Supported M-codes

1min

M Code
Meaning
M0
program stop
M1
optional program stop
M2
program end
M3
turn spindle clockwise
M4
turn spindle counterclockwise
M5
stop spindle turning
M6
tool change
M7
mist coolant on
M8
flood coolant on
M9
mist and flood coolant off
M20
Plasma Torch Height Control ON
M21
Plasma Torch Height Control OFF
M22
M23 Q… Set Plasma THC set point value;
M30
program end, spindle and coolants off, and rewind.
M48
enable speed and feed overrides
M49
disable speed and feed overrides
M60
program stop, use this with nesting instead of M30 so that the spindle/coolants remain on during the transition from one to the next run.
M54
set general-purpose output
M55
clear general-purpose output
M56
read general-purpose input
M80
Drive enable ON
M81
Drive enable OFF
M90
Standard Head/spindle
M91
Alternate Head/2nd spindle
M93
Alternate Head/3rd spindle
M95
Alternate Head/Probe
M97
Alternate Head/Camera
﻿
Note that a head may as well be e.g. a tangential knife configuration
﻿
Specials for 3D printing
M104
M104 S...  Set extruder temperature, (M104 S50, sets the temperature to 50 degrees Celsius)
M106
M106 S... Workpiece cooling FAN ON optionally with S=0-255, for 0-100% PWM
M107
M107 Work piece FAN off
M109
M109 S... Set extruder temperature and wait until reached
M143
M143 S... Maximum Hot-end temperature to prevent overheating
M140
M140 S... Bed temperature
M190
M190 Wait for bed temperature to reach the target value
﻿

G98, G99 (Set Canned Cycle Return Level)

M0, M1, M2, M30, M60 (Program Stopping and Ending)

Docs powered by archbee

M Code	Meaning
M0	program stop
M1	optional program stop
M2	program end
M3	turn spindle clockwise
M4	turn spindle counterclockwise
M5	stop spindle turning
M6	tool change
M7	mist coolant on
M8	flood coolant on
M9	mist and flood coolant off
M20	Plasma Torch Height Control ON
M21	Plasma Torch Height Control OFF
M22	M23 Q… Set Plasma THC set point value;
M30	program end, spindle and coolants off, and rewind.
M48	enable speed and feed overrides
M49	disable speed and feed overrides
M60	program stop, use this with nesting instead of M30 so that the spindle/coolants remain on during the transition from one to the next run.
M54	set general-purpose output
M55	clear general-purpose output
M56	read general-purpose input
M80	Drive enable ON
M81	Drive enable OFF
M90	Standard Head/spindle
M91	Alternate Head/2nd spindle
M93	Alternate Head/3rd spindle
M95	Alternate Head/Probe
M97	Alternate Head/Camera
	Note that a head may as well be e.g. a tangential knife configuration
	Specials for 3D printing
M104	M104 S... Set extruder temperature, (M104 S50, sets the temperature to 50 degrees Celsius)
M106	M106 S... Workpiece cooling FAN ON optionally with S=0-255, for 0-100% PWM
M107	M107 Work piece FAN off
M109	M109 S... Set extruder temperature and wait until reached
M143	M143 S... Maximum Hot-end temperature to prevent overheating
M140	M140 S... Bed temperature
M190	M190 Wait for bed temperature to reach the target value