G-code reference

The following G and M codes are supported by the Control Interface.

Setup Commands

Code	Command	Format	Purpose
F	Feed Speed	F<speed>	Sets the feed rate, or rate of movement of the axes.
G4	Dwell Time	G4 P<milliseconds>	Inserts a delay in milliseconds.
G90	Absolute Coordinates	G90	Sets coordinates to absolute, so that the motion commands are relative to the origin.
G91	Incremental Coordinates	G90	Sets coordinates to incremental so that all motion commands are relative to the previous position.
G92	Set Absolute Origin	G92 X<#> Y<#> Z<#>	Sets the origin that is referenced when in absolute mode.
M0	Program Stop/Pause	M0	Stops the g-code file from being further processed until the operator presses Continue or Start.
M30	End of Data	M30	Marks the end of the file. The rest of the file will not be processed.
M3 or M4	Spindle On	M3 or M4	Starts the spindle.
M5	Spindle Off	M5	Turns the spindle off.