SSD Safety Review Sept 3 rd 2002 SSD

SSD Safety Review, Sept. 3 rd 2002

SSD documentation web page http: //star. in 2 p 3. fr/STAR_technique/Summer 2002. html SSD documentation web page SSD Safety Review, Sept. 3 rd 2002

SSD overview SSD : 4 th layer of vertex detector SSD Safety Review, Sept. 3 rd 2002

SSD Barrel : Overview Ø= 460 mm r = 20 m z = 740 m 20 ladders 320 2 D Si strips 491520 channels | |< Readout = 7. 8 ms 1. 2 SSD Safety Review, Sept. 3 rd 2002

SSD Ladder : Overview SSD Safety Review, Sept. 3 rd 2002

Ladder material Module Ladder * Upper part Inside Deflector Inside stiffener Carbon epoxy fiber Deflector Carbon epoxy fiber Glue Araldite 2013 Stiffener Carbon epoxy fiber Araldite 2013 Base C 2 D 2 board support Glass epoxy fiber Wings Carbon epoxy fiber Central part Kapton ADC board support Carbon epoxy fiber/ Glass epoxy fiber Araldite 2013 Glue Boards Cables Cooling Araldite 2013 ADC board Glass epoxy fiber/Copper/ Standard electronic components and connectors C 2 D 2 board Glass epoxy fiber /Copper / Kapton / Standard electronic components and connectors Bottom Insulation foam PVC Module to C 2 D 2 cable Kapton/Aluminum ADC to ADC cable ADC to C 2 D 2 cables Connectors Shielding PVC/Copper Polyacetal Mylar SSD Safety Review, Sept. 3 rd 2002

SSD Module Silicon Wafer TAB Hybrid Circuit SSD Safety Review, Sept. 3 rd 2002

Module material Silicon Wafer Hybrid Flexible circuit Printed circuit A 128 C chip Costar chip Passive components Kapton/Copper chip Silicon A 128 C glue Silver silled epoxy paste H 20 E chip Silicon Chip coat Namics G 8345 (epoxy based) wire bonding Aluminum SMD components Glue Stiffener TAB Silver silled epoxy paste H 20 E Stiffener Carbon fiber/Epoxy Pins Aluminum Glue Epoxy Araldite 2014 Glue (flex on stiffener) Epoxy Araldite 2014 TAB Kapton/Copper Chip coat Namics G 8345 (epoxy based) Silicon RTV 162 Glue (wafer on hybrid) SSD Safety Review, Sept. 3 rd 2002

Ladder view SSD Safety Review, Sept. 3 rd 2002

End of the ladder SSD Safety Review, Sept. 3 rd 2002

Middle of the ladder SSD Safety Review, Sept. 3 rd 2002

Readout chain 10 ADC boards Readout board 30 MHz BLVDS bus shielded cable (2 m) Ribbon cable (1 m) SSD Safety Review, Sept. 3 rd 2002 3 MHz on a ladder

Readout board • Interface of the barrel to : • Slow control • Trigger • Daq • Located on the TPC wheel • Power dissipation : < 20 W • Air cooled SSD Safety Review, Sept. 3 rd 2002

Location of the readout board SSD Safety Review, Sept. 3 rd 2002

Overview of SSD slow control and power supply system SSD Safety Review, Sept. 3 rd 2002

First ladder : power supply 4 amperes fuse SSD Safety Review, Sept. 3 rd 2002

Caen power supply • SY 527 : – Universal Multichannel Power Supply System (CAEN | Nuclear Physics | SY 527) • A 515 : – 16 Channel Floating 100 V/200 µA Board (CAEN | Nuclear Physics | A 515) • A 516 : – 8 Channel Floating 12 V/1. 5 A Board (CAEN | Nuclear Physics | A 516) • A 525 : – 8 Channel Floating 4 V/3 A Board (CAEN | Nuclear Physics | A 525) SSD Safety Review, Sept. 3 rd 2002

