Additional Adaptations To The Spindle Functionality That Can Be Configured - Siemens SINUMERIK 840D Function Manual

Boundary conditions
If the gear stage change is suppressed, the output spindle speed moves within the speed range
specified by the current gear stage.
The following restrictions apply to the subsequent activation of a gear stage change with
REPOS:
● The gear stage change is not activated subsequently if the spindle in the deselection or
target block is a command spindle (synchronized action) or PLC spindle (FC18).
● If the gear stage cannot be activated because the spindle is in position or axis mode or a link
is active, alarm 22011"Channel%1 block%3 spindle2% Change to programmed gear stage
not possible" is signaled.
Example
Gear stage change in DryRun
; 1st gear stage for output state activation
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
18.5 Additional adaptations to the spindle functionality that can be
configured
The following spindle functions can be activated using the machine data:
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA

18.5 Additional adaptations to the spindle functionality that can be configured

; 1st gear stage is selected
; Part program stop
; (Configuration)
; 2nd gear stage requested, no gear stage change
takes place
; Position axes
; Part program stop
; REORG and REPOS are performed
; now the gear stage change to the 2nd gear
stage takes place
; Part program end
S1: Spindles
809