NIWOT02: Logbook Entries

NIWOT02: Adams Messages: 3 Entries..

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Entry Date Title Site Author #Graphics
9 Thu 22-Aug-2002Changed datel averagingstn2_centralmaclean
4 Fri 16-Aug-2002Replaced Ironicsnonemaclean
2 Fri 28-Jun-2002Adam testingnonemaclean


9: Adams, Site stn2_central, Thu 22-Aug-2002 10:21:13 MDT, Changed datel averaging
The 20hz analog data on cosmos was coming in at 19.9 Hz, and the
channel 0 samples showed a Datel Status of 1:

data_dump -c 0 -A -f cos020822.160000 
...
16:18:30.180 0 16 Datel status: 1
16:18:31.190 0 16 Datel status: 1
16:18:32.190 0 16 Datel status: 1
16:18:33.200 0 16 Datel status: 1
16:18:34.200 0 16 Datel status: 1
16:18:35.210 0 16 Datel status: 1
16:18:36.210 0 16 Datel status: 1
16:18:37.220 0 16 Datel status: 1
16:18:38.220 0 16 Datel status: 1


Datel status = 1 means that one 200hz conversion interrupt is
being missed every second. 

We are sampling 14 analog channels on cosmos. The datel code
used 14 channels as a cutoff, such that for 1-14 channels
it averaged 8 samples for each output.  

It apparently can't quite keep up, so I've changed the cutoff to 
13 channels, and so now it will average 4 samples per outout for 
the 14 channels.  That seems to work, we're seeing 20hz analog
channels, and no Datel status messages in channel 0.



4: Adams, Site none, Fri 16-Aug-2002 18:35:58 MDT, Replaced Ironics
Replaced sick ironics (SN 129043) in cosmos with SN 422016.

Serial channels are now coming in.





2: Adams, Site none, Fri 28-Jun-2002 13:24:06 MDT, Adam testing
These were the serial numbers of VME cards that worked well during
FLOSS01:

cosmos:
  backplane #3
  matrix: SN 9013
  ironics iv3234:  SN129043
  datel: 320689

marigold
  backplane: #4
  matrix: SN 940211101 
  ironics iv3234: SN 422016
  datel: SN 320589


This third adam is working now in the staging area:
  backplane #1
  matrix: 9009
  ironics iv3234: 820003
  datel  400190
  Teca: #4  (NSF 21690)
  power supply appears new, from MIT?


This datel does not work (LED does not come on): 440690