Linking two or more plcs

macs_plc

Member
Join Date
Jan 2008
Location
Nagercoil
Posts
120
How to link two or more plc in siemens s7400 ????
i mean redundancy...

Eg...
I have written a program in simatic manager ...in single CPU
I want to know how to connect two or more cpu and make redundancy with each other ????
iam a newbie .......
and how can i test by switching off one CPU and make other work ????? using plcsim ????
 

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