6
Diagnostics and error handling
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Festo – P.BE-CPX-CMAX-SYS-EN – en 2017-09b – English
Group 2 − Position set errors
CPX error group 102
(CPX-MMI: [Execution error] )
No.
Reset type
Error level
Message
27
Step enabling condition cannot be reached during positioning task
F1 (W)
R
Note
Message can be parameterised alternatively as a warning (W) or error (F1).
Cause
Step enabling position does not lie between the start position (last setpoint or
actual value at the time of the step enabling) and the new setpoint position, or
both positions are the same.
Measure
Check and correct the step enabling condition. Check the program sequence
in the controller. After a stop or error, the previous position must be ap
proached again.
Cause
The step enabling force is not between the starting force (last setpoint or actual value
at the time of switching) and the new force setpoint, or both forces are the same.
Measure
Check and correct the step enabling condition. Check the program sequence
in the controller. After a stop or error, the previous position must be ap
proached again or the previous force command repeated.
28
Step enabling condition was not reached
F1 (W)
R
Note
Message can be parameterised alternatively as a warning (W) or error (F1).
Cause
Step enabling was not executed. MC was reached before the step enabling condi
tion was fulfilled.
Measure
Check step enabling condition.
Check the program sequence in the controller.
