Kim Hansen
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Umac system (pmac turbo controller cpu)
Would anyone happen to know what could cause PLC 0 to suddenly become disabled? I've already ruled out disable plc instructions as well as changes of I5.
Though rare, it happens in the midst of production for no apparent reason.
Servo movements aren't affected, and all of the other PLC:s stay up and running.
Global status flags looks normal. If i manually restart plc 0 then everything is ok again.
Any help/suggestions appreciated!
PLC 0 deactivating itself
in Turbo PMAC
Posted
Thank you for the suggestion, didn't know about this possibility to control the PLC execution. However, there are no M-variables assigned to this address and in this particular program there are no pointers/indexing so this probably isn't the issue.
If it keeps happening I will probably suggest a CPU exchange to rule out firmware/hardware issues.