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M1 Optional pause
LinuxCNC Tormach M-code · Mill and lathe
Pauses like M0 only when the optional stop switch is on.
Format
M1
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Non modal.
Example program
G0 Z1 (RETRACT)
M5 (SPINDLE OFF)
M1 (OPTIONAL STOP, CHECK TOOL 1)
T2 M6 G43
M5 (SPINDLE OFF)
M1 (OPTIONAL STOP, CHECK TOOL 1)
T2 M6 G43
Example is in inch. Check offsets and clearances first.
Watch out for
- Handy after each tool for first part checks. Turn the switch off for production.
Related codes
M1 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Optional stop |
| Haas NGC | Optional stop |
| Doosan (Fanuc) | Optional program stop |
| DMG Mori MAPPS (Fanuc) | Optional stop |
| Mazak (EIA) | Optional stop |
| Okuma OSP | Optional Stop (Lathes & Mills) |
| Mitsubishi M70 M80 | Optional stop |
| Brother Speedio | Optional stop |
| Siemens 840D 828D | Optional stop |
| Heidenhain TNC (ISO) | Optional program stop |
| Fagor 8055 8065 | Optional stop |
| Mach3 Mach4 | Optional stop |
| Centroid CNC12 Acorn | Optional stop |
| Hurco WinMax (NC) | Optional stop |
| Fadal | Optional stop |
| Swiss (Citizen Star) | Optional stop |
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