Activity Forums Questions & Troubleshooting Hardware Controllino and DELTA 103WQ

  • Controllino and DELTA 103WQ

     Lukas updated 4 years, 11 months ago 2 Members · 2 Posts
  • wplarthshkr

    June 6, 2019 at 9:21 pm

    Hi, I want to make a project with controllino MAxi and a HMI screen in Delta 103WQ. I’m using modbus, but I cant communicate both devices. I use the example code to HMI RS485 interface but it doesnt work. Can anyone help me with this problem?

  • Lukas

    June 13, 2019 at 2:27 pm


    in general, we strongly recommend following procedure to bring your Modbus setup into live:

  • Try to run the setup with a PC as the Modbus Master.

  • There exists some free to use Modbus Master applications for PC.
  • In this way you can be really sure that you have correct cabling, you have correctly setup addresses of the slave devices and you are using correct Register numbers.
  • Once it is working, then you can start the integration with CONTROLLINO.
  • Good luck!


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