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M99 Subprogram return
Hurco WinMax (NC) M-code · Mill
Ends a subprogram and returns to the calling program.
Format
M99
Addresses
| Address | What it does |
|---|---|
none | No words |
How it works
Non modal.
Example program
O7162 (SUBPROGRAM)
G00 X1. Y1. (MOVE)
G90 M99 (RETURN)
G00 X1. Y1. (MOVE)
G90 M99 (RETURN)
Example is in inch. Check offsets and clearances first.
Watch out for
- Every subprogram must end with M99.
- Set G90 back before M99 if the subprogram used G91.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
Related codes
M99 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Subprogram end and return |
| Haas NGC | Subprogram return or loop |
| Doosan (Fanuc) | End of sub program |
| DMG Mori MAPPS (Fanuc) | Sub-program end Repeat program |
| Mazak (EIA) | EIA → EIA Return to main EIA program |
| Okuma OSP | Subprogram return (Lathes & Mills) |
| Mitsubishi M70 M80 | Subprogram end and return |
| Brother Speedio | Subprogram end |
| Heidenhain TNC (ISO) | Cycle call in a positioning block |
| LinuxCNC Tormach | Fanuc style subprogram return |
| Mach3 Mach4 | Subprogram return |
| Centroid CNC12 Acorn | Return from subprogram or macro |
| Fadal | End of subprogram, or line jump |
| Swiss (Citizen Star) | Subprogram return or program loop |
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