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Thread: IOA addressing issue with IEC60870-5 104 driver in zenOn

  1. #1

    Default IOA addressing issue with IEC60870-5 104 driver in zenOn

    In the PLC I have three octets for the IOA address. However in zenOn at the addressing information, only IOA1 is available. How do I address e.g. the Double Command (DCO, Type 46) correctly
    in zenOn, all the IOA fields are stored in one field, IOA1. There is a small conversion of the IOAs in the PLC to do, to find the correct addressing information for zenOn.

    Example:

    in PLC: IOA1 = 196, IOA2 = 135, IOA3 = 0

    in hex: C4, 87, 0
    in reverse order: 0 87 C4
    converted to a decimal number: 34756

    IOA1 in zenOn: 34756

  2. #2
    Join Date
    01.07.2008
    Location
    Salzburg, AT
    Posts
    765

    Default Re: IOA addressing issue with IEC60870-5 104 driver in zenOn

    Using variable 'Export dBase' and 'Import dBase' it is possible to coverts addressing automatically.

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