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Fronius Hybrid with Modbus TCP

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  • Fronius Hybrid with Modbus TCP

    Please leave comments or questions here regarding a loxwiki article at this link -
    Ich spreche kein Deutsch. Gib Google Translate die Schuld, wenn ich unverständlich bin.

  • #2
    I have hit a snag with one of the Fronius Hybrid modbus commands - namely, putting the inverter into STANDBY mode. It has stopped working.

    There are three possibilities I've considered -

    1. A bug has been introduced by a Fronius firmware update;
    2. A bug has been introduced with a Loxone firmware update; or
    3. A hardware fault has developed in my inverter.

    I can't tell the exact time when the STANDBY mode stopped working, but the timeframe could include all the above.

    Can anyone confirm whether their system works to place the inverter into STANDBY using Loxone?

    The specific register is called CONN. It's a read/write register that can have two values -

    0 = STANDBY
    1 = ON

    The CONN register is being successfully written to and reflects the correct value from the modbus sensor. The inverter is not physically going into Standby when observed at the inverter.
    Ich spreche kein Deutsch. Gib Google Translate die Schuld, wenn ich unverständlich bin.

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