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Detector Controls for the ALICE EMC

This document outlines the implementation and operational details of the Detector Controls for the ALICE Electromagnetic Calorimeter (EMC) at Creighton University. It covers the setup of PVSS software on both Windows and Linux systems, the tasks related to detector control and data acquisition, including FPGA code downloads and monitoring tasks. Key operations include initializing systems, calibrating sensors, and managing various electrical parameters. The process spans from development in March-April to integration and testing at Fermilab in Autumn.

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Detector Controls for the ALICE EMC

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  1. Detector Controls for the ALICE EMC Mike Cherney Creighton University 3 / 13 / 06

  2. PVSS Hardware at Creighton • Windows System • Running PVSS • Two Linux Systems on Private Network

  3. PVSS Software at Creighton • Have implemented PVSS on Windows • Have implemented DIM on Windows • Have implemented FSM on Windows

  4. DCS / Detector Tasks • HV Bias settings for the APD’s • Downloading Front End Electronics FPGA code • Downloading Trigger Region Unit FPGA code • Downloading ALTRO chip ADC signal processing parameters • Downloading Trigger thresholds and bad channel lists • Downloading Clock Offsets for readout • System Initialization • Calibration • LED pulse control (trigger setup, timing, amplitude, pattern) • Monitor local EMCal temperatures • Monitor voltages

  5. DCS / DAQ Tasks • Pedestal downloading • Begin run functions • Buffer clearing • Bad channel list downloading to the High Level Trigger and Data Collector • Run Header information download to Data Collector

  6. EMC [FSM] 7/3/06 PVSS II PVSS II PVSS II Control room (ACR) OPCclient DIMclient User interface Database(s) Ethernet PVSS II PVSS II PVSS II OPC client OPC client OPC client In-house server Wiener OPCserver? Wiener OPCserver? PCI-CAN PCI-CAN C C E ISEG HV Weiner LV Detector Detector Detector FEE Control Low Voltage High Voltage

  7. Finally the User Requirements Document

  8. 2006 Plans • Borrow what has already been done • Acquire Readout Board Communication from TPC • Acquire FSM material from HMPID • Development using test setup at Creighton • March, April • Development with detector at Brookhaven • May, June • Integration of what has been done at CERN • July, August • Use for test beam at Fermilab • Autumn

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