M91 External m-code m91

Doosan (Fanuc) M-code · Mill and lathe

Execute a user-defined or machine-specific auxiliary function M91.

Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.

M91 on other controls

The same number can mean something different on another control.

Control	Meaning
Haas NGC	Fixture clamp input off
DMG Mori MAPPS (Fanuc)	Tool-spindle or turning spindle simultaneous operation mode OFF
Heidenhain TNC (ISO)	Coordinates in machine datum
Centroid CNC12 Acorn	Move to minus home switch
Hurco WinMax (NC)	Z retract on power loss, disable
Fadal	Normal servo gain

Every M-code for Doosan (Fanuc) 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 M91 in the app All Doosan M-codes

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