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  1. ss-r

    Modbus RS-485 question

    Thanks again for the assistance from all. I was able to ascertain the slave address from documenting the communication parameters from the neighboring 2 VFDs (others being 2 and 3). I input 1 for the replacement drive and duplicated the remainder of communications settings and it worked.
  2. ss-r

    Modbus RS-485 question

    Thanks for the swift responses people. Ok with regards to the oscilloscope i am not in possession of a scope however if it is the last resort i will look into purchasing one. Now with regards to the communication failure, the drive itself is damaged meaning; it is not showing any indication of...
  3. ss-r

    Modbus RS-485 question

    Good day all. Let me begin with my present situation; I have a Chinese built system which employs a Schneider Electric Magelis touchscreen HMI control unit and 3 Variable frequency drives .37kW Danfoss 132F0002 (https://prom-electric.ru/media/fc51.pdf). One of my frequency drives have failed...

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