Laser Head

This page describes the hardware requirmements and FABlin settings for the FABtotum Laser Head. You can reference to them in troubleshooting and developing new custom heads with similar behavior.

Hardware

IO

#	FABlin pin	func	dir	HDB pin	Application
10	HEATER_0_PIN	GPIO	⇒	HEAT +	Power supply
11	SERVO0_PIN	PWM	→	SERVO PWM	Laser intensity
13	TEMP_0_PIN	ADC	←	THERM +	Temp. measure

Firmware

Configuration

Base setup

property	value
Working Mode	2 (Laser)
Add-on ID	4

Harcoded configuration

tools.factory[FAB_HEADS_laser_ID].mode = WORKING_MODE_LASER;               // M450 S2
tools.factory[FAB_HEADS_laser_ID].extruders= 1;                            // M563 D0
tools.factory[FAB_HEADS_laser_ID].heaters  = TP_SENSOR_0 | TP_SENSOR_BED;  //      H4:5
tools.factory[FAB_HEADS_laser_ID].thtable = 3;   // M800 S3
tools.factory[FAB_HEADS_laser_ID].maxtemp = 80;  // M801 S80
tools.factory[FAB_HEADS_laser_ID].mintemp = 10;  //      R10

Custom configuration

tools.factory[FAB_HEADS_laser_ID].mods = "M720 H1\n";

Command	Description
M720 H1	Power HEAT + line

Commands

Command	Description
M60 S<0-255>	Set laser power immediately
M61 S<0-255>	Finish moves and set laser power
M62	Turn off laser
M852 S<0-...>	Set laser security timeout