Siemens Ring Network Basic Working Principal Simatic Ring Topology Siemens Ring Network X204 Simatic PCS 7 Ring Topology Process Control System PCS 7 Ring Network Topology Scalance X204-2
Dear i have used same topology in my plant.. With 9 PLCs 2 servers and ES, tomorrow i have problem in my server panel scalance X204-2 F indication goes to Red and all communication loss with PLCs to Servers and ES.. RM light remains green, what will be the issue? Why redundancy didn't work..