Configuring MODBUS RTU on serial interface

To enable MODBUS RTU on a serial interface the protocol setup per default has to be replaced by either MODBUS RTU Client or Server, depending on required operation mode.

A serial interface supports only one protocol/operation mode at once.

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  1. Right click on node CAA_SerialCom and click Add object.

  2. Select Modbus RTU Client or Modbus RTU Server and click Add object.

    ⇒

    CAA_SerialCom is replaced by your selection.