| Code | Modality | Group | Function | Example |
|---|---|---|---|---|
| G00 | modal | 01 | Positioning (Rapid traverse) | |
| G01 | modal | 01 | Linear interpolation (Cutting feed) | |
| G04 | 00 | Dwell, Exact stop | ||
| G10 | 00 | Data setting | ||
| G11 | 00 | Data setting mode cancel | ||
| G20 | 02 | Input in inch | ||
| G21 | 02 | Input in mm | ||
| G27 | 00 | Reference position return check | ||
| G28 | 00 | Return to reference point | ||
| G29 | 00 | Return from reference position | ||
| G30 | 00 | 2nd reference point return | ||
| G31 | 00 | Skip function | ||
| G43 | 06 | Tool length compensation (+) | ||
| G44 | 06 | Tool length compensation (-) | ||
| G49 | modal | 06 | Tool length compensation cancel | |
| G65 | 00 | Macro Command | ||
| G90 | modal | 03 | Absolute programming | |
| G91 | 03 | Incremental programming | ||
| G92 | 00 | Coordinate system setting | ||
| G93 | 04 | Feed rate | ||
| G94 | modal | 04 | Feed per minute |