value_linear_units());
-    if (parser.seen('Y')) planner.max_jerk.y = parser.value_linear_units();
+    if (parser.seen('Y')) planner.set_max_jerk(Y_AXIS, parser.value_linear_units());
     if (parser.seen('Z')) {
-      planner.max_jerk.z = parser.value_linear_units();
+      planner.set_max_jerk(Z_AXIS, parser.value_linear_units());
-      #if HAS_MESH
+      #if HAS_MESH && DISABLED(LIMITED_JERK_EDITING)
         if (planner.max_jerk.z <= 0.1f)
           SERIAL_ECHOLNPGM("WARNING! Low Z Jerk may lead to unwanted pauses.");
       #endif
     }
     #if !BOTH(JUNCTION_DEVIATION, LIN_ADVANCE)
-      if (parser.seen('E')) planner.max_jerk.e = parser.value_linear_units();
+      if (parser.seen('E')) planner.set_max_jerk(E_AXIS, parser.value_linear_units());
     #endif
   #endif
 }

Marlin/src/gcode/config/M92.cpp

@@ -98,7 +98,7 @@ void GcodeSuite::M92() {
     const float wanted = parser.floatval('L');
     if (parser.seen('H') || wanted) {
       const uint16_t argH = parser.ushortval('H'),
-                     micro_steps = argH ? argH : Z_MICROSTEPS;
+                     micro_steps = argH ?: Z_MICROSTEPS;
       const float z_full_step_mm = micro_steps * planner.steps_to_mm[Z_AXIS];
       SERIAL_ECHO_START();
       SERIAL_ECHOPAIR("{ micro_steps:", micro_steps, ", z_full_step_mm:", z_full_step_mm);

Marlin/src/gcode/parser.cpp

@@ -222,8 +222,7 @@ void GCodeParser::parse(char *p) {
   // Only use string_arg for these M codes
   if (letter == 'M') switch (codenum) {
     #if ENABLED(GCODE_MACROS)
-      case 810: case 811: case 812: case 813: case 814:
+      case 810 ... 819:
-      case 815: case 816: case 817: case 818: case 819:
     #endif
     #if ENABLED(EXPECTED_PRINTER_CHECK)
       case 16:

Marlin/src/inc/SanityCheck.h

@@ -2254,6 +2254,42 @@ static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
               && _ARR_TEST(3,6) && _ARR_TEST(3,7) && _ARR_TEST(3,8),
               "DEFAULT_MAX_ACCELERATION values must be positive.");
 
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #ifdef MAX_ACCEL_EDIT_VALUES
+    constexpr float sanity_arr_4[] = MAX_ACCEL_EDIT_VALUES;
+    static_assert(COUNT(sanity_arr_4) >= XYZE, "MAX_ACCEL_EDIT_VALUES requires X, Y, Z and E elements.");
+    static_assert(COUNT(sanity_arr_4) <= XYZE, "MAX_ACCEL_EDIT_VALUES has too many elements. X, Y, Z and E elements only.");
+    static_assert(   _ARR_TEST(4,0) && _ARR_TEST(4,1) && _ARR_TEST(4,2)
+                  && _ARR_TEST(4,3) && _ARR_TEST(4,4) && _ARR_TEST(4,5)
+                  && _ARR_TEST(4,6) && _ARR_TEST(4,7) && _ARR_TEST(4,8),
+                  "MAX_ACCEL_EDIT_VALUES values must be positive.");
+  #endif
+#endif
+
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #ifdef MAX_FEEDRATE_EDIT_VALUES
+    constexpr float sanity_arr_5[] = MAX_FEEDRATE_EDIT_VALUES;
+    static_assert(COUNT(sanity_arr_5) >= XYZE, "MAX_FEEDRATE_EDIT_VALUES requires X, Y, Z and E elements.");
+    static_assert(COUNT(sanity_arr_5) <= XYZE, "MAX_FEEDRATE_EDIT_VALUES has too many elements. X, Y, Z and E elements only.");
+    static_assert(   _ARR_TEST(5,0) && _ARR_TEST(5,1) && _ARR_TEST(5,2)
+                  && _ARR_TEST(5,3) && _ARR_TEST(5,4) && _ARR_TEST(5,5)
+                  && _ARR_TEST(5,6) && _ARR_TEST(5,7) && _ARR_TEST(5,8),
+                  "MAX_FEEDRATE_EDIT_VALUES values must be positive.");
+  #endif
+#endif
+
+#if ENABLED(LIMITED_JERK_EDITING)
+  #ifdef MAX_JERK_EDIT_VALUES
+    constexpr float sanity_arr_6[] = MAX_JERK_EDIT_VALUES;
+    static_assert(COUNT(sanity_arr_6) >= XYZE, "MAX_JERK_EDIT_VALUES requires X, Y, Z and E elements.");
+    static_assert(COUNT(sanity_arr_6) <= XYZE, "MAX_JERK_EDIT_VALUES has too many elements. X, Y, Z and E elements only.");
+    static_assert(   _ARR_TEST(6,0) && _ARR_TEST(6,1) && _ARR_TEST(6,2)
+                  && _ARR_TEST(6,3) && _ARR_TEST(6,4) && _ARR_TEST(6,5)
+                  && _ARR_TEST(6,6) && _ARR_TEST(6,7) && _ARR_TEST(6,8),
+                  "MAX_JERK_EDIT_VALUES values must be positive.");
+  #endif
+#endif
+
 #undef _ARR_TEST
 
