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Monitoring and Development Activities in DCS: HV System and User Requirements (April - August)

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This report summarizes the activities of the DCS from April to August, focusing on the LAV storage area temperature monitoring system, user requirements, and high-voltage systems, including participation in tender preparation. Key topics addressed include hierarchical control models, system behavior during data acquisition, and the integration of hardware for measurement systems. A users meeting provided insights into requirements, while ongoing evaluations of operational policies were discussed. The report also highlights the development of control solutions and the upcoming integration of hardware for technical runs.

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Monitoring and Development Activities in DCS: HV System and User Requirements (April - August)

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  1. DCS WG report FV

  2. DCS activities (April – August) • LAV storage area temperature monitoring system • Photo (Valeri) • Last Screenshot (Jonas) • HV system – participation in tender preparation • User Requirements • Definition of Hierarchical Control and detector operation models. Twooptions are under evaluation. • LHC like • NA48 like • Users survey concerning of 2 special cases of system behavior during data taking: • Should we allow an automatic HV channel trip recovery (YES with parameterization) • Should we allow playing with individual HV(LV) channel (YES with special flag) • Strong appeal for general policy • User Interface • Study of other experiments examples (CMS, COMPASS). Other will come soon. • Generic HV channel panels (screenshot: Roman) • Sub-detector URD. RICH use case • First DCS users meeting (yesterday) VF

  3. DCS activities (April – August) ORACLE DB CS-CCR-PVSS5 data server KONTRON front-end PC CAN branch power supply PLC based digital I/O ELMB based antilog signals reading VME based CPU: DIM server SY2527 27 transceivers PS’s 4 preamplifiers PS’s 64 regulator boards: about 500 channels in total Custom made HV system ... • LKr High and Low voltage vertical slice • Intro: already existing hardware (photos - Valeri) • General view: VF

  4. DCS roadmap • June 2011 – LKr calorimeter vertical slice • Main goal: First vertical slice from sensors to user interface panels • Hardware • Transceiver and Preamplifier power supplies (ELMB + PLC) • HV system: CAEN SY2527 with A1832P board + Custom HV electronics (VME processor + DIM) • Software • LKr HV system DIM implementation with In_beam/Out_of_beam reading • ELMB + PLC combined objects (LKR LV system) • Prototype of FSM + operation models • Integration of LKr cryogenic control system information • Middle of October 2011 – Integration run • Main goals: First attempt of external contribution integration. Assessment of CPU power. • Hardware • LKr (~ 600 channels) • 3 ISEG HV power supplies with a few loaded channels (~750 channels) • STRAW tracker hardware (1 module ~ 500 channels) • RICH HV system with a few loaded channels (500 channels) • About 1250 channels in total – ¼ of full system • Sergey Sergeev should come at least 2 weeks in advance VF

  5. DCS roadmap - 2 • April 2012 – Full scale test run • Main goal: Validation of all control solutions and confirmation of CPU power. • Hardware : all detectors participating in Technical Run • 7-8 (10 (or 9) ) LAV stations: HV + some FE crates • 2-3 (3 or 4 ) STRAW tracker modules: HV+LV+ELMBs • MUV (full system): HV + ELMBs • CEDAR (full system): HV + FE crate (NINO)?+ ELMBs + cooling system? • CHOD (existing NA48)? • 50-70% of hardware participating in TR • Software • Final version of everything including FE control and crates • Can we integrate vacuum information ? • External development (and developers) should be available 2-3 weeks in advance VF

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