PLC redundancy

PLC redundancy

i have zenon 6.51 build 4.
and wanna make redundancy server and PLC
plc are s7 tcp/ip(simence) .
anyway, i can make server redundancy but plc redundancy is problem.
on test,
when the primary PLC was power off or network cable was disconnected, PLC redundancy worked.
but, to test, when i made the p-PLC be stoped,
p-PLC took over to s-PLC. by the way, zenon was still communicate with p-PLC.
I am wondering how to take over the communication when making the PLC be stoped on purpose.

This is a migrated post! Originally posted on 17.05.2011 by user gyu. Please be aware that information can be outdated.

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