 #if BOTH(CNC_COORDINATE_SYSTEMS, NO_WORKSPACE_OFFSETS)

Marlin/src/lcd/extensible_ui/lib/lulzbot/ftdi_eve_lib/extended/dl_cache.cpp

@@ -115,12 +115,12 @@ bool DLCache::store(uint32_t num_bytes /* = 0*/) {
     // If we are allocating new space...
     dl_addr     = CLCD::mem_read_32(DL_FREE_ADDR);
     free_space  = MAP::RAM_G_SIZE - dl_addr;
-    dl_alloc    = num_bytes ? num_bytes : new_dl_size;
+    dl_alloc    = num_bytes ?: new_dl_size;
     dl_size     = new_dl_size;
   } else {
     // Otherwise, we can only store as much space
     // as was previously allocated.
-    free_space  = num_bytes ? num_bytes : dl_size;
+    free_space  = num_bytes ?: dl_size;
     dl_alloc    = 0;
     dl_size     = new_dl_size;
   }

Marlin/src/lcd/extensible_ui/ui_api.cpp

@@ -577,12 +577,11 @@ namespace ExtUI {
   }
 
   void setAxisMaxFeedrate_mm_s(const feedRate_t value, const axis_t axis) {
-    planner.settings.max_feedrate_mm_s[axis] = value;
+    planner.set_max_feedrate(axis, value);
   }
 
   void setAxisMaxFeedrate_mm_s(const feedRate_t value, const extruder_t extruder) {
-    UNUSED_E(extruder);
+    planner.set_max_feedrate(E_AXIS_N(extruder - E0), value);
-    planner.settings.max_feedrate_mm_s[E_AXIS_N(axis - E0)] = value;
   }
 
   float getAxisMaxAcceleration_mm_s2(const axis_t axis) {
@@ -595,12 +594,11 @@ namespace ExtUI {
   }
 
   void setAxisMaxAcceleration_mm_s2(const float value, const axis_t axis) {
-    planner.settings.max_acceleration_mm_per_s2[axis] = value;
+    planner.set_max_acceleration(axis, value);
   }
 
   void setAxisMaxAcceleration_mm_s2(const float value, const extruder_t extruder) {
-    UNUSED_E(extruder);
+    planner.set_max_acceleration(E_AXIS_N(extruder - E0), value);
-    planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(extruder - E0)] = value;
   }
 
   #if HAS_FILAMENT_SENSOR
@@ -648,11 +646,11 @@ namespace ExtUI {
     }
 
     void setAxisMaxJerk_mm_s(const float value, const axis_t axis) {
-      planner.max_jerk[axis] = value;
+      planner.set_max_jerk((AxisEnum)axis, value);
     }
 
     void setAxisMaxJerk_mm_s(const float value, const extruder_t) {
-      planner.max_jerk.e = value;
+      planner.set_max_jerk(E_AXIS, value);
     }
   #endif
 

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -453,14 +453,28 @@ void menu_backlash();
     MENU_BACK(MSG_ADVANCED_SETTINGS);
 
     // M203 Max Feedrate
-    #define EDIT_VMAX(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_##N, &planner.settings.max_feedrate_mm_s[_AXIS(N)], 1, 999)
+    constexpr xyze_feedrate_t max_fr_edit =
+      #ifdef MAX_FEEDRATE_EDIT_VALUES
+        MAX_FEEDRATE_EDIT_VALUES
+      #elif ENABLED(LIMITED_MAX_FR_EDITING)
+        DEFAULT_MAX_FEEDRATE
+      #else
+        { 999, 999, 999, 999 }
+      #endif
+    ;
+    #if ENABLED(LIMITED_MAX_FR_EDITING) && !defined(MAX_FEEDRATE_EDIT_VALUES)
+      const xyze_feedrate_t max_fr_edit_scaled = max_fr_edit * 2;
+    #else
+      const xyze_feedrate_t &max_fr_edit_scaled = max_fr_edit;
+    #endif
+    #define EDIT_VMAX(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_##N, &planner.settings.max_feedrate_mm_s[_AXIS(N)], 1, max_fr_edit_scaled[_AXIS(N)])
     EDIT_VMAX(A);
     EDIT_VMAX(B);
     EDIT_VMAX(C);
 
