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M2 Restart program
Centroid CNC12 Acorn M-code · Mill and lathe
Moves Z home, makes any move on the line, and goes back to the first line. The operator must press CYCLE START to run again.
Format
M2
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
One shot.
Example program
M5 M9 ; SPINDLE AND COOLANT OFF
G0 X0 Y0 ; PARK
M2 ; Z HOME, BACK TO THE TOP
G0 X0 Y0 ; PARK
M2 ; Z HOME, BACK TO THE TOP
Example is in inch. Check offsets and clearances first.
Watch out for
- M2 always moves Z home first, even if it is replaced by a macro.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M2 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | End of program |
| Haas NGC | Program end |
| Doosan (Fanuc) | Program end |
| DMG Mori MAPPS (Fanuc) | Program end |
| Mazak (EIA) | Program end |
| Okuma OSP | End of program (Lathes & Mills) |
| Mitsubishi M70 M80 | End of program |
| Brother Speedio | Program end |
| Siemens 840D 828D | End of main program |
| Heidenhain TNC (ISO) | End of program |
| Fagor 8055 8065 | End of program |
| LinuxCNC Tormach | Program end |
| Mach3 Mach4 | Program end |
| Hurco WinMax (NC) | End of program |
| Fadal | End of program |
| Swiss (Citizen Star) | End of one cycle (Citizen) |
Every M-code for Centroid CNC12 Acorn in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.
Open M2 in the app All Centroid CNC12 Acorn M-codes