Front-end - DAQ - Controls workshop at CERN, May 16 - 19 (Entire LHCb
collaboration)
From: Jorgen.Christiansen@cern.ch
Date: 5/4/00
Time: 12:07:08 PM
Remote Name: 137.138.142.33
Remote User:
Comments
Dear LHCb colleagues
As published some weeks ago, we will have a front-end - DAQ - controls
workshop at CERN from Tuesday, May 15 at 14:00 to Friday, May 19 at 12:00.
The workshop starts Tuesday at 14:00 to enable people to arrive Tuesday morning
and finishes friday at noon to enable people to return home friday afternoon.
The general outline of the workshop is planned to be quite similar
to our workshop last year. Informal discussions of the different subjects
are encouraged to enable us to get a good overview of all the potential
problems in the different parts of the experiment. Each sub-detector group
should send experts working in the different subjects and their specific
requirements/problems should be identified the best possible beforehand.
Tuesday, May 16, afternoon: Front-end
Wednesday, May 17: Front-end
Thursday, May 18: TFC - DAQ - Controls
Friday, May 19, morning: Workshop summary and AOB.
A first preliminary agenda of the workshop is given below (please comment).
Any volunteers to make presentations of specific problems/solutions in
sub-detectors in any of the given subjects are most welcome ! (just
send us an Email). If specific problems in sub-detectors are known
it is recommended to prepare an overhead or two of the problem to be
shown during discussions.
----------------------------------------------------------
===================== FRONT-END ======================
----------------------------------------------------------
Organizer: Jorgen Christiansen
Tuesday afternoon: 14:00 - 18:00, Room 160 - 1 - 009
Radiation environment
Radiation level estimates G. Holtey/V. Talanov (TBC) 20'
Location of electronics Daniel Lacarrere (TBC) 15'
Qualification of electronics Jorgen Christiansen 20'
Discussion All 30'
Access to electronics in cavern and detectors
Access procedure, Access periods Hans Jurgen Hilke 20'
Discussion (Reliability/redundancy) All 20'
Power supplies
Standardization, location, radiation Jorgen Christiansen 20'
Magnetic stray fields in cavern Wilfried Flegel (TBC) 20'
Discussion All
20'
Grounding:
Vertex detector (grounding, copper links, etc.) Raymond Frei 20'
Discussion All 20'
Wednesday morning: 9:00 - 13:00, Room 104 - RB - 09 Front-end error conditions
Overview (sources, propagation,rates, recovery) Jorgen Christiansen 20'
Discussion All 30' Resets Physics loss related to resets Hans Dijkstra 20' Reset
types, reset scenarios Jorgen Christiansen 20' Discussion (agreement required
now) All 30' Synchronization: Standard bunch collision synchronization Jorgen
Christiansen 20' Board to board synchronization Dominique Breton (TBC) 20'
Discussion (special problems: Muon, OT, etc.) All 20' Wednesday afternoon: 14:00
- 18:00, Room 160 - 1 - 009 L1 buffer Buffer size requirements Hans
Dijkstra/Volker Lindenstruth 20' Discussion (cost, expandability, etc.) All 20'
Interface to trigger systems: Data from trigger systems Hans Dijkstra 15'
Monitoring trigger systems Hans Dijkstra 15' Discussion All 20'
Front-end multiplexing Functions + Link technology/protocol Francios Bal/Hans
Muller 20' Discussion (Rates, distances, etc.) All 20'
---------------------------------------------------------- =====================
DAQ ======================
---------------------------------------------------------- Organizer: Beat Jost
Thursday morning: 9:00 - 13:00, Room 160 - 1 - 009 TFC (timing and fast control)
Status/Partitioning: Beat Jost 20' Requirements to readout supervisor Richard
Jacobsson 20' Discussion All 20' Throttling Infrastructure, dead time,
monitoring Beat Jost 30' Discussion All 30'
Readout unit Data formatting, error handling, performance Hans muller 30'
Discussion All 20' ----------------------------------------------------------
===================== CONTROLS ======================
---------------------------------------------------------- Organizer: Clara
Gaspar Thursday afternoon: 14:00 - 18:00, Room 160 - 1 - 009 Vertex detector
control: Motors, Vacuum, Cooling, LHC machine interface Massi Ferro-Luzzi 20'
Control requirements from sub-detectors Summary Clara Gaspar / Andre Augustinus
30' Discussion All 30' Chip level controls Control system for CMS tracker Beat
Jost 30' Long distance I2C/JTAG Jorgen Christiansen 5' Discussion All 20' Board
level controls Credit card PC's/local control bus Beat Jost 30' Firewire Geneva
Engineering school (TBC) 10' Discussion All 20' General ECS infrastructure Clara
Gaspar 30' ----------------------------------------------------------
===================== SUMMARY ======================
---------------------------------------------------------- Organizer: Beat +
Clara + Jorgen Friday morning: 9:00 - 13:00, Room 160 - 1 - 009 General summary
and conclusions with on-line discussions Summary of Front-end Jorgen
christiansen 60' Summary of DAQ: Beat Jost 60' Summary of controls: Clara Gaspar
60'
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