     #if ENABLED(DISTINCT_E_FACTORS)
-      #define EDIT_VMAX_E(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E##N, &planner.settings.max_feedrate_mm_s[E_AXIS_N(N-1)], 1, 999)
+      #define EDIT_VMAX_E(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E##N, &planner.settings.max_feedrate_mm_s[E_AXIS_N(N-1)], 1, max_fr_edit_scaled.e)
-      MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E, &planner.settings.max_feedrate_mm_s[E_AXIS_N(active_extruder)], 1, 999);
+      MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E, &planner.settings.max_feedrate_mm_s[E_AXIS_N(active_extruder)], 1, max_fr_edit_scaled.e);
       EDIT_VMAX_E(1);
       EDIT_VMAX_E(2);
       #if E_STEPPERS > 2
@@ -476,7 +490,7 @@ void menu_backlash();
         #endif // E_STEPPERS > 3
       #endif // E_STEPPERS > 2
     #elif E_STEPPERS
-      MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E, &planner.settings.max_feedrate_mm_s[E_AXIS], 1, 999);
+      MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_VMAX MSG_E, &planner.settings.max_feedrate_mm_s[E_AXIS], 1, max_fr_edit_scaled.e);
     #endif
 
     // M205 S Min Feedrate
@@ -493,25 +507,41 @@ void menu_backlash();
     START_MENU();
     MENU_BACK(MSG_ADVANCED_SETTINGS);
 
+    static float max_accel = _MAX(planner.settings.max_acceleration_mm_per_s2[A_AXIS], planner.settings.max_acceleration_mm_per_s2[B_AXIS], planner.settings.max_acceleration_mm_per_s2[C_AXIS]);
     // M204 P Acceleration
-    MENU_MULTIPLIER_ITEM_EDIT(float5_25, MSG_ACC, &planner.settings.acceleration, 25, 99000);
+    MENU_MULTIPLIER_ITEM_EDIT(float5_25, MSG_ACC, &planner.settings.acceleration, 25, max_accel);
 
     // M204 R Retract Acceleration
-    MENU_MULTIPLIER_ITEM_EDIT(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, 99000);
+    MENU_MULTIPLIER_ITEM_EDIT(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, max_accel);
 
     // M204 T Travel Acceleration
-    MENU_MULTIPLIER_ITEM_EDIT(float5_25, MSG_A_TRAVEL, &planner.settings.travel_acceleration, 25, 99000);
+    MENU_MULTIPLIER_ITEM_EDIT(float5_25, MSG_A_TRAVEL, &planner.settings.travel_acceleration, 25, max_accel);
 
     // M201 settings
-    #define EDIT_AMAX(Q,L) MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5_25, MSG_AMAX MSG_##Q, &planner.settings.max_acceleration_mm_per_s2[_AXIS(Q)], L, 99000, _reset_acceleration_rates)
+    constexpr xyze_ulong_t max_accel_edit =
+      #ifdef MAX_ACCEL_EDIT_VALUES
+        MAX_ACCEL_EDIT_VALUES
+      #elif ENABLED(LIMITED_MAX_ACCEL_EDITING)
+        DEFAULT_MAX_ACCELERATION
+      #else
+        { 99000, 99000, 99000, 99000 }
+      #endif
+    ;
+    #if ENABLED(LIMITED_MAX_ACCEL_EDITING) && !defined(MAX_ACCEL_EDIT_VALUES)
+      const xyze_ulong_t max_accel_edit_scaled = max_accel_edit * 2;
+    #else
+      const xyze_ulong_t &max_accel_edit_scaled = max_accel_edit;
+    #endif
+
+    #define EDIT_AMAX(Q,L) MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5_25, MSG_AMAX MSG_##Q, &planner.settings.max_acceleration_mm_per_s2[_AXIS(Q)], L, max_accel_edit_scaled[_AXIS(Q)], _reset_acceleration_rates)
 
     EDIT_AMAX(A,100);
     EDIT_AMAX(B,100);
     EDIT_AMAX(C, 10);
 
