Mcodes - g2 - Gitea

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Table of Contents

Mcode Summary
M2, M30 Program End

See also Gcodes

Mcode Summary

Mcode	Parameter	Command	Description
M0		Program stop
M1		Program stop	Optional program stop switch is not implemented so M1 is equivalent to M0
M2		Program end
M30		Program end
M60		Program stop
M3	S	Spindle on - CW	S is speed in RPM
M4	S	Spindle on - CCW	S is speed in RPM
M5		Spindle off
M6		Change tool	No operation at this time
M7		Mist coolant on	Note that mist and flood share the same Coolant ON/OFF pin
M8		Flood coolant on	Note that mist and flood share the same Coolant ON/OFF pin
M9		All coolant off	Note that mist and flood share the same Coolant ON/OFF pin
M100	active comment	Run active comment in sync with motion	`M100 ({out1:1})` will turn `out1` on in between the moves surrounding this line
M100.1	active comment	Run active comment as soon as it's parsed	`M100.1 ({g55z:0.1})` will set the `G55` Z-offset to 0.1 as soon as it's parsed
M101	active comment	Delay motion in this point in the program until the active comment evaluates true	`M101 ({he1at:t})` will make the program wait until heater 1 is at temp (The value must be `true` or `false`, not numeric.)

M2, M30 Program End

program END (M2, M30) performs the following actions:

Axis offsets are set to G92.1 CANCEL offsets
Set default coordinate system (uses $gco)
Selected plane is set to default plane ($gpl)
Distance mode is set to MODE_ABSOLUTE (like G90)
Feed rate mode is set to UNITS_PER_MINUTE (like G94)
The spindle is stopped (like M5)
Motion mode is canceled like G80 (not set to G1)
Coolant is turned off (like M9)
Default INCHES or MM units mode is restored ($gun)

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