Communication Between Control Logix and Centum VP Using Ethernet/IP


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There is two nos. of layer-2 switch between AB PLC and Yokogawa ALE111 card. we have tried to communicate using straight and cross cable but can't succeed.

There might be some error related to address translation (Setting of ALE111 Card).

Is there any method to check that whether data coming from PLC end or not? Hence we can identify problem end.

request to provide some settings for ALE111 and PLC if we are missing.