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PostPosted: Mon Aug 06, 2018 4:36 pm 

Joined: Fri Aug 21, 2015 3:21 pm
Posts: 11
What do the quantities PlAzim and PlTilt refer to?

I often get erratic values in my hourly output file such as:

PlAzim
-90
0.0014
90

PlTilt
40.365
52.692
60
36.509
9.2845
0.0009

What are these numbers indicating?

Thanks,

H.


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PostPosted: Tue Aug 28, 2018 11:48 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1493
These values are simply the plane tilt and plane azimuth of your tracker, at a given time.
I don's see in which way they are erratic: these are calculated from the tracker's position (phi angle, axis tilt and azimuth, depending on the tracking mode) and are quite real angles.


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PostPosted: Thu Aug 30, 2018 1:22 pm 

Joined: Fri Aug 21, 2015 3:21 pm
Posts: 11
Hi André,

Thanks for the reply - I meant no disrespect!

My comment about the erratic nature was more referring to the PlAzim values. This output was achieved using a single axis tracker so I didn't understand why the azimith changed.

Thinking on it though I realize that one could interpret it as a change, and the very small 0.00014 value is when the tracker is at, or very close to the stow position - this clears up my miss-understanding so thank you.

Best,

H.


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