Siemens SINUMERIK 828D Function Manual page 1324

S1: Spindles
16.4 Configurable gear adaptation
Example
Gear stage change in DryRun
; 1. Activate 1st gear stage for output state
N00 M3 S1000 M41
M0
; PI service: Activate dry run feedrate (DryRun)
N10 M42
N11 G0 X0 Y0 Z0
N12 M0
; PI service: Deactivate dry run feedrate (DryRun)
N20 G1 Z100 F1000
...
N99 M30
1324
; 1st gear stage is selected
; Part program stops
; (Configuring)
2nd gear stage requested, no gear stage change
;
takes place
; Positioning axes
; Part program stops
; REORG and REPOS are performed
; now the gear stage change to the 2nd gear stage
takes place
; Part program end
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions