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About Sanu

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    Hi, I am New!

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  1. I already checked the power supply. it is working fine with correct jumper settings. The PLC is running fine when I remove the MCM module and its logic from the ladder logic.
  2. I am using an SLC/03 plc with MVI46 MCM module in the same CPU rack. after replacing the power supply, when i download the program, the PLC is faulted with error stating "SPECIALITY IO MODULE In slot2 has not responded to a command as being completed within the required time limit". I tried to reset the fault, but still comes back. when i remove the logic for MVI46 mcm module and download, the plc works fine.  please advise.   MCM firmwire version 1.03.