Add safety limit for hot bed power in example configuration

This commit is contained in:
Cameron Lai 2014-04-25 17:04:24 +08:00
parent 6460709d92
commit ad5c8cbba9

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@ -220,7 +220,10 @@
// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis) // all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did, // setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
// so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED) // so you shouldn't use it unless you are OK with PWM on your bed. (see the comment on enabling PIDTEMPBED)
#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current #define MAX_BED_POWER 175 // limits duty cycle to bed; 255=full current
// This limit is set to 175 by default in the Makibox configuration and it can adjusted
// to increase the heat up rate. However, if changed, user must be aware of the safety concerns
// of drawing too much current from the power supply.
#ifdef PIDTEMPBED #ifdef PIDTEMPBED
//120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+) //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)