October 3, 2007 online meeting minutes

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present: Sergey Boyarinov, Sergey Pozdnyakov, Nerses Gevorgyan, Tanest Chinwanawich, Elliott Wolin, Benjamin Raydo, Stepan Stepanyan

DVCS Trigger System

Ben presented preliminary [design of the system.



Projects


  • PCAL (works, +5V fixed, signal distr board replaced, 1 sec delay introduced in 'go' to fix hunging; Stepan asked about

10times better ADC resolution - >2Gsample card ???)


  • TI in PCI - may need it again, remind Ed
  • Active collimator needed in DAQ - probably
  • Wolfram (works, ROOT too slow and will be addressed during upcoming run preparations (select function, control worls bit by EB ???))


  • Lecroy repairs, sy527 AC connectors replacement (will Chris)
  • PrPMC880 replacement
  • Frost preparations: all power turned on including DC FASTBUS crates, ethernet/serial cables ran for target platform;

Carl still working on ET modifications, tests to be started dayli, new version expected in about a week, we'll wait, do modifications and then run full CLAS DAQ test; new EPICS channels from target

TODO:

  • sy1527: reboot button, reconnect after hardware reboot
  • sy527 support (similar to sy1527 but in VME crate because of VME CAENAT board v288)
  • v1190/v1290 extensive testing (CBLT, slot#, install mv6100 in the hall and switch to 2eSST)
  • DVCS Trigger Development
  • Hall B electronics inventarization
  • Upcoming run preparations on requests (fix flip-related problem in online delay reporting correction procedure, ..)
  • beam test with preshower during upcoming run - will talk next week Stepan


  • probably Hall D test in Hall B - next summer
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