Siemens SIMATIC FM 353 - Page 291

Writing Traversing Programs
10-9
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Incremental dimensioning G91
Incremental dimensioning is the method used to specify incremental dimensions
that refer to the last actual position.
91
−30
/ N G1 G2 G3 X/t F M1 M2 M3 D
100
0
10 20 30 40 50
mm
Programmed
position
Actual position
Fig. 10-2 Incremental input G91