redundancy of openpmc

giacomo

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Join Date
Aug 2006
Location
firenze
Posts
1
Hello, I have two OpenPMC of ORSISiemens. I want to use these two PLCs in redundant configuration for a Profibus segment. How do I have to set the SP registers to obtain the communication of both PLC with the devices of the field?
I set the SP21 = 1, but only one PLC changes data with slave, and then it goes into I/O fault.

Thanks for help
 

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