The Moeller PLC model PS3-DC-EE-3 has stopped functioning. The run LED does not come on.
The internal power supply rails have been checked and found to be OK. The EEPROM could be read on a EPROM reader and is found to be OK.
Could anybody suggest trouble shooting this PLC or source for new or second hand PS3 PLC.

 

check the "restart behaviour after power fail" settings in the software.
if not done change it to marker retain and start
the plc through s30 software.
alfred

 

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