M121-M129: Relays with M-Fin
Relay M-codes that wait for the M-Fin signal, for peripherals or automation.
For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.
- Family
- Automation
- Machine
- Milling, Turning, Mill-turn
- Risk
- High
- Example
- M129
M129Machine: Milling, Turning, Mill-turnRisk: High
Haas · Fanuc
- Haas: Used with M-Fin on Haas for external equipment.
- Fanuc: Equivalent depends on the ladder/PLC of the machine.
Other codes in Automation
Frequently Asked Questions (FAQ)
What does M121-M129 mean in a CNC program?
Relay M-codes that wait for the M-Fin signal, for peripherals or automation. In the catalogue it appears as "Relays with M-Fin", within the Automation family.
Can you give me an example of M121-M129?
M129 — Relay M-codes that wait for the M-Fin signal, for peripherals or automation.
Which machines use M121-M129?
M121-M129 is used in: Milling, Turning, Mill-turn.
What should you watch out for with M121-M129?
High risk: a mistake here can cause a crash, a broken tool or an out-of-tolerance part. Simulate the program and dry-run it before cutting.
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