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DETECTOR COOLING PROJECT WP2 CO2 activities status report

DETECTOR COOLING PROJECT WP2 CO2 activities status report. https://espace.cern.ch/CO2/default.aspx. Jan Godlewski PH-DT-PO. Cooling plant for tests. Actual status Next steps Missing parts Tests program. Status. Test stand at cryolab Pressure test (120 bar) done

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DETECTOR COOLING PROJECT WP2 CO2 activities status report

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  1. DETECTOR COOLING PROJECTWP2 CO2 activities status report https://espace.cern.ch/CO2/default.aspx Jan Godlewski PH-DT-PO Jan Godlewski PH-DT-PO

  2. Cooling plant for tests • Actual status • Next steps • Missing parts • Tests program Jan Godlewski PH-DT-PO

  3. Status • Test stand at cryolab • Pressure test (120 bar) done • Chiller connected and tested • Sensors installed and connected to control rack • DAQ checked and debugged • Possibility of remote log-in to follow test stand function • ALICE Silicon Pixel Detector interested in CO2 activities • Claudio Bortolin and Rosario Turrisi have joined CO2 group Jan Godlewski PH-DT-PO

  4. Minutes from the last meeting Jan Godlewski PH-DT-PO

  5. P&I Jan Godlewski PH-DT-PO

  6. CO2 progress and issues on the control system From Łukasz CO2 PLC PVSS UNICOS project creation status: 1 – Excel specification preparation √2 – PLC hardware configuration √3 – PLC & PVSS instance generation √4 – Process logic program preparation √ 5 – Specific functions preparation√ 6 – Code compilation √7 – Loading to PLC √ 8 – PVSS Data Server configuration √ 9 – PVSS panels creation √10 – Commissioning & operation – began – all sensors values are archived Specification SCADA server InstanceGenerator SIEMENS PLC Logic Generator Jan Godlewski PH-DT-PO

  7. CO2 progress and issues on the control system Signal-electrical installation: 1 – Control rack completed √ 2 – Plant frame equipped with cable trays √ 2 – Signals cables in place and 90% connected √3 – Power cables in place and connected √4 – All sensors ,actuators and cables labeled √ 5– All PT100 connected with additional connector to ensure in case of failure fast sensor replacement √ From Łukasz Jan Godlewski PH-DT-PO

  8. Missing parts and things to do • Missing parts • Accumulator from NIKHEF • Hans Postema in contact with NIKHEF • We are requesting it for mid of June • Expansion valve for accumulator cooling • Should come these days • Some sensors • Valves extensions for cold running • Still to do • Installing and connecting accumulator • Installing valves extension • Insulation • Final commissioning of control system Jan Godlewski PH-DT-PO

  9. Summary • CO2 test stand • Test stand ready for “warm” operation • We are waiting for accumulator from NIKHEF • First thing to test will be ATLAS Pixel stave (first half of June) Jan Godlewski PH-DT-PO

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