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Online trend controls, is there a way to display a key to the trends?

9/24/2009 5:16 PM	Rate (0)
gazzap Posts: 23 Rating: (4)	Hi, I am trying to track throughput of my plant, trending 6 diferent areas. I am using archived tagging. Is there a way to display a key within the trend or to customise the display to display? I know holding the mouse pointer over will display the trend name, but in many cases the screens displaying this data will not have a keyboard or mouse. Also, some assistance with scaling would be appreciated. The tags are in the values of 180 - 200, but actual values required are 18.0 - 20.0. Is there a simple way or is it best to create an internal tag and transfer? Thanks & Regards, Gazzap.
gazzap Posts: 23 Rating: (4)
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9/24/2009 9:00 PM	Rate (1)
Phantom75 Posts: 2661 Rating: (279)	Hi gazzap, gazzap . . . Is there a way to display a key within the trend or to customise the display to display? . . . In the Caption attribute either include static text or dynamically extract text from object name (for example). I do not see any big advantage for the dynamic approach. gazzap . . . The tags are in the values of 180 - 200, but actual values required are 18.0 - 20.0. Is there a simple way or is it best to create an internal tag and transfer? . . . Please explore the EndValue attribute. Here you can change the factor (either statically or dynamically). Regards
Phantom75 Posts: 2661 Rating: (279)
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9/25/2009 9:09 AM	Rate (0)
gazzap Posts: 23 Rating: (4)	Thank you Phantom75, Unfortunetly, I can use the caption to identify one trend, I wasnt clear in my question, but I am showing all trends together on one Online trend control so that the throughput of each line can be tracked against the others. This is to try and identify where there may be a bottleneck or problem within the process. Also, looking through all of the options, I cannot find the option for setting the parameter EndValue? I am having difficulty, I was trained with WinCC version 6.0, and havnt used for a lot of years. Like most companies, mine will not currently pay to send on refresher course where this, I am sure would be a lot simpler. Thanks & regards,
gazzap Posts: 23 Rating: (4)
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9/25/2009 8:13 PM	Rate (1)
Phantom75 Posts: 2661 Rating: (279)	Hi gazzap, gazzap . . . I can use the caption to identify one trend, I wasnt clear in my question, but I am showing all trends together on one Online trend control . . . One way is to display the ruler permanently. For this you need to toggle the AdjustRuler and AnchorRuler attributes (using internal or external tags). See following thread: wincc trending problem!!! gazzap . . . looking through all of the options, I cannot find the option for setting the parameter EndValue? . . . Right-click on the trend and then click Object Properties and you'll see the EndValue attribute as shown in attached screenshot. Regards Attachment endvalue.pdf (177 Downloads)
Phantom75 Posts: 2661 Rating: (279)	Last edited by: Phantom75 at: 9/25/2009 9:59 PM
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