Software Cams - Siemens SINUMERIK 840D sl Function Manual

TE8: Cycle-independent path-synchronous switching signal output
16.6 Boundary conditions
16.6.6

Software cams

Because the hardware timer is also used for the "software cam" function, it is not possible to
use the "clock-independent switching signal output" function with software cams at the same
time.
The following alarm appears in the event of an error:
Alarm 75500 "Channel
switching signal output"
A description of the software cams can be found in:
References:
/FB2/ Function Manual, Extended Functions; Software cams, Position switching signals (N3)
666
Channel No.
, wrong configuration of function: clock-independent
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Special Functions