G20 Lower work zone limits (8055)

Fagor 8055 8065 G-code · Mill and lathe

Sets the lower axis limits of work zone K1 to K4, from machine zero. Used with G21 upper limits and G22 to make no entry or no exit zones.

Format

G20 K X..C

Addresses

Address	What it does
`K`	Work zone number 1 to 4
`X..C`	Lower limits, from machine zero

How it works

Modal settings kept until changed. Zones are switched on with G22.

Example program

G20 K1 X1.0 Y1.0 (ZONE 1 LOWER LIMITS FROM MACHINE ZERO)
G21 K1 X4.0 Y2.0 (ZONE 1 UPPER LIMITS)
G22 K1 S1 (ZONE 1 IS NO ENTRY)

Example is in inch. Check offsets and clearances first.

Watch out for

On the 8055, G20 is not inch mode. Fagor uses G70 for inch.
On 8060 and 8065, G20 is listed as plane selection by two directions, not a work zone.
G21 sets the upper limits the same way.

Related codes

G22

G20 on other controls

The same number can mean something different on another control.

Control	Meaning
Fanuc	Inch input
Haas NGC	Inch programming check
Mazak (EIA)	Inch input
Okuma OSP	Inch input confirmation
Mitsubishi M70 M80	Inch input
Brother Speedio	Inch input
LinuxCNC Tormach	Inch units
Mach3 Mach4	Inch units
Centroid CNC12 Acorn	Inch units
Hurco WinMax (NC)	Inch input (ISNC)
Fadal	Check for inch setting
Swiss (Citizen Star)	Inch input

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