DCP 12 May 2010 Jan Godlewski PH-DT-PO1

DETECTOR COOLING PROJECTWP2 CO2 activities status report

Jan Godlewski PH-DT-PO

https://espace.cern.ch/CO2/default.aspx

DCP 12 May 2010 Jan Godlewski PH-DT-PO2

Cooling plant for tests

Actual statusActual status Next stepsNext steps Missing partsMissing parts Tests programTests program

DCP 12 May 2010 Jan Godlewski PH-DT-PO3

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

DCP 12 May 2010 Jan Godlewski PH-DT-PO4

Minutes from the last meeting

DCP 12 May 2010 Jan Godlewski PH-DT-PO5

P&I

DCP 12 May 2010 Jan Godlewski PH-DT-PO6

CO2 progress and issues on the control system

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

SCADA server

Logic Generator

Instance Generator

Specification

SIEMENS PLC

From Łukasz

DCP 12 May 2010 Jan Godlewski PH-DT-PO7

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

DCP 12 May 2010 Jan Godlewski PH-DT-PO8

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

DCP 12 May 2010 Jan Godlewski PH-DT-PO9

Summary

CO2 test standCO2 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)