CNC Machinist Calculator UltraM30 End of program and rewind
Fanuc M-code · Mill and lathe
Ends the program, resets the control and returns to the start of the program. The part counter usually counts up.
Format
M30
How it works
Non-modal.
Example program
G28 U0 W0 (HOME)
M30 (END AND REWIND)
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M30 (END AND REWIND)
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Example is in inch. Check offsets and clearances first.
Watch out for
- Return the turret home before M30 so the next cycle starts safely.
- Spindle and coolant stop, but check how your builder handles the part catcher and bar feeder.
Related codes
M30 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Haas NGC | Program end and reset |
| Doosan (Fanuc) | Program end & rewind |
| DMG Mori MAPPS (Fanuc) | Program end and rewind |
| Mazak (EIA) | Reset & tape rewind |
| Okuma OSP | End Program (Lathes & Mills) |
| Mitsubishi M70 M80 | End of program and rewind |
| Brother Speedio | Program end and rewind |
| Siemens 840D 828D | End of program |
| Heidenhain TNC (ISO) | End of program, same as M2 |
| Fagor 8055 8065 | End of program and return to start |
| LinuxCNC Tormach | Program end and pallet shuttle |
| Mach3 Mach4 | Program end and rewind |
| Centroid CNC12 Acorn | End of program, custom |
| Hurco WinMax (NC) | Program end |
| Fadal | End of all subroutines, or end of program |
| Swiss (Citizen Star) | Program end and reset (Star) |
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Open M30 in the app All Fanuc M-codes