Hi Community, One of our customer is using T panel and facing an issue with time synchronization, in trends mapp View. They tried NTP Client and server but facing the same issue. I have attached the relevant images of configurations and issue. Can you suggest some solution Redundant system with …

Follow up question was asked on support: We are facing an issue of Time difference between mappView Client & mappView Server. The time deviation is about 1873s. Answer from support: this issue is known for every time zone with x:30h and can be worked around by enabling daylightsaving. With 1.8.1 …

[WhatsApp Image 2026-04-28 at 11.57.59 AM] [WhatsApp Image 2026-04-28 at 12.02.52 PM] Hi Community, HMI :- 6PPT50.156B-16B and CPU :- X20CP3686X , I have upgraded these two with the latest version and loaded the configuration from but the problem is still same as you can see in the above ima…

Hello, Which Image version is in the About & Info service page? [image] As @kovarj has mentioned, version 1.7.0 should wait for initial NTP sync . [image]

[WhatsApp Image 2026-04-28 at 2.30.21 PM]

So the image version is 1.6.2. Could you update to the newest one - 1.7.1.0?

yes, i have upgraded but the image version is still showing 1.6.2 [image]

This is only showing what you have in the project. You have to physically update your T-Panel. This means press the button “Update System”, load configuration from PLC, and after a successful update, store it.

Yes, I did the load configuration from PLC but the image version not changed.

For an image update, you have to press the Update System button. You should see the update action, progress, and completion. Otherwise is not done. Same for action - Activate wait for NTP sync. If you have this enabled, your visualization has started and time is not synchronized. Then it is not act…

I have implemented all the steps and recommendations provided so far; however, the issue still persists without any change. Could you please advise if there are any additional checks, configurations, or alternative approaches that we can try to resolve this problem?

T panel time synchronization Error in trends

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pavel.vavra (Pavel Vavra) April 30, 2026, 6:01am 16

Hello,

What is the stratum of your NTP server?

An alternative approach could be setting the time in the T panel OPC UA server equal to the PLC time with the FUB UA_MethodCall from the AsOpcUac library.

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T panel time synchronization Error in trends

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