     #if ENABLED(DISTINCT_E_FACTORS)
-      #define EDIT_AMAX_E(N,E) MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_E##N, &planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(E)], 100, 99000, _reset_e##E##_acceleration_rate)
+      #define EDIT_AMAX_E(N,E) MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5_25, MSG_AMAX MSG_E##N, &planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(E)], 100, max_accel_edit_scaled.e, _reset_e##E##_acceleration_rate)
-      MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_E, &planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(active_extruder)], 100, 99000, _reset_acceleration_rates);
+      MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5_25, MSG_AMAX MSG_E, &planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(active_extruder)], 100, max_accel_edit_scaled.e, _reset_acceleration_rates);
       EDIT_AMAX_E(1,0);
       EDIT_AMAX_E(2,1);
       #if E_STEPPERS > 2
@@ -527,7 +557,7 @@ void menu_backlash();
         #endif // E_STEPPERS > 3
       #endif // E_STEPPERS > 2
     #elif E_STEPPERS
-      MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5, MSG_AMAX MSG_E, &planner.settings.max_acceleration_mm_per_s2[E_AXIS], 100, 99000, _reset_acceleration_rates);
+      MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(long5_25, MSG_AMAX MSG_E, &planner.settings.max_acceleration_mm_per_s2[E_AXIS], 100, max_accel_edit_scaled.e, _reset_acceleration_rates);
     #endif
 
     END_MENU();
@@ -546,16 +576,25 @@ void menu_backlash();
       #endif
     #endif
     #if HAS_CLASSIC_JERK
-      #define EDIT_JERK(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_V##N##_JERK, &planner.max_jerk[_AXIS(N)], 1, 990)
+      constexpr xyze_float_t max_jerk_edit =
+        #ifdef MAX_ACCEL_EDIT_VALUES
+          MAX_JERK_EDIT_VALUES
+        #elif ENABLED(LIMITED_JERK_EDITING)
+          { (DEFAULT_XJERK) * 2, (DEFAULT_YJERK) * 2, (DEFAULT_ZJERK) * 2, (DEFAULT_EJERK) * 2 }
+        #else
+          { 990, 990, 990, 990 }
+        #endif
+      ;
+      #define EDIT_JERK(N) MENU_MULTIPLIER_ITEM_EDIT(float3, MSG_V##N##_JERK, &planner.max_jerk[_AXIS(N)], 1, max_jerk_edit[_AXIS(N)])
       EDIT_JERK(A);
       EDIT_JERK(B);
       #if ENABLED(DELTA)
         EDIT_JERK(C);
       #else
-        MENU_MULTIPLIER_ITEM_EDIT(float52sign, MSG_VC_JERK, &planner.max_jerk.c, 0.1f, 990);
+        MENU_MULTIPLIER_ITEM_EDIT(float52sign, MSG_VC_JERK, &planner.max_jerk.c, 0.1f, max_jerk_edit.c);
       #endif
       #if !BOTH(JUNCTION_DEVIATION, LIN_ADVANCE)
-        EDIT_JERK(E);
+        MENU_MULTIPLIER_ITEM_EDIT(float52sign, MSG_VE_JERK, &planner.max_jerk.e, 0.1f, max_jerk_edit.e);
       #endif
     #endif
 

Marlin/src/module/motion.cpp

@@ -344,8 +344,8 @@ void _internal_move_to_destination(const feedRate_t &fr_mm_s/*=0.0f*/
 void do_blocking_move_to(const float rx, const float ry, const float rz, const feedRate_t &fr_mm_s/*=0.0*/) {
   if (DEBUGGING(LEVELING)) DEBUG_XYZ(">>> do_blocking_move_to", rx, ry, rz);
 
-  const feedRate_t z_feedrate = fr_mm_s ? fr_mm_s : homing_feedrate(Z_AXIS),
+  const feedRate_t z_feedrate = fr_mm_s ?: homing_feedrate(Z_AXIS),
-                  xy_feedrate = fr_mm_s ? fr_mm_s : feedRate_t(XY_PROBE_FEEDRATE_MM_S);
+                  xy_feedrate = fr_mm_s ?: feedRate_t(XY_PROBE_FEEDRATE_MM_S);
 
   #if ENABLED(DELTA)
 
@@ -1255,7 +1255,7 @@ void do_homing_move(const AxisEnum axis, const float distance, const feedRate_t
     #endif
   }
 
-  const feedRate_t real_fr_mm_s = fr_mm_s ? fr_mm_s : homing_feedrate(axis);
+  const feedRate_t real_fr_mm_s = fr_mm_s ?: homing_feedrate(axis);
   #if IS_SCARA
     // Tell the planner the axis is at 0
     current_position[axis] = 0;

Marlin/src/module/planner.cpp

@@ -2653,7 +2653,7 @@ bool Planner::buffer_line(const float &rx, const float &ry, const float &rz, con
     #if ENABLED(SCARA_FEEDRATE_SCALING)
       // For SCARA scale the feed rate from mm/s to degrees/s
       // i.e., Complete the angular vector in the given time.
-      const float duration_recip = inv_duration ? inv_duration : fr_mm_s / mm;
+      const float duration_recip = inv_duration ?: fr_mm_s / mm;
       const feedRate_t feedrate = HYPOT(delta.a - position_float.a, delta.b - position_float.b) * duration_recip;
     #else
       const feedRate_t feedrate = fr_mm_s;
@@ -2772,6 +2772,68 @@ void Planner::refresh_positioning() {
   reset_acceleration_rates();
 }
 
