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G30 Second reference point return
Brother Speedio G-code · Mill
Moves to the second reference point set in parameters, often a clear loading position.
Format
G30 [P] X Y Z
Addresses
| Address | What it does |
|---|---|
P | Reference point number 2 to 4 |
X Y Z | Intermediate point |
How it works
Non-modal.
Example program
G00 Z1. (CLEAR)
G91 G30 Z0 (Z TO SECOND REFERENCE)
G90 (ABSOLUTE)
G91 G30 Z0 (Z TO SECOND REFERENCE)
G90 (ABSOLUTE)
Example is in inch. Check offsets and clearances first.
Watch out for
- The position comes from a parameter. Check it before use.
Related codes
G30 on other controls
The same number can mean something different on another control.
| Control | Meaning |
|---|---|
| Fanuc | Return to 2nd, 3rd or 4th reference position |
| Mazak (EIA) | Second, third or fourth reference point |
| Okuma OSP | Positioning to home position |
| Mitsubishi M70 M80 | Second to fourth reference return |
| Heidenhain TNC (ISO) | Blank form min point |
| LinuxCNC Tormach | Go to stored position 2 |
| Mach3 Mach4 | Return to second home |
| Centroid CNC12 Acorn | Return to reference point 2 |
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