Beijer Electronics (formerly QSI Corporation)

Manufacturer of Mobile Data and Human Machine Interface Terminals.
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PostPosted: Wed Aug 01, 2012 8:39 am 
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Joined: Wed Feb 02, 2011 9:20 am
Posts: 20
I am trying to attach a timescale to a trend chart and am having a problem getting the data on the trend chart to stay synchronized with the time. The time seems to be moving quicker than the chart and are vastly different by the time they scroll to the end.

I have tried using the "buddy" property, and tried it without with no luck.

My trend chart is being updated once every 60 seconds by a timer which reads Mod bus Values.

This seems like it should be a relatively straightforward task to accomplish, so I'm guessing I am missing something simple. Anything you think I should check that I may have overlooked?

I'm using Qlarity 2.63 on an A12

Thanks!


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PostPosted: Wed Aug 01, 2012 8:53 am 
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Joined: Thu Mar 02, 2006 2:12 pm
Posts: 487
Location: Salt Lake City, Utah
I've attached an example of a couple trendcharts with timescales attached. The trick is that the time scale timeperiod should be much large than the frequency of the timer. So if the timer updates once every 10 seconds, the timescale should have a timeperiod of at least 120 seconds. I've attached an example.

Feel free to send me a copy of your workspace if you would like me to take a look.

The buddy property needs to be set to the attached timescale.


Attachments:
timescaletest.qly [5.55 KiB]
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