From: Frank Geurts (geurts_at_rice.edu)
Date: Fri Mar 14 2003 - 14:25:32 EST
I talked to Eleanor, no TOF TCD was touched during Wed-access although
lots of stuff was done to some other TCDs. She'll try to contact Fred B.
again.
-f.
Tonko A. Ljubicic wrote:
> On Fri, 14 Mar 2003, Frank Geurts wrote:
>
>
>>dear tof experts -- i analyzed the log file of the test run this
>>morning. Everything looks just fine and the pedAsPhys run nicely process
>>~9600 tokens filling our localmon data files. But, all of a sudden we
>>are not getting any LAMs generate by the LAMG anymore. Assuming the LAMG
>>works properly (it does so for the first few 1000s of events) and
>>responses to EVENT this typically means that the local logic is not
>>pulsed anymore by the TCD.
>>
>>Along the same line I see the Bira generate LAMs but when teh Bira tries
>>to read out the word it only reads 0s (for token, daqcmd and trg),
>>although strangly enough the unused part (remember: the bira provides us
>>with a bigger word than the TCD "delivers") remains to be 0xF ...
>>
>>While receiving all these empty words from the TCD the local DAQ busy
>>remains CLEARED ... the tofpdaq software sees no reason to go busy
>>because there's no (pulsed) data available. So, the fact the TCD reports
>>100% back to STAR DAQ does not make sense. During the first 9000 events
>>this TOF busy (reported by the TCD) starts at about 40% and climbs up to
>>some ~80%.
>>
>>I suspect the TCD has a problem. Does anyone know of any changes that
>>have been made to it recently?
>
>
> Lot's of activity surrounding the TCD crate during the last days
> (especially during the Wed access...)...
>
> -- Tonko
>
>
> --
> Tonko (Ante) Ljubicic Email: tonko_at_bnl.gov
> Bldg. 510A Tel: +1-631-344-7346
> Brookhaven National Lab., P.O. Box 5000 Fax: +1-631-344-4206
> Upton, NY, 11973
>
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