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    mikacz

    @mikacz

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    Latest posts made by mikacz

    • RS485 to external Modbus RTU board

      I have Patron L207 and I'm trying to establish communication with following external Modbus RTU relay board

      I tried this:

      mbpoll /dev/extcomm/0/0 -m rtu -a 1 -b 9600 -c 8 -P none
      

      But I get

      Read output (holding) register failed: Connection timed out
      

      Any hints on wwhat I am doing wrong? I have no experience with RS485 so I am totally stuck.

      posted in Other Peripherals
      M
      mikacz