From ad5c8cbba9f8b61fd4bc6327c7d9d39dc011b611 Mon Sep 17 00:00:00 2001 From: Cameron Lai <cameron.lai@makible.com> Date: Fri, 25 Apr 2014 17:04:24 +0800 Subject: [PATCH] Add safety limit for hot bed power in example configuration --- Marlin/example_configurations/makibox/Configuration.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h index 37033ffb6e..6ebd08f43e 100644 --- a/Marlin/example_configurations/makibox/Configuration.h +++ b/Marlin/example_configurations/makibox/Configuration.h @@ -220,7 +220,10 @@ // 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, // 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 //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)