The G91 command is used to set the distance mode to incremental positioning. In incremental mode, all programmed positions are interpreted as distances from the current position.

G91 is a modal command and belongs to Group 3.

Syntax & Parameters

G91

Example Program

N10 G91

In this example, the G91 command sets the machine to incremental distance mode, and all subsequent movement commands will use incremental coordinates until another distance mode is selected.