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FlexIO Allen Bradley and AC800M EthernetIP communication issues.

Hello, Everybody!

We are working in a project using Ethernet IP communication trough FlexIO Modules and CI873 communication interface.

After some initial issues regarding EDS file integration, we got a functional hwd files.

However, there is some abnormal situation. The commands from/to IOcards works propperly only when we have DI card in the end of the distribution. Example, if we put a DI card in the first psition, all the DO an AO modules don´t work anymore, even doing a cold reset to AC800M controller.

The Allen Bradley Hardware used is:

EtherNetIP Adapter 1794

1794-IB32 DI

1794-OW8 DO

1794-OF8IH AO

1794-IF8IH AI

We are using 800xA 5.1 FP4 rev. E

Someone has this kind of problem?

Thanks in advance!