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S7-1200 and Simatic NET OPC communication problems

2/24/2011 8:54 AM	Rate (0)
BlackLion Posts: 9 Rating: (0)	Hello! I configured the communication between S7-1200 and WinCC 7.0 via this documentation https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=39960679&caller=view . It is work good, but i have 1 problem. Communication channel between S7-1200 and Computer with WinCC organize via Wi-Fi-communication and when connection periodically unstable. When connection drop out and stable again Simatic NET OPC not reading the tags. And only after restart PLS Simatic NET OPC again reading tags. How can I solve this problem with Simatic NET OPC and S7-1200 connection? Sorry for my english.
BlackLion Posts: 9 Rating: (0)	Last edited by: BlackLion at: 2/24/2011 8:55 AM
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4/25/2011 9:48 AM	Rate (0)
Rohit Bhatia Posts: 15 Rating: (0)	Hello BlackLion, What version of the SIMATIC NET OPC are you using? Regards, Rohit
Rohit Bhatia Posts: 15 Rating: (0)
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7/4/2011 10:52 AM	Rate (0)
djatta Bronze Member Joined: 1/16/2009 Last visit: 3/12/2025 Posts: 5 Rating: (0)	Hello BlackLion, I have the same problem. Have you managed to solve it?

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7/4/2011 1:33 PM	Rate (0)
Rohit Bhatia Posts: 15 Rating: (0)	Hello, What is required is an Operating System update of the S7-1200 controller. I earlier faced the same problem and it was solved as a result of the update. Update is available here I hope this helps. Regards, Rohit Bhatia.
Rohit Bhatia Posts: 15 Rating: (0)	Last edited by: Rohit Bhatia at: 7/4/2011 1:38 PM
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7/8/2011 4:54 PM	Rate (0)
djatta Bronze Member Joined: 1/16/2009 Last visit: 3/12/2025 Posts: 5 Rating: (0)	Can you tell me which firmware version solves this problem, since it is not written in the list ofenhancements?

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7/10/2011 6:09 AM	Rate (0)
Rohit Bhatia Posts: 15 Rating: (0)	Hello, This problem was solved with FW update to v2.0.1 (and now v2.0.3 is available). You're right, even I searched for this being listed in the enhancement list, but it wasn't. I got this information from a support request. Hope this helps. -Rohit Bhatia
Rohit Bhatia Posts: 15 Rating: (0)
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