+inline void limit_and_warn(float &val, const uint8_t axis, PGM_P const setting_name, const xyze_float_t &max_limit) {
+  const uint8_t lim_axis = axis > E_AXIS ? E_AXIS : axis;
+  const float before = val;
+  LIMIT(val, 1, max_limit[lim_axis]);
+  if (before != val) {
+    SERIAL_CHAR(axis_codes[lim_axis]);
+    SERIAL_ECHOPGM(" Max ");
+    serialprintPGM(setting_name);
+    SERIAL_ECHOLNPAIR(" limited to ", val);
+  }
+}
+
+void Planner::set_max_acceleration(const uint8_t axis, float targetValue) {
+  #if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+    #ifdef MAX_ACCEL_EDIT_VALUES
+      constexpr xyze_float_t max_accel_edit = MAX_ACCEL_EDIT_VALUES;
+      const xyze_float_t &max_acc_edit_scaled = max_accel_edit;
+    #else
+      constexpr xyze_float_t max_accel_edit = DEFAULT_MAX_ACCELERATION,
+                             max_acc_edit_scaled = max_accel_edit * 2;
+    #endif
+    limit_and_warn(targetValue, axis, PSTR("Acceleration"), max_acc_edit_scaled);
+  #endif
+  settings.max_acceleration_mm_per_s2[axis] = targetValue;
+
+  // Update steps per s2 to agree with the units per s2 (since they are used in the planner)
+  reset_acceleration_rates();
+}
+
+void Planner::set_max_feedrate(const uint8_t axis, float targetValue) {
+  #if ENABLED(LIMITED_MAX_FR_EDITING)
+    #ifdef MAX_FEEDRATE_EDIT_VALUES
+      constexpr xyze_float_t max_fr_edit = MAX_FEEDRATE_EDIT_VALUES;
+      const xyze_float_t &max_fr_edit_scaled = max_fr_edit;
+    #else
+      constexpr xyze_float_t max_fr_edit = DEFAULT_MAX_FEEDRATE,
+                             max_fr_edit_scaled = max_fr_edit * 2;
+    #endif
+    limit_and_warn(targetValue, axis, PSTR("Feedrate"), max_fr_edit_scaled);
+  #endif
+  settings.max_feedrate_mm_s[axis] = targetValue;
+}
+
+void Planner::set_max_jerk(const AxisEnum axis, float targetValue) {
+  #if HAS_CLASSIC_JERK
+    #if ENABLED(LIMITED_JERK_EDITING)
+      constexpr xyze_float_t max_jerk_edit =
+        #ifdef MAX_JERK_EDIT_VALUES
+          MAX_JERK_EDIT_VALUES
+        #else
+          { (DEFAULT_XJERK) * 2, (DEFAULT_YJERK) * 2,
+            (DEFAULT_ZJERK) * 2, (DEFAULT_EJERK) * 2 }
+        #endif
+      ;
+      limit_and_warn(targetValue, axis, PSTR("Jerk"), max_jerk_edit);
+    #endif
+    max_jerk[axis] = targetValue;
+  #else
+    UNUSED(axis); UNUSED(targetValue);
+  #endif
+}
+
 #if ENABLED(AUTOTEMP)
 
   void Planner::autotemp_M104_M109() {

Marlin/src/module/planner.h

@@ -358,6 +358,10 @@ class Planner {
 
     static void reset_acceleration_rates();
     static void refresh_positioning();
+    static void set_max_acceleration(const uint8_t axis, float targetValue);
+    static void set_max_feedrate(const uint8_t axis, float targetValue);
+    static void set_max_jerk(const AxisEnum axis, float targetValue);
+
 
     #if EXTRUDERS
       FORCE_INLINE static void refresh_e_factor(const uint8_t e) {

config/default/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/3DFabXYZ/Migbot/Configuration.h

@@ -731,6 +731,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 225, 225, 3, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -739,6 +744,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1590, 1590, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -777,6 +787,11 @@
   #define DEFAULT_XJERK 8.0
   #define DEFAULT_YJERK 8.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/ADIMLab/Gantry v2/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/AlephObjects/TAZ4/Configuration.h

@@ -745,6 +745,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 800, 800, 8, 50 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -753,6 +758,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 9000, 9000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -791,6 +801,11 @@
   #define DEFAULT_XJERK  8.0
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK   10.0  // May be used by Linear Advance

config/examples/AliExpress/CL-260/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/AliExpress/UM2pExt/Configuration.h

