5/30/2018 9:57 AM | |
Joined: 9/9/2015 Last visit: 5/10/2024 Posts: 727 Rating: (268) |
Dear Experts, Does anyone know how could we configure a trend annotation in WinCC trends? To write a comment on certain timestamp on the root cause of events ? Any possibilities of configure this in PCS 7? Thank you for helping. |
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6/1/2018 2:27 PM | |
Joined: 3/14/2008 Last visit: 5/14/2024 Posts: 2066 Rating: (928)
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Hi JazTai, I know a way to do this...I have done it a while ago, maybe it's suits your need.... The customer wanted to add coloured dots to a trend display and a small text such as: "Sample taken". What I did was the following: I created a custom block with the analog input signal and inputs to handle the logic. In the faceplate of the custom block, the operator can fill in a value, a colour (red/green/orange) and a text. The operator can press: Add and in the trend a small coloured dot appears with the text. I think this is the only way to do this. On the trend, the dot had a code which scales the dot according to trend XY values. PS: You can take a look at the block: "PumpMon" from the Condition Monitoring Library (free download). In the picture: "@PG_PumpMon_NQCurve.pdl is a similar use of dots. When you open the dot properties, you can check under Events->UpdPoint the VBA code. The dot is placed according to this VBA code. |
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6/3/2018 10:47 AM | |
Joined: 9/9/2015 Last visit: 5/10/2024 Posts: 727 Rating: (268) |
Thank you so much for your comment. At least i see some light in the dark. I have checked the faceplate, that is exactly what i want to show on trend. But if the trend could be showing on WinCC active X trend, it will be the best. My customer would like to write the root cause and action taken on the spike trend in WinCC. I got replied from Siemens Tech support as well. They said, it is not available in PCS 7 and could not be done. For now, we can just right click and see the tool tips text on the value of the trend. Now I will discuss with my team and see what is the best way out. Once again, thank you so much Oreca. |
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6/4/2018 9:54 AM | |
Joined: 3/14/2008 Last visit: 5/14/2024 Posts: 2066 Rating: (928)
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Hi JazTai, Glad I could help you...a little bit. It would be a good feature if Siemens decided to add annotations. But, maybe you have to use a MES system like SimaticIT to make further use of trends and stuff like that.. |
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6/8/2018 5:09 PM | |
Joined: 2/29/2016 Last visit: 3/12/2024 Posts: 100 Rating: (1) |
Thats a great solution! I also got similair question once...i wish I knew then about this.. Thx |
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