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KTP400 - TrendView

Created by: rQx at: 12/11/2012 8:23 AM (6 Replies)

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12/11/2012 8:23 AM	Rate (0)
rQx Bronze Member Joined: 12/9/2010 Last visit: 1/22/2025 Posts: 162 Rating: (5)	Hi! I would like to display a trend based on a PT100, what I want is it to show the temperature over a day with 4 messure points per hour. Is this possible? I can't seem to figure out how to do it. The time axis is limited to like 999 seconds? Is it even possible on a KTP400 or is it a to simple HMI.

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12/11/2012 3:50 PM	Rate (1)
Tweety Posts: 3037 Rating: (192)	Hello, Yes, you can display a day in the trend view. You have 999 trendview values for your trend. You must change the pulse of your trend tag. See the screenshot. Yousetthe pulse of your trend tag to 1 second. 999 * 1 second = 999 seconds 1 day = 24 hours = 86400 seconds 86400 seconds / 999 values of the trend = 86,4 Yousetthe pulse of your trend tag to86 second. 999 *86 second = 85914 seconds Then you see all 86 seconds one value in the trend view. Tweety Attachment C:\trend.JPG (689 Downloads)
Tweety Posts: 3037 Rating: (192)
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This contribution was helpful to 1 thankful Users Tomy Master

12/12/2012 9:39 AM	Rate (0)
rQx Bronze Member Joined: 12/9/2010 Last visit: 1/22/2025 Posts: 162 Rating: (5)	Ah ok, I had completely missed that you could do that setting on the tag. But the time on the time axis is still only 999 seconds, maybe I can't display a time axis with the correct time?

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12/13/2012 12:50 PM	Rate (0)
Tweety Posts: 3037 Rating: (192)	Hello, You can change this in the setting of trendview. See the screenshot. Attachment D:\trendview.jpg (628 Downloads)
Tweety Posts: 3037 Rating: (192)
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12/13/2012 4:35 PM	Rate (0)
rQx Bronze Member Joined: 12/9/2010 Last visit: 1/22/2025 Posts: 162 Rating: (5)	Hm, I have tried that but It didn't work. I tried it in simulation, but maybe the trends don't sho accurate in the simulation. I will try it on the HMI "live" tomorrow! Thanks alot for your help!

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12/14/2012 11:24 AM	Rate (0)
Tweety Posts: 3037 Rating: (192)	Hello, See the demo project of KTP400 in this link. Demo projects for HMI Panels at WinCC (TIA Portal) for Basic Panels, Comfort Panels and WinCC Runtime Advanced (TIA Portal) Tweety
Tweety Posts: 3037 Rating: (192)
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This contribution was helpful to 1 thankful Users rQx

12/16/2012 11:05 PM	Rate (0)
rQx Bronze Member Joined: 12/9/2010 Last visit: 1/22/2025 Posts: 162 Rating: (5)	Thanks for the link! I must have had some issue with my brain because the trendview was working fine on the simulation. All is up and running now! Thanks for the help always appreciated!

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