5
Operation
32
Festo – GDCP-CMMP-AS-M0-S1-EN – 1412a – English
Error
message
Meaning
Actions
51-0
Reserved
–
51-1
Safety function: Driver function
defective
–
Internal voltage error of the
STO circuit
Protection circuit defective. No action possible,
please contact Festo. If possible, replace with
another motor controller.
51-2
Reserved
–
51-3
Reserved
–
52-1
Safety function: Discrepancy
time has elapsed
Control ports STO-A and STO-B are not actuated
simultaneously.
Control ports STO-A and STO-B are not wired in the
same way.
Check discrepancy time.
52-2
Safety function: Failure of driver
supply with active PWM control
The safe status was requested with approved
power end stage. Check inclusion in the
safety-oriented interface.
1)
The messages of error group 51 cannot be acknowledged.
Tab. 5.2
Error messages relating to the safety function