G22 Enable or disable work zones

Fagor 8055 8065 G-code · Mill and lathe

Turns a work zone on or off. S0 off, S1 no entry zone, S2 no exit zone. Limits come from G20 and G21.

Format

G22 K S

Addresses

Address	What it does
`K`	Work zone number 1 to 4
`S`	S0 off, S1 no entry, S2 no exit

How it works

Modal. All zones are off at power up, but the limits are kept.

Example program

G20 K2 X0 Z0 (ZONE 2 LOWER LIMITS)
G21 K2 X2.0 Z1.0 (ZONE 2 UPPER LIMITS)
G22 K2 S1 (NO ENTRY ZONE AROUND CHUCK)
G22 K2 S0 (ZONE 2 OFF)

Example is in inch. Check offsets and clearances first.

Watch out for

The control uses tool dimensions so the tool does not cross the limit.
Good protection for chucks, vises and fixtures.

Related codes

G20

G22 on other controls

The same number can mean something different on another control.

Control	Meaning
Fanuc	Stored stroke check on
Okuma OSP	Programmable travel limit on
Brother Speedio	Stored stroke check on
Centroid CNC12 Acorn	Work envelope on

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