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SPD DCS and PS system Status Report D. Elia, A. Dalessandro (INFN-Bari)

SPD DCS and PS system Status Report D. Elia, A. Dalessandro (INFN-Bari). Overview of current status (I). 1) CAEN SY1527 Complete control of the HV channels (A1519) Tested during the last year test beam Panels and project available!! WIENER PL500 Complete control of the LV PS

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SPD DCS and PS system Status Report D. Elia, A. Dalessandro (INFN-Bari)

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  1. SPD DCS and PS system Status Report D. Elia, A. Dalessandro (INFN-Bari) ALICE week / DCS workshop - March 15, 2004

  2. Overview of current status (I) • 1) CAEN SY1527 • Complete control of the HV channels (A1519) • Tested during the last year test beam • Panels and project available!! • WIENER PL500 • Complete control of the LV PS • Panels and project available!! • 3) ELMB: T-sensors and Voltage Regulator board • Monitoring of VR on/off and OVC, V, I and T. • Panels and project available!! • NEXT STEPS: • GROUP EVERYTHING INTO A UNIQUE PVSS PROJECT • FSM ALICE week / DCS workshop - March 15, 2004

  3. TESTED DURING LAST TEST-BEAM on OCT_03 LV PART IMPLEMENTED ON JAN_04 and EXPECTED TO BE USED during NEXT TB Overview of current status (II) CAEN SY1527 TCP/IP HV power line PVSS Half Stave LV power line PS-VR_B link CANbus WIENER PL500 CANbus LV power line Pt-1000 ELMB A-D I/O bus Voltage Regulators Board ALICE week / DCS workshop - March 15, 2004

  4. SPD DCS panel structure SPD control panel layout: - hierarchical structure - standard numbering convention - alarm status overview on the full detector CONTROL WITHIN PVSS ALREADY IMPLEMENTED FOR: 1)HV: CAEN crate SY1527 with A1519 HV-board 2) LV: WIENER PL500 3) VR monitoring and control: ELMB ALICE week / DCS workshop - March 15, 2004

  5. HV in 2003 test beam The current resolution for HV Channels is µA Implementation Main Panel HV Channel control Panels HV Channel CURRENT TREND Panel Data extraction ALICE week / DCS workshop - March 15, 2004

  6. Developments for LV Elements • WIENER PL500 ok framework used with important Oliver Holme advice • ELMB + CANopen OPC server ok Leonid Vinogradov help and Fernando Valera Advice • KVASER card ok • Slic OPC ok Mark Beharrell feedback • PT 1000 ok Leonid Vinogradov help • VR board ok Michele Caselle developments LV segmentation WIENER PL500 + Voltage Regulators Board controlled through ELMB that supplies 1 Half Sector = 6 Half Staves (6 ch. VDD + 6 ch. VMCM) 1ch WIENER PL500 To PVSS through CANbus ELMB ALICE week / DCS workshop - March 15, 2004

  7. LV PS control panel WIENER PL500 panel Two channels implemented No ON/OFF overshoots ALICE week / DCS workshop - March 15, 2004

  8. VR control board • Features of the MCM and FEE voltage regulator control board: • ON/OFF (inhibit) • OVC flag • Current limit • Voltage and current monitoring • Control signals photo-insulated from VR ground • No additional power supply required • Control and Read-out (dedicated software developed) via ELMB in PVSS framework • Voltage regulator under test: Linear TECHNOLOGY 1581 CT7, 10A ALICE week / DCS workshop - March 15, 2004

  9. 1.8 V 4.0 V BUS INHIBIT (ON/OFF) OVC Control V,I,T Monitoring GND MCM INHIBIT (ON/OFF) OVC Control V,I,T Monitoring 2.5 V Half Stave OVC Inhibit V,I and T Digital Input for INHIBIT (On-OFF) Digital Output for OVC Signal V,I and T Monitoring Digital Outputs Digital Inputs Analog Inputs (insul. ground) ELMB MUX PVSS 16 bit ADC CanBus VR control system Power Supply (4.5V) Voltage Regulator (BUS) 30m Voltage Regulator (MCM) 10 m Voltage regulator Board ALICE week / DCS workshop - March 15, 2004

  10. VR control implementation ALICE week / DCS workshop - March 15, 2004

  11. Temperature monitoring SETUP Components: 1) ELMB from ATLAS 2) CANopen OPC server properly customized 3) PVSS v. 2.12.1 with framework 1.2.3 and components v. 1.2.8 with ELMB components v.1.0 3) PT1000 implemented with Celsius Conversion It is AVAILABLE a technical report: “The Pt1000 and ELMB - based temperature Monitoring Systemof the ALICE Pixel Detector Assembling Facility at INFN-Bari“ Screenshot taken during a test: the trend in red follows any temperature variation detected by the sensor PT1000 ALICE week / DCS workshop - March 15, 2004

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