[evlatests] Tests 12/20/05
Pete Whiteis
pwhiteis at aoc.nrao.edu
Wed Dec 21 11:39:58 EST 2005
Pat, my comments below.
>
> 12/20/05 (evening): The same problem seemed to occur again. The
> antennas were pointing fine and following the loaded script but at
> some point I started getting the 'sync_detect' error on the Alerts
> screen and both antennas tried to go to the low elevation limit. I
> tried putting them in standby, then back into DPM and they continued
> to try to go to the low el limit. I was able to command them to park
> and they parked, but would not follow the script. (Tom Briscoe)
>
There is a known problem within the L305 Module wrt SYNC_DETECT (19.2
timing not available). This has the net effect of generating bogus
alerts. For now, I have disable alert detection for SYNC_DETECT on
both L305's until a HW solution is implemented.
I believe the problem with the SYNC_DETECT alert and ACU pointing is
unrelated, unless some consequential action is being generated at a
higher level in the system.
> I believe Ken has more information.
>
> Cheers,
> Pat
>
>
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