@@ -736,6 +736,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 40, 45}
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -744,6 +749,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -782,6 +792,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/A2/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/A2plus/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/A6/Configuration.h

@@ -756,6 +756,11 @@
 //#define DEFAULT_MAX_FEEDRATE          { 400, 400, 20, 50 }
 
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -769,6 +774,11 @@
 #define DEFAULT_MAX_ACCELERATION      { 9000, 5000, 50,  10000 }
 //#define DEFAULT_MAX_ACCELERATION      { 10000, 10000, 200, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -818,6 +828,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/A8/Configuration.h

@@ -738,6 +738,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 8, 50 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -746,6 +751,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -784,6 +794,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/A8plus/Configuration.h

@@ -736,6 +736,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 50, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -744,6 +749,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -782,6 +792,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Anet/E16/Configuration.h

@@ -737,6 +737,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 50, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -745,6 +750,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -783,6 +793,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/AnyCubic/i3/Configuration.h

@@ -735,6 +735,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 6, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -743,6 +748,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1500, 1500, 50, 8000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -781,6 +791,11 @@
   #define DEFAULT_XJERK 5.0
   #define DEFAULT_YJERK 2.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    2.0  // May be used by Linear Advance

config/examples/ArmEd/Configuration.h

@@ -726,6 +726,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 20, 120 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -734,6 +739,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 1000, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -772,6 +782,11 @@
   #define DEFAULT_XJERK  8.0
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    1.5  // May be used by Linear Advance

config/examples/Azteeg/X5GT/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/BIBO/TouchX/cyclops/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 350, 350, 10, 50 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1100, 1100, 300, 2500 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK  7.0
   #define DEFAULT_YJERK  7.0
   #define DEFAULT_ZJERK  0.65
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/BIBO/TouchX/default/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 350, 350, 10, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1100, 1100, 300, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK  7.0
   #define DEFAULT_YJERK  7.0
   #define DEFAULT_ZJERK  0.65
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/BQ/Hephestos/Configuration.h

@@ -713,6 +713,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 200, 200, 3.3, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -721,6 +726,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1100, 1100, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -759,6 +769,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/BQ/Hephestos_2/Configuration.h

@@ -726,6 +726,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 3, 120 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -734,6 +739,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 3000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -772,6 +782,11 @@
   #define DEFAULT_XJERK  5.0
   #define DEFAULT_YJERK  5.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK   10.0  // May be used by Linear Advance

config/examples/BQ/WITBOX/Configuration.h

@@ -713,6 +713,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 350, 350, 7.2, 80 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -721,6 +726,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 10, 1000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -759,6 +769,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Cartesio/Configuration.h

@@ -724,6 +724,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 200, 200, 20, 20 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -732,6 +737,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -770,6 +780,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-10/Configuration.h

@@ -735,6 +735,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 15, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -743,6 +748,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -781,6 +791,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  2.7
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-10S/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 2500, 2500, 100, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-10_5S/Configuration.h

@@ -726,6 +726,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -734,6 +739,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 300, 300, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -772,6 +782,11 @@
   #define DEFAULT_XJERK  5.0
   #define DEFAULT_YJERK  5.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-10mini/Configuration.h

@@ -744,6 +744,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 15, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -752,6 +757,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -790,6 +800,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-20 Pro/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-20/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/CR-8/Configuration.h

@@ -735,6 +735,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -743,6 +748,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -781,6 +791,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/Ender-2/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/Ender-3/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/Ender-4/Configuration.h

@@ -735,6 +735,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 15, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -743,6 +748,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -781,6 +791,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  2.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Creality/Ender-5/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Dagoma/Disco Ultimate/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 4, 170 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 1000, 20, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 20
   #define DEFAULT_YJERK 20
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 50, 40 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 8.0
   #define DEFAULT_YJERK 8.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Einstart-S/Configuration.h

@@ -735,6 +735,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -743,6 +748,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -781,6 +791,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/AIO_II/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/Cheetah 1.2/BLTouch/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/Cheetah 1.2/base/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/Cheetah/BLTouch/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/Cheetah/base/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FYSETC/F6_13/Configuration.h

@@ -727,6 +727,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -735,6 +740,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -773,6 +783,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Felix/Configuration.h

@@ -707,6 +707,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -715,6 +720,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 100, 80000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -753,6 +763,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Felix/DUAL/Configuration.h

@@ -707,6 +707,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -715,6 +720,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 100, 80000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -753,6 +763,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/FlashForge/CreatorPro/Configuration.h

