What to do When: killing and restarting Fast Clear

• The Fast Clear WTDW
• FCLR Photos racks, and details: crates, boards
• Who's Who in FCLR: The Fast Clear Experts list
• For FCLR Experts ONLY, the Expert WTDW.

FCLR Online & DQM

• DQM Status NOW
• Old runs
• Run List
• .. FCLR Online page

How to use FCLR information in your analysis

• The FCLR information already accessible to your EAZE job.
• Details of the FCLR Zgana simulation
• Beamgas bit instructions

Calorimeter First Level Trigger

• Locating noisy CFLT towers (PS)
• Loading fake data in the CFLT
• The home page

So, what does Fast Clear do, anyway? (An excerpt from the ZEUS Bluebook.) Und, eine kurze Erklärung auf Deutsch (postscript)

Software Documentation:

• Online:

  • Introduction to the software.
  • Version Information including instructions on changing version numbers
  • Readout (transputer/OCCAM code):
    • An overview of the OCCAM code.
    • The transputer network.
    • Postscript version of the transputer network diagram.
    • A look into our new Unix based occam environment.
  • FC Run Control (FCC/ Fortran code -> C code):
    Misc. notes (Under development)
  • A technical discussion of the FCLR Daemon.
    • Please refer to the section on daemon commands in the Expert WTDW for actual day-to-day use of the daemon.
  • Software versions and a look at the Future Plans of the Online Fast Clear

• Offline:

  FCLR Simulation (ZGANA):

  FLSFC Documentation (PS)

  FLSFC file location and analysis utilities

  FC ztrig Ntuple documentaion
  FCLR ADAMO Tables:

  • The Subschema FC official description.
  • GFLT output :O1evnt table
  • How to use FC tables :Code example

Hardware Documentation:

• Introduction to the Hardware.
  • Or see the Fast Clear Photo Collection, and new photos (Caution: may take a while to download)
• Diagnostic Routines -- Documentation:
  Under Development
• Format of data in FCLR FIFO (FCFIF2 table):
  1. since april 2001 (pdf);
  2. january 1998 (pdf);
  3. april 1994 (pdf);
• Processor Card cluster summary data order
• Hardware Programmers Manual:
  Postscript of the cover page
  CAL address coding scheme (PS)
  Controller instructions (PS)
  Processor address space (PS and PS of Blank Tables)
  VME syntax (PS)
  VME address space (PS and PS of Blank Tables)
  common VME sequences (PS)
  VME address coding scheme and assignments (PS)

• FCLR scale fix (Postscript)
• FCAL map (Postscript)
• FCAL/RCAL input shift registers (Postscript)
• State Tables (all Postscript):
  • trigger card
  • LCA 0, LCA 1, LCA 2
  • writing the FIFO
  • BCTRL decode definitions
  • PCTRL decode definitions
  • LCA control signals reverse decode
  • Trigger bit comparison description
• collection of hardware reference information

References:

• Zeus Notes:
  • 88-073 15/07/88 pdf A (fast) cluster finding algorithm for the ZEUS Calorimeter, S. de Jong
  • 89-087 22/05/89 pdf Monte Carlo Studies of the Level 2 Fast Calorimeter Trigger B. Bylsma et al.
  • 89-072 15/10/89 pdf The Fast Clear System for ZEUS Trigger C.J. Rush, B. Bylsma, S.K. Park and R. Seidlein
  • 89-061 05/06/89 pdf Timing Simulation of the Calorimeter Fast Clear B.G. Bylsma
  • 90-032 12/03/90 pdf An Analysis of the Fast Clear Operation T. Massam
  • 92-003 03/06/91 pdf Protocols for Fast Clear Data Transfer to Event Builder and G.S.L.T. (version 2.1) Sung Park and Chuck Rush
  • 93-070 08/07/93 pdf A Fast Cluster Finding Processor for the ZEUS Calorimeter B. Bylsma et al.
  • 96-115 21/11/96 ps A Fast Cluster Finding Processor for the ZEUS Detector P.A. Nylander

• Paper:
  • Nucl. Instrum. Methods A337, 512 (1994) pdf A Fast Cluster Finding Processor for the ZEUS Calorimeter B.G. Bylsma et al.

• Presentations:
  • American Physical Society DPF Meeting, August 1996 , WWW page P.A. Nylander
  • ZEUS Monday Meeting Sep.1997, ps, C.L. Kim

NB: means this is available only to ZEUS collaboration members.

Obsolete: How to do ONLINE DQM using Presenter

• What I have to look at on Presenter? ( for DEPUTY ) .
• How to update Presenter Histograms and automatic DQM? ( for EXPERT)
• How online zgana, simCFLT, works? ( for EXPERT)