Lambda Power Supply characteristics • JWS 300 -12 : Vmax= 12 V, Imax= 27 A • Safety approval UL 1950 • http: //www. lambdapower. com/ftp/Specs/jws. SSD Safety Review, Sept. 3 rd 2002

Cables characteristics on the cones Cable name AWG Operati ng current Operating Voltage Manufacturer & part numb. material Voltage rating Operating Temperature Flammability rating Power cables low volt. side 20 2 A 5 V Alcatel Lyflex PVC Copper 500 V -10 C to +60 C NF C 32 -070 C 2 CEI 332 -1 Power cables high volt. side 20 2 A 35 V Alcatel Lyflex PVC Copper 500 V -10 C to +60 C NF C 32 -070 C 2 CEI 332 -1 Sense cables low volt. side 24 0 A 5 V Alpha wire 5599/5 PVC Copper Aluminium 300 V -20 C to +80 C UL VW 1 Sense cables high volt. side 24 0 A 35 V Alpha wire 5599/5 PVC Copper Aluminium 300 V -20 C to +80 C UL VW 1 Signal & power cable 28 300 m. A 0 -5 V 3 M KU-KM PVV-SB PVC Copper 300 V -20 C to +60 C UL VW 1 High voltage cable 24 1 m. A 0 -50 V Alpha wire 5092 PVC Copper 300 V -20 C to +80 C UL VW 1 SSD Safety Review, Sept. 3 rd 2002

Characteristics of the connectors on the cone Taitek : power cable and HV cable – – – number of pins housing material : temperature rating : flammability rating : Voltage rating current rating 8 Nylon -40 C to +105 C UL 94 V-2 AC 250 V rms 5 A FCI : sense cable – – – number of pins : temperature rating flammability rating voltage rating current rating 6, double row -55 C to +125 C UL 94 V-0 AC 1000 V rms 3 A AMP : M series 14 position – – – housings material : temperature rating : flammability rating : voltage rating : current rating : phenolic -55 C to +150 C UL 94 V-0 AC 900 V, rms 13 A SSD Safety Review, Sept. 3 rd 2002

Characteristics of the cables from the platform to the TPC wheel Cables Nb co nd A W G Manufacturer Part Number Material Operating Current Operating Voltage/ current Rating Temperature Rating Flammability Rating Inside Rack Low & High Voltage 27 22 HELUKABEL Li. Y-CY 20070 Copper PVC LV : 1 A HV : 1 m. A LV: 5 V HV : 35 V 300 V / ? -30°C 105°C IEC 332 -1 Readout board power supply 12 16 Hi-Flex-CY Copper PVC 2 A 5 V 300 V / ? -30°C 70°C IEC 332 -1 Ladder power supply 12 16 Belden 8622 Copper PVC LV : 2 A HV : 1 m. A LV : 5 V HV : 35 V 600 V / 2 A 80°C UL 1581 VW 1 Ladder power Sense 8 22 Belden 9421 Copper PVC - 35 V 300 V / 2 A 80°C CSA FT 4 Control 27 22 HELUKABEL Li. Y-CY 20070 Copper PVC - 5 V 300 V/ ? -30°C 80°C IEC 332 -1 Trigger 20 24 Belden 8170 Copper PVC - 5 V 300 V / 1 A 60°C UL 1581 SSD Safety Review, Sept. 3 rd 2002

