NA 62 Vacuum control commissioning and alarms system

NA 62 Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 1

Overview q Corrective measures during TS q Cabling & Esthetic q Membrane gauges q New alarms and interlocks implemented q General synoptic q Alarms from clients q Alarms to clients q Interlocks q Commissioning Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 2

Corrective measures during TS: Cabling & Esthetic Equipment: ü 8 x Control racks ü 7 x Cryo-pumps ü 6 x VPGs ü 4 x Profibus local boxes ü 2 x Valve simulator boxes Manpower ü 3 people (FSU) ü ~200 h 2 Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC 3

Corrective measures during TS: Membrane gauges Membranes gauges with radiation tolerance were installed in sectors 2, 3 and 4 with the unusual voltage supply of ± 13. 5 VDC The below electronic crate was designed in order to adapt the supply coming from the PLC crate: 24 VDC / ± 13. 5 VDC VED-141205(DC_DC_converter_chassis_for_gauges) 3 Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 4

New alarms and Interlocks implemented: General synoptic From clients To clients Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 5

New alarms and Interlocks implemented: Alarms from clients NA 62. Di. Enable. Pump. S 2 S 3: BAD OK NA 62. Di. Enable. Pump. S 2 S 3: If not rupture in CEDAR window VVRs = OK If rupture in CEDAR window VVRs = FULL INTERLOCK CEDARWINDOW: BAD OK Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 6

New alarms and Interlocks implemented: Alarms from clients NA 62. Di. Enable. Vent. S 2 S 3: BAD OK NA 62. Di. Enable. Vent. S 2 S 3: If CEDAR not ATM VV SIM = FULL INTERLOCK Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC CEDAR at at ATM: BAD OK CEDAR Jun 11, 2015 If CEDAR at ATM VV SIM = OK 7

New alarms and Interlocks implemented: Alarms to clients Output Digital Alarms Description Upper Threshold Lower Threshold NA 62. Do. Alr. S 2 S 3 Vac. Ok Enable Inside CEDAR pumping (if S 2 and S 3 are under vacuum) 1 mbar NA 62. Do. Alr. S 3 S 4 Vac. Ok Enable GTK cooling (if S 3 and S 4 are under vacuum) 1 mbar NA 62. Do. Alr. S 5 Hv. Ok Enable High Voltage on LAV (if S 5 atmosphere or under high vacuum) 1099 / 8. 5 e-4 mbar 900 / 8. 1 e-4 mbar NA 62. Do. Alr. S 5 Rich. Ok Enable Inside RICH pumping (if S 5 is under vacuum) Na 62. Do. Alr. S 7 Hv. Ok Enable High Voltage on SAC (if S 7 atmosphere or under high vacuum) 1099 / 1 e-4 mbar 10 mbar 900 / 1 e-4 mbar [NA 62]HW_Alarms(Prod. Vers) Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 8

New alarms and Interlocks implemented: Interlocks RACK: VAC-06 VVS ITL 1 e-1. 5 mbar To protect the LKr Calorimeter against over pressure: ü 2 new interlocks implemented (previous and before valves) ü Designing of specific control crate to interlock VP 3 VAT_VP 3 VED-141114(Chassis VP-3 adapted for TPG_ITL) VAT_VP 3 ü Dedicated UPS crate supplying TPG 300 and VP 3 ü Pumping groups connected to UPS strip socket ü SMS and email notifications in case of VPG or VVR error or switch off (e. g. Power cut) Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 9

Commissioning In order to assure the correct functionality of the control system a careful commissioning is being carried out: ü Checking the behavior of all the equipment after re-cabling ü Testing alarms with the clients ü Testing interlocks with vacuum operators ü Following the pressure measure during the pump down Special thanks to Jeremy, Philippe and Khalid for the great work done Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 10

Thanks for your attention!! Vacuum control commissioning and alarms system Abel Gutierrez CERN TE-VSC Jun 11, 2015 11