IOA addressing issue with IEC60870-5 104 driver in zenOn

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 :confused:

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

This is a migrated post! Originally posted on 16.08.2007 by user markclemens. Please be aware that information can be outdated.

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