Question:
By default, customer found the function blocks PWD_DIAG and PWD_CMD for BMX CPS 4022 were not working properly upon M580 HSBY swap.
How to make the PWD_DIAG and PWD_CMD work upon M580 HSBY swap?
Answer:
It’s the known restriction for M580 HSBY that during a Switchover event, asynchronous communication function blocs which use internal management parameters do not automatically resume operation on the new Primary PLC without special care.
Program your application so that all EFBs instances are not exchanged with Standby PLC. To do this, de-select the Exchange on STBY attribute for the EFB instance
By default, customer found the function blocks PWD_DIAG and PWD_CMD for BMX CPS 4022 were not working properly upon M580 HSBY swap.
How to make the PWD_DIAG and PWD_CMD work upon M580 HSBY swap?
Answer:
It’s the known restriction for M580 HSBY that during a Switchover event, asynchronous communication function blocs which use internal management parameters do not automatically resume operation on the new Primary PLC without special care.
Program your application so that all EFBs instances are not exchanged with Standby PLC. To do this, de-select the Exchange on STBY attribute for the EFB instance
Опубликовано для: Schneider Electric Казахстан
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