Characteristics of the connectors Cable / Location Manufacturer Part Number Material Operating Current Operating Voltage Rating Temperature Rating Flammability Rating Inside Rack Cable Low Voltage RKLVxx PS, Distr Crate Amphenol 777 -RR-B 25 P glass-filled thermoplastic 2 A 5 V 500 V -55°C 105°C ULV 94 V-0 Inside Rack Panel Low Voltage RKLVxx PS, Distr Crate Amphenol 177 -RR-B 25 S glass-filled thermoplastic 2 A 5 V 500 V -55°C 105°C ULV 94 V-0 Inside Rack Cable High Voltage RKHVxx PS, Distr Crate Amphenol 777 -RR-C 37 P glass-filled thermoplastic 1 m. A 35 V 500 V -55°C 105°C ULV 94 V-0 Inside Rack Panel High Voltage RKHVxx PS, Distr Crate Amphenol 177 -RR-C 37 S glass-filled thermoplastic 1 m. A 35 V 500 V -55°C 105°C ULV 94 V-0 Inside Rack Panel Mixed Voltage FMVxx, SMVx x Rack AMP CPC 206838 -1 glass-filled thermoplastic 2 A 35 V 1500 V -55°C 105°C ULV 94 V-0 Cable Mixed Voltage FMVxx, SMVx x TPC Wheel AMP CPC 206837 -1 glass-filled thermoplastic 2 A 35 V 1500 V -55°C 105°C ULV 94 V-0 SSD Safety Review, Sept. 3 rd 2002

SSD cooling system : principle For the 1 st year, the incoming air will be taken at the end of the cone using an air hose dedicated the an other ladder to simplify the shielding SSD Safety Review, Sept. 3 rd 2002

SSD Cooling system : First Ladder 19 o. C 30. 7 o. C 24. 5 o. C 3 W 33. 2 o. C 33. 7 o. C 25. 1 o. C 27. 6 o. C 3 W 30. 9 o. C 10 W 27. 8 o. C 33. 1 o. C SSD Safety Review, Sept. 3 rd 2002 29 o. C

SSD cooling system : inside STAR Temperature of the Readout board • With cooling : 60 °C • Without cooling : 70°C Noise level of transvector • 85 d. B at 0. 5 m • 75 d. B at 3 m SSD Safety Review, Sept. 3 rd 2002

SSD Cooling system : outside STAR On the wall On the pole tips SSD Safety Review, Sept. 3 rd 2002

Interlocks 24 V generated by OMRON 24 V 100 W, UL 508 (listing)/1950 http: //www. omron-ap. com/index_productpage/s 82 k. htm SSD Safety Review, Sept. 3 rd 2002

Ladder installation • The ladder and the SSD shield installation – At = -45° when looking East to West – Dedicated brackets to install/hold the ladder on the cone and to hold the shield rings – Simple brackets at = 45°, 135° and -135° to hold the shield rings SSD Safety Review, Sept. 3 rd 2002

Ladder installation The ladder The daisy-chaining cable and its supports The brackets on the cone The shield ring SSD Safety Review, Sept. 3 rd 2002

Ladder installation SSD brackets SSD Safety Review, Sept. 3 rd 2002

Material of ladder support and daisy chain cable Ensemble Element Ladder support Sigma pieces Aluminum Intermediate brackets Aluminum Bearings Shield rings Daisy-chaining cable Manufacturer Igus Product Id KSTM Material Polymer (iglide L 280 / igulen G 2) Brackets Glass fiber Rings Glass fiber Supporting rods Carbon fiber Standards UL 94 HB SCSI Cable 3 M 3749/68 Copper / Thermoplastic Elastomer UL E 42769/20297 Connectors 3 M 82068 -6006 Copper / Glass Filled Polyester UL 94 V-0 3 M 81068 -600203 Copper / Liquid Crystal Polyester UL 94 V-0 Harting 60060685440 Copper / Glass Filled Polyester UL 94 V-0 SSD Safety Review, Sept. 3 rd 2002

Installation Schedule • • • Power supply : August 2002 Slow control : August 2002 DAQ : Mini. DAQ installed August 2002 Trigger : with Mini. DAQ August 2002 Ladder on the cone : September 2002 Readout board : September 2002 A test will be performed • Cooling system : October 2002 Final Test October/November 2002 SSD Safety Review, Sept. 3 rd 2002