kelvin
May 20 2003, 05:41 AM
We are using PLC 5/40 with hotbackup system by BEM/BCM module,presently we are facing one problem in standby PLC channel 1A & 2A LED assigned for DH+ are slowly flashing as we switchover PLC problem shifts t o anothe PLC ,.what could be reason.
omega
May 26 2003, 04:53 AM
The flashing LED means that the PLC is not communicating on those channels.
Are you HOT back-up or WARM back-up.
kelvin
May 27 2003, 02:10 AM
We are using hot back up system.LED flashing problem is apperaing in secondary processor in primary it is ok ,as we changover the processor problem also shifts to another processor which is now secondary.
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