Mat Shenton

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About Mat Shenton

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  1. Hello sir.

    Thank you for your invaluable contributions to our trade.

    I have been working on an integration project involving communications between an Omron CJ2M (CPU35) and an Allen Bradley CompactLogix (5069-L320ERS2) via implicit messaging over Ethernet IP.

    I have followed your guide for the "CJ2 to Rockwell CompactLogix or ControlLogix" integration but only had partial success.

    Everything appears to be working correctly from a status point of view and I can transfer data from the AB to the CJ2 but the CJ2 data is not appearing in the AB controller tags. When the link is physically disconnected then I can force values into the AB controller tags and this all gets overwritten with zeros once the cat5 is plugged back in and comms restart. I thought that I may have made a mistake when defining the network symbols in the CJ2 but I have followed your process from scratch 4 times with differing data memory types and areas in the CJ2 but always the same result.

    Could you please let me know if you are aware of a tweak to the guide for the specific devices in this project or if I am missing something silly.

    Thank you gain for your contributions.

    Mat Shenton