Recent content by sherry

  1. S

    Modbus TCP with OMRON E5EC

    Hello David. Thank you very much for your time going thru the manual and the explanation on the function code. I tried to write in Modscan as you suggested, 0101 to both registers (0009 and 0010) but I got this: **Modbus Exception Response from Slave Device**
  2. S

    Modbus TCP with OMRON E5EC

    Hello, I need modbus expert to guide me on this as I am still new to modbus. I've referred to the OMRON E5EC "Digital Temperature Controllers Communications Manual" but I've yet to discover the holding register to write to Auto/Manual mode. I can read the status but not able to write to...
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