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M290 Digitize a profile
Centroid CNC12 Acorn M-code · Mill and lathe
Probes along one axis while stepping along a second axis, like one slice of grid digitizing. Points go to the open data file.
Verify on your machine. This entry could not be fully checked against the maker manual. Check your machine manual before you run it.
Format
M290 /a dist /b dist "FORMAT" Q [R] [P] [L]
Addresses
| Address | What it does |
|---|---|
a | Probing axis and max distance |
b | Travel axis and max distance |
Q | Stepover |
R | Retract |
P | PLC bit to stop the cycle |
L | Variable for the stop status |
How it works
One shot.
Example program
M120 "PROFILE.TXT" ; OPEN FILE
G0 X0 Y0 Z.5 ; START
M290 /Z-1. /X4. Q.05 R.1 ; DIGITIZE, NO FORMAT STRING
G0 X0 Y0 Z.5 ; START
M290 /Z-1. /X4. Q.05 R.1 ; DIGITIZE, NO FORMAT STRING
Example is in inch. Check offsets and clearances first.
Watch out for
- It is an option. Open a file with M120 or M121 first.
Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.
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