M50 Feed override control

LinuxCNC Tormach M-code · Mill and lathe

P0 disables the feed override knob. P1 or no P enables it.

Format

M50 [P]

Addresses

Address	What it does
`P`	0 off, 1 on

How it works

Modal.

Example program

M50 P0 (FEED OVERRIDE OFF)
G1 X2 F15
M50 P1 (FEED OVERRIDE ON)

Example is in inch. Check offsets and clearances first.

Watch out for

Set it back with M50 P1.

Related codes

M48 · M51

M50 on other controls

The same number can mean something different on another control.

Control	Meaning
Haas NGC	Pallet change
Doosan (Fanuc)	Bar-feeder command 1
DMG Mori MAPPS (Fanuc)	Oil-hole drill coolant ON
Centroid CNC12 Acorn	C axis off
Swiss (Citizen Star)	Pick-off check (Citizen)

Every M-code for LinuxCNC Tormach 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 M50 in the app All LinuxCNC Tormach M-codes

App Store Google Play