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Connection status between WinCC Tia Portal and multiple PLCs

Created by: luka31 at: 9/13/2022 10:10 AM (5 Replies)

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9/13/2022 10:10 AM	Rate (0)
luka31 Experienced Member Joined: 4/3/2017 Last visit: 11/19/2025 Posts: 69 Rating: (1)	Hi, I am making SCADA in Tia Portal using WinCC Professional. I have 5 s7-1200 PLCs connected to the SCADA system. Is there any way to monitor connection with PLCs on SCADA? I want to use a tag so I can visualize if there is an error in the connection of each PLC.
	Last edited by: luka31 at: 09/13/2022 10:10:32
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9/13/2022 10:22 AM	Rate (0)
Ahmad Atiyah Posts: 21 Rating: (0)	Hi Luka Can you clarify the following: - Monitoring device you use, HMI, IPC, - How do you set the connection between 5 PLCs and SCADA monitor? - Have you set the diagnostic function on both sides (SCADA & PLC)? Check: Diagnostics in User Program with S7-1200 Regards. Ahmad Atiyah
Ahmad Atiyah Posts: 21 Rating: (0)	Last edited by: Ahmad Atiyah at: 09/13/2022 10:23:21 Last edited by: Ahmad Atiyah at: 09/13/2022 10:23:54 Last edited by: Ahmad Atiyah at: 09/13/2022 10:24:40 Last edited by: Jen_Moderator at: 09/14/2022 04:37:16 Link optimized.
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9/13/2022 12:13 PM	Rate (0)
luka31 Experienced Member Joined: 4/3/2017 Last visit: 11/19/2025 Posts: 69 Rating: (1)	I use a PC that is running SCADA. I connected all plc and SCADA to one switch via PROFINET. What do you mean by using diagnostics functions?
	Last edited by: luka31 at: 09/13/2022 12:14:07
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9/14/2022 12:03 PM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/9/2026 Posts: 16629 Rating: (1944)	Hello luka31 If you work with WinCC Professional you could use the "System Diagnostic View" control to see visually if he connections are OK or you could also use the "Channel Diagnostic View". Or if you want to analyse it with Tags you could check the quality code of a Test Tag out of the different connections. (you can do this easily with scripts) Bye Murof
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9/15/2022 9:59 AM	Rate (0)
luka31 Experienced Member Joined: 4/3/2017 Last visit: 11/19/2025 Posts: 69 Rating: (1)	How I can do it with quality code of a tag?
	Last edited by: luka31 at: 09/15/2022 09:59:13
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9/16/2022 1:28 PM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/9/2026 Posts: 16629 Rating: (1944)	Hello luka31 the Tag Object has a Qualtiy code property. you can read out for example in a VB Script. simply check the manual: https://support.industry.siemens.com/cs/ww/en/view/109794202/36136718219 https://support.industry.siemens.com/cs/ww/en/view/109794202/36146526603 you also can use C Code fucntions for this. https://support.industry.siemens.com/cs/ww/en/view/109794202/133448886667 Bye Murof
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