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Linking the communication objects of the different KNX devices is performed exclusively in the ETS5 program. To do this, you need the ETS5 software (light or professional version). You also need the KNX product file available from KNX.

Programming steps

  1. Create a project in CODESYS.

  2. Download the CODESYS project to the controller.

    The checksum (CRC) is also downloaded to the controller.

  3. Create an export file in CODESYS.

    The checksum (CRC) is also saved in the export file.

  4. Read the export file into the configuration of ETS5.

  5. Parameterize the objects in ETS5.

  6. Start the program on the controller.

  7. Transfer the KNX configuration to the controller.

    The checksum (CRC) is also transferred. The runtime system checks whether or not both checksums match. When they match, the KNX device is identified as functional by the green arrow. If not, then an error is issued in the logger. In case of error, the process data (inputs/outputs) is not updated.