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Nibe 1245 heatpump with Modbus 40 module

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    Nibe 1245 heatpump with Modbus 40 module

    Nibe 1245 heatpump with Modbus 40 module with USB to serial and rs232 to RS485

    I have trouble figure out how to connect A & B pin to the serial d-sub 9 connector, what pin goes where.

    All off you that have this configuration working what timeout do you have inte plugin.

    Read/write Timeout
    Read/write retries
    Delay between each address poll

    #2
    These are my Nibe gateway settings.

    Click image for larger version

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    I use a RS-232 to RS-485 concverter (ATC-107N) in combination with a Netcom Serial device server.

    ---
    John

    Comment


      #3
      Thanks for the information.

      I have tested "Nibe Modbus 40" with two products in hope on getting it on Ethernet.
      Moxa Nport 5150 RS485 to eth, no contact.
      Moxa Mgate MB3180 rs485 moxa gateway to eth, no contact.

      Gave up and got a Link 150, works great. rs485 to Ethernet moxa gateway.
      https://www.schneider-electric.com/e...-v-dc-and-poe/


      / Jonas

      Comment


        #4
        Originally posted by jonas.hellgren View Post
        Thanks for the information.

        I have tested "Nibe Modbus 40" with two products in hope on getting it on Ethernet.
        Moxa Nport 5150 RS485 to eth, no contact.
        Moxa Mgate MB3180 rs485 moxa gateway to eth, no contact.

        Gave up and got a Link 150, works great. rs485 to Ethernet moxa gateway.
        https://www.schneider-electric.com/e...-v-dc-and-poe/


        / Jonas
        that seems a very expensive gateway


        ---
        John

        Comment


          #5
          I was thinking to use Modbus on my VVM320 but after I saw the price of the Nibe Modbus 40 module at 6500 NOK (~ 650 EUR) it is not worth it

          Comment

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