@@ -717,6 +717,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 250, 250, 20, 100 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -725,6 +730,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -763,6 +773,11 @@
 #define DEFAULT_XJERK                 20.0
 #define DEFAULT_YJERK                 20.0
 #define DEFAULT_ZJERK                  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    2.0  // May be used by Linear Advance

config/examples/FolgerTech/i3-2020/Configuration.h

@@ -731,6 +731,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 250, 250, 2, 17 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -739,6 +744,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 4, 750 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -777,6 +787,11 @@
   #define DEFAULT_XJERK  8.5
   #define DEFAULT_YJERK  8.5
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    4.0  // May be used by Linear Advance

config/examples/Formbot/Raptor/Configuration.h

@@ -781,6 +781,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 250, 150, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -808,6 +813,11 @@
 #endif
 #define DEFAULT_MAX_ACCELERATION      { X_ACCEL, Y_ACCEL, 400, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -854,6 +864,11 @@
     #define DEFAULT_YJERK  5.0
   #endif
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Formbot/T_Rex_2+/Configuration.h

@@ -754,6 +754,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 200, 100, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -762,6 +767,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1500, 500, 400, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -800,6 +810,11 @@
   #define DEFAULT_XJERK 12.0  // More conservative numbers.
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Formbot/T_Rex_3/Configuration.h

@@ -736,6 +736,11 @@
 //#define DEFAULT_MAX_FEEDRATE          { 250, 150, 5, 25 }
 #define DEFAULT_MAX_FEEDRATE          { 250, 100, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -744,6 +749,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1500, 500, 400, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -787,6 +797,11 @@
   #define DEFAULT_XJERK 12.0  // More conservative numbers.
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/A10/Configuration.h

@@ -708,6 +708,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -716,6 +721,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -754,6 +764,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/A10M/Configuration.h

@@ -708,6 +708,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -716,6 +721,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -754,6 +764,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/A20M/Configuration.h

@@ -708,6 +708,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -716,6 +721,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -754,6 +764,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/GT2560/Configuration.h

@@ -740,6 +740,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -748,6 +753,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 50, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -786,6 +796,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    4.0  // May be used by Linear Advance

config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 4000, 4000, 40, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK  5.0
   #define DEFAULT_YJERK  5.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    4.0  // May be used by Linear Advance

config/examples/Geeetech/MeCreator2/Configuration.h

@@ -732,6 +732,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 250, 250, 400, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -740,6 +745,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 2000, 2000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -778,6 +788,11 @@
   #define DEFAULT_XJERK  0
   #define DEFAULT_YJERK  0
   #define DEFAULT_ZJERK  0.6
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK   50.0  // May be used by Linear Advance

config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -745,6 +745,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -753,6 +758,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 75, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -791,6 +801,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -745,6 +745,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -753,6 +758,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 5000, 5000, 75, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -791,6 +801,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/HMS434/Configuration.h

@@ -712,6 +712,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 1000, 1000, 40, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -720,6 +725,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 500, 500, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -758,6 +768,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Infitary/i3-M508/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 9000, 9000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/JGAurora/A5/Configuration.h

@@ -737,6 +737,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 15, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -745,6 +750,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 500, 100, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -783,6 +793,11 @@
   #define DEFAULT_XJERK  8.0
   #define DEFAULT_YJERK  3.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/MakerParts/Configuration.h

@@ -745,6 +745,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE            { 300, 300, 2, 30 } // For 300mm/s printing
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -753,6 +758,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION        { MAX_XYAXIS_ACCEL, MAX_XYAXIS_ACCEL, 10, 200 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -791,6 +801,11 @@
   #define DEFAULT_XJERK  2.0
   #define DEFAULT_YJERK  2.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    8.0  // May be used by Linear Advance

config/examples/Malyan/M150/Configuration.h

@@ -745,6 +745,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -753,6 +758,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 700, 700, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -791,6 +801,11 @@
   #define DEFAULT_XJERK  8.0
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Malyan/M200/Configuration.h

@@ -724,6 +724,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -732,6 +737,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -770,6 +780,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Micromake/C1/basic/Configuration.h

@@ -729,6 +729,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 200, 200, 200, 30 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
  #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 3000, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK DEFAULT_XJERK
   #define DEFAULT_ZJERK DEFAULT_XJERK // Must be same as XY for delta
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Micromake/C1/enhanced/Configuration.h

@@ -729,6 +729,11 @@
  */
  #define DEFAULT_MAX_FEEDRATE          { 200, 200, 200, 30 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
  */
  #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 3000, 4000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -775,6 +785,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK DEFAULT_XJERK
   #define DEFAULT_ZJERK DEFAULT_XJERK // Must be same as XY for delta
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Mks/Robin/Configuration.h

@@ -726,6 +726,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -734,6 +739,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -772,6 +782,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Mks/Sbase/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 9000, 9000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Printrbot/PrintrboardG2/Configuration.h

