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PostPosted: Tue Sep 19, 2017 1:04 pm 

Joined: Wed Jan 14, 2015 7:01 am
Posts: 1
Hi , I am the new in AB controllogix redundant. The project use PLC Allen bradley L-71 CPU redundant and there are remote ios via ethernet ring. I faced the problem that when the cpu switched from Primary to Secondary, output signal on the remote io rack will lost for a while and after 2 or 3seconds that remote io output will recover.

Has anyone have any suggestion?

Thank you in advance.


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