Jan Królikowski Warsaw University

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Presentation transcript:

Jan Królikowski Warsaw University CMS Annual Review 2003 PACT - the RPC Muon Trigger Bari-Helsinki-Laapperanta-Warsaw Jan Królikowski Warsaw University

PACT tasks Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

PACT ESR The Electronics System Review of the PACT Muon Trigger was held on July, 8th, 2003 in Warsaw. The extensive documentation prepared for this review can be found at :http://hep.fuw.edu.pl/cms/esr/. This documentation reflects the present status of the project. Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Outline PACT layout Progress since 2002 / Open issues Link system Counting room electronics Cost, schedule and milestones Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Coverage of initial system 4 stations up to ~ 1.24 ; 3 up to ~1.6 Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

PACT electronics: layout and main components Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

PACT inventory Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Progress since 2002 Overall organization of the project UXC55 electronics: progress in the Link System prototypes and design. Now entering preparation of production phase. Firming up of the LB boxes installation plans. UCS55 electronics: progress in PAC algorithms and FPGA implementation of 4/6 plane algorithms, VHDL codes for many compnents (sorters, GhostBusters) developed and tested, New Sorter Crate architechture Overall organization of the project New division of tasks between Bari/ Laapperanta/ Warsaw Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

UXC55 electronics Progress in the Link system Link Board + Control Board + Optical Link: prototypes succesfully tested in the LHC-like beam in May 2003 Monitoring of the RPC performance and test pulses – succesfully tested as well. Powerful diagnostic tools installed on the LB Setting up of the RPC FEB parameters via I2C still to be tested. Radiation tests of FPGAs and FLASH memories Reloading of FPGAs on the LB every 4-10 minutes is sufficient Integration and installation issuses: constant progress Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

LB functionalities Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

LB RE1/1 prototype 2003 Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Tested functionalities of Link System Synchronization of signals from chambers Histogram of signals in synchronization window Histogram of all signals from chambers Histogram “bx history” “Snapshots” Test pulses TTCrx signals distribution LB FPGAs loading from CB CCU and VME interfaces Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Tested functionalities of Link System Synchronization of signals from chambers Histogram of signals in synchronization window Histogram of all signals from chambers Histogram “bx history” “Snapshots” Test pulses TTCrx signals distribution LB FPGAs loading from CB CCU and VME interfaces Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Test Pulses Sharpness of the Synchronization Window Test pulse directly connected to input channel with short (~5cm) cable Test pulse Synchronization window widow open widow close The sharpness of the synchronization window edge is ~0.3 ns (one channel) Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Test Pulses Input Channels Skew One test pulse directly connected to each input channel Found the source of the problem: big skew between input channels (~1ns) Reason: differences in paths lengths on the PCB After fixing the paths lengths the skew should be reduced to ~0.4ns Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

The „bx history” histogram - train of 48 bx’s with muons Beam tests Histograms The muon beam profile The „bx history” histogram - train of 48 bx’s with muons Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Beam tests Window Size and Position Scans Ratio of chamber noise signals in synchronization window to all measured. The beam bunch time shape scanned with 1ns window Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Bx RB1 Channel RB2 Beam tests Snapshots Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Beam tests Snapshots, Clusters Size Distribution Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Conclusions from the LB system tests in May 2003 The histograms and snapshots work well and have proved their usefulness in testing the performance of chambers. TTCrx signals distribution, test pulses and FPGA loading work well. Optical link will be tested as soon as the quartz for the PLL is available Problems with CCU block transfer and I2C control of FEBs Solved now Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Conclusions of 2002 and 2003 radiation tests in Jyvaskyla Xilinx Spartan-IIE chips have small enough SEU in configuration bits Dynamic SEU are much less probable then SEU in configuration bits Reloading of the FPGAs every 10 minutes should guarantee that at most a few SEUs will be accumulated in all LBs FPGAs, what should not affect the system performance FLASH memories are resistant enough to radiation and will be used on final Control Boards More details http://hep.fuw.edu.pl/cms/esr/docs/RadiationTests.pdf Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

LB boxes (LBx) inventory Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

RE1/1 LB boxes – a special case Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Standard LB boxes VME crates Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Integration issues: position of LB boxes in the racks on the balconies L max= 11.5 m Cabling RE1/2 and 1/3 signals Link Board Boxes (VME crates) in Racks Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

YE-1 Racks on Towers Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Barrel cabling S.Bally Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Progress in UCS55 electronics Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

USC55 inventory Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

PAC processor – progress in the VHDL codes Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

FPGA PAC in the barrel Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

FPGA PAC in the endcaps Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

COST We are revising the PACT CORE cost estimate. At present, the CORE costs are 3750 kCHF, while our starting estimate in 1997 was 3695 kCHF. This cost estimate is for the full trigger system up to eta=2.1 but without RE5. Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Financing: COST contd. TOTAL 3180 kCHF Finland 1020 kCHF Poland 2060 kCHF Bari 100 kCHF TOTAL 3180 kCHF + Korea 400 kCHF ? Almost enough for up to eta=1.6 Conclusion: either design a cheaper system or stage and hope for extra funding. Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Main cost uncertainties/ drivers: COST contd. Main cost uncertainties/ drivers: PAC FPGAs – assumed 300 CHF/pc, total amount for PAC FPGA 345 kCHF, present cost of SPARTAN ALTERAs are higher. Splitter system – assumed 1000 CHF/ TB, total amount for splitters 108 kCHF. The cost drivers are opto receivers (on the TB as well as on Splitter Bds) / opto transmitters. Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Staging and Cost Saving First approximation for the strategy for PACT electronics construction: Order elements for LB system for existing RPCs (up to eta=1.6, w/o RE5) and RE11 (difficulties in latter installation of LBx there). Order elements and assembly Splitter System only for existing RPCs. Order elements and assembly TB w/o PAC FPGAs for the complete system. Order PAC FPGAs for towers up to eta=1.6 If not out of money order more FPGAs/ Links. Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Schedule defined Nov. ‘02 Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

LB project schedule Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Splitter schedule 2002 2003 2004 Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

TB- TC- Integration schedule Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Milestones defined Nov. ‘02 Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Manpower Warsaw: electronics engineers + WUT students 2.5 + 2 (FTE) PhD students 1.5 Technicians 1.5 Programmers 0.8 Finland: Bari: Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003

Conclusions COST: SCHEDULE: MANPOWER: Almost within estimates from 1997 Still substantial uncertainties ( 10 %, maybe even up to 20%?) but firming up SCHEDULE: Tight Critical path: LB mechanics, splitters, trigger board MANPOWER: Biggest worry Recently more help from Finland (LB production and Splitters) Warsaw manpower sufficient for USC55 electronics - TB/ ROB/TC Bari: suficient for Sorter Crate Jan Królikowski, CMS Annual Review, CERN Sept. 16, 2003