@@ -728,6 +728,11 @@
 //#define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 #define DEFAULT_MAX_FEEDRATE          { 30, 30,30,30 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -737,6 +742,11 @@
 //#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 #define DEFAULT_MAX_ACCELERATION      { 100, 100, 100, 100 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -779,6 +789,11 @@
   #define DEFAULT_XJERK 1.0
   #define DEFAULT_YJERK 1.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/RapideLite/RL200/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 9000, 9000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/RepRapPro/Huxley/Configuration.h

@@ -765,6 +765,11 @@ Black rubber belt(MXL), 18 - tooth aluminium pulley : 87.489 step per mm (Huxley
 #define DEFAULT_MAX_Z_FEEDRATE        3.3 // older Huxley has problem with speeds > 3.3 mm/s on Z axis
 #define DEFAULT_MAX_FEEDRATE          { 200, 200, DEFAULT_MAX_Z_FEEDRATE, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -773,6 +778,11 @@ Black rubber belt(MXL), 18 - tooth aluminium pulley : 87.489 step per mm (Huxley
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 50, 1000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -811,6 +821,11 @@ Black rubber belt(MXL), 18 - tooth aluminium pulley : 87.489 step per mm (Huxley
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/RigidBot/Configuration.h

@@ -723,6 +723,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -731,6 +736,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 800, 800, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -769,6 +779,11 @@
   #define DEFAULT_XJERK  8.0
   #define DEFAULT_YJERK  8.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/SCARA/Configuration.h

@@ -734,6 +734,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 30, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -742,6 +747,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 300, 300, 20, 1000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -780,6 +790,11 @@
   #define DEFAULT_XJERK  5.0
   #define DEFAULT_YJERK  5.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    3.0  // May be used by Linear Advance

config/examples/STM32/Black_STM32F407VET6/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/STM32/STM32F103RE/Configuration.h

@@ -727,6 +727,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -735,6 +740,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1400, 1400, 100, 80000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -773,6 +783,11 @@
   #define DEFAULT_XJERK 13.0
   #define DEFAULT_YJERK 13.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/STM32/STM32F4/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/STM32/stm32f103ret6/Configuration.h

@@ -727,6 +727,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -735,6 +740,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1400, 1400, 100, 80000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -773,6 +783,11 @@
   #define DEFAULT_XJERK 13.0
   #define DEFAULT_YJERK 13.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Sanguinololu/Configuration.h

@@ -756,6 +756,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 8, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -764,6 +769,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -802,6 +812,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Tevo/Michelangelo/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 60, 55 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 10000, 10000, 400, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Tevo/Tarantula Pro/Configuration.h

@@ -730,6 +730,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 50, 45 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -738,6 +743,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -776,6 +786,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/TheBorg/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 500, 500, 5, 25 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 9000, 9000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/TinyBoy2/Configuration.h

@@ -776,6 +776,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 300, 300, 7, 35 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -784,6 +789,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -822,6 +832,11 @@
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Tronxy/X1/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 2, 50 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 400, 400, 40, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 20.0
   #define DEFAULT_YJERK 20.0
   #define DEFAULT_ZJERK  0.3
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance

config/examples/Tronxy/X3A/Configuration.h

@@ -725,6 +725,11 @@
  */
 #define DEFAULT_MAX_FEEDRATE          { 400, 400, 4, 50 }
 
+//#define LIMITED_MAX_FR_EDITING        // Limit edit via M203 or LCD to DEFAULT_MAX_FEEDRATE * 2
+#if ENABLED(LIMITED_MAX_FR_EDITING)
+  #define MAX_FEEDRATE_EDIT_VALUES    { 600, 600, 10, 50 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Max Acceleration (change/s) change = mm/s
  * (Maximum start speed for accelerated moves)
@@ -733,6 +738,11 @@
  */
 #define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 1500, 5000 }
 
+//#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
+#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
+  #define MAX_ACCEL_EDIT_VALUES       { 6000, 6000, 200, 20000 } // ...or, set your own edit limits
+#endif
+
 /**
  * Default Acceleration (change/s) change = mm/s
  * Override with M204
@@ -771,6 +781,11 @@
   #define DEFAULT_XJERK 15.0
   #define DEFAULT_YJERK 15.0
   #define DEFAULT_ZJERK  0.4
+
+  //#define LIMITED_JERK_EDITING        // Limit edit via M205 or LCD to DEFAULT_aJERK * 2
+  #if ENABLED(LIMITED_JERK_EDITING)
+    #define MAX_JERK_EDIT_VALUES { 20, 20, 0.6, 10 } // ...or, set your own edit limits
+  #endif
 #endif
 
 #define DEFAULT_EJERK    5.0  // May be used by Linear Advance