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Following a power interruption the main server lost the connection with the PLC

10/25/2018 11:11 AM	Rate (0)
SETIGUI Member Joined: 10/26/2015 Last visit: 9/23/2024 Posts: 7 Rating: (0)	Hello I have a wincc 7.0 system with two redundant servers communicating with a s7 300 controller. Following a power interruption the main server lost the connection with the PLC passing the hand to the secondary server. The next day after another cut on secondary server to his lost the communication with the automaton.to date it is impossible for the two servers to communicate with the plc. can someone help me to solve this problem? ------------------------------------------------------------------------------------------ Split from communication problem with wincc v7.2 and plc.
	Last edited by: Jen_Moderator at: 10/25/2018 12:02:17 PM New subject after splitting
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11/2/2018 1:10 PM	Rate (0)
Murof Platinum Member Joined: 8/3/2009 Last visit: 3/14/2025 Posts: 14990 Rating: (1861)	Hello SETIGUI How do the WinCC Systems communicate with The PLC (MPI/DP /Ethernet?) -> Check out the Diagnostic Folder in the WinCC Installation Path, there is a Logfile for the S7Protocol Suite. Check out which Error Numbers. Bye Murof
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