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M21-M25 Optional user M codes with M-Fin
Haas NGC M-code · Mill
User M codes that turn on an output relay and wait for an M-Fin signal from outside equipment before the program continues.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
M21 to M25
How it works
Not modal. Acts once on the line where it is commanded.
Example program
G91 G28 Z0. (Z HOME)
M21 (CYCLE THE PART MARKER, WAIT FOR FINISH)
G90 G00 X2. (CONTINUE AFTER M-FIN)
M21 (CYCLE THE PART MARKER, WAIT FOR FINISH)
G90 G00 X2. (CONTINUE AFTER M-FIN)
Example is in inch. Check offsets and clearances first.
Watch out for
- The range of user M codes depends on the control and the options fitted. Check the manual for your machine.
- If the outside device never sends M-Fin, the program waits forever.
Related codes
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