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Recent content by RobWeston

  1. RobWeston

    Trend XNC Modbus Communication

    Hi Danw2 I admit that don't have much dealings with modbus commands and setup, I am dealing with the Trend IQ3 XNC controller as my master device and the driver within the Trend controller uses its own format for reading and writing commands which it then must convert to the format you have...
  2. RobWeston

    Trend XNC Modbus Communication

    Hi danw2 Thanks for your rely, I have the documentation for the ERT 400 Which I have attached. The documantation states to write to a register to use function code 16, I think I have got my head around it to a point, the registers that I am interested in are.... 2049 Cooling Setpoint 2050...
  3. RobWeston

    Trend IQ3 XNC Modbus Comms Help

    Hi All, I am working on a system where I am using a Trend XNC controller to communicate to 2 Eliwell ERT400 AHU controllers via a RS485 2 core network and the Eliwell BUS Adaptor 150's. I have setup the Trend controller ok and the Modbus driver stores to read data from the Eliwell ERT400...
  4. RobWeston

    Trend XNC Modbus Communication

    Hi All, I am working on a system where I am using a Trend XNC controller to communicate to 2 Eliwell ERT400 AHU controllers via a RS485 2 core network and the Eliwell BUS Adaptor 150's. I have setup the Trend controller ok and the Modbus driver stores to receive data from the Eliwell ERT400...

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