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G4 G-code
G4 means “pause for a given duration of time”.
Format
The command is used as such :
G4 S5
Which means : pause for 5Â seconds.
This is useful for example to wait for spindles to ramp up to speed, or to wait for small layers to cool down on 3D printers.
Parameters
| ~ Parameter | ~ Usage | ~ Example | ||||
| Shift | Duration to wait in seconds | G4 S10 | ||||
| P | Duration to wait in milliseconds ( thousandth of a second ) | G4 P100 |
Note that if Grbl_mode is set to True then the P parameter is the duration to wait in seconds, not milliseconds, as a float value. This is to conform to G-Code standards.
Further reading
These resources are used as references for Gcode :
