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aLIGO DC Power Distribution

aLIGO DC Power Distribution. Contents. CDS Racks and Rooms. Field Satellite Racks. Racks and Rooms (RAR). Timing Master. Timing Fanout. Timing Distribution Cables. 18VDC. Front End Racks. Subsystem Electronics Racks. Field I/O Cables. DC Extension Cords. Field.

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aLIGO DC Power Distribution

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  1. aLIGO DC Power Distribution Contents

  2. CDS Racks and Rooms Field Satellite Racks Racks and Rooms (RAR) Timing Master Timing Fanout Timing Distribution Cables 18VDC Front End Racks Subsystem Electronics Racks Field I/O Cables DC Extension Cords Field Front End Computer 24VDC Front End Computer Chassis Chassis Chassis Chassis Chassis Chassis Chassis Chassis Fiber Optic Cables Chassis Chassis Chassis Chassis I/O Extension CDS Electronics Room (CER) AC Voltage DC Power Racks Mass Storage Room (MSR) Operator Control Room (OCR) Laser Diode Room (LDR) CDS Power Room (CPR) DC Extension Cables DC Power DC Power Computer Users Room (CUR) DC Power DC Power CDS Rack Installations DC Power DC Power

  3. 2feet CDS Electronics Room (CER) Each Rack is 39” Deep and 24” Wide L1-UNK-C5 L1-AOS-C1 L1-PEM-C1 L1-PSL-C1 L1-SEI-C5 L1-SEI-C6 L1-SEI-C3 L1-SEI-C4 L1-SEI-C1 L1-SEI-C2 CDS Electronics Room (CER) Rack Layout Front Front Front PEM, DAQ Rack 1 PSL Rack 1 AOS Rack 1 SEI Rack 5 SEI Rack 4 SEI Rack 2 SEI Rack 3 SEI Rack 6 SEI Rack 1 SUS ITMX, ITMY, and BS Rack 1 ISC LVEA Rack 1 SUS HAM2 Rack 2 L1-SUS-C5 L1-UNK-C4 L1-SUS-C4 L1-ISC-C1 SUS ITMX, ITMY, and BS Rack 2 ISC LVEA Rack 2 SUS HAM2 Rack 1 L1-SUS-C3 L1-SUS-C6 L1-ISC-C2 L1-UNK-C3 Front Front Front Front SUS ITM, FM, and BS Rack 2 SUS HAM5 and HAM6 Rack 1 ISC LVEA Rack 3 L1-ISC-C3 L1-SUS-C2 L1-SUS-C7 L1-UNK-C2 SUS ITM, FM, and BS Rack 1 SUS HAM5 and HAM6 Rack 2 L1-SUS-C1 L1-UNK-C1 L1-SUS-C8 2 feet

  4. << CDS Rack Installations 2feet CDS Power Room (CPR) New Transformer and Distribution Panel? 2feet Laser Diode Room (LDR) L1-LDR-C1 LLO LDR – Rack Layout L1-VDC-C3 L1-VDC-C2 L1-VDC-C1 L1-VDC-C4 L1-LDR-C2 Front L1-VDC-C5 Front Each Rack is 39” Deep and 24” Wide Changing Room L1-VDC-C6 DC Supplies 208V Distribution Panel LDR Chiller 208V Distribution Panel 2 feet 480V Distribution Panel 208V Distribution Panel No posts

  5. << CDS Rack Installations 2feet CDS Power Room (CPR) New Transformer and Distribution Panel? 2feet Laser Diode Room (LDR) L1-LDR-C1 LLO CDS Power Room (CPR) – Rack Layout L1-VDC-C3 L1-VDC-C2 L1-VDC-C1 L1-VDC-C4 L1-LDR-C2 Front L1-VDC-C5 Front Each Rack is 39” Deep and 24” Wide Changing Room L1-VDC-C6 DC Supplies 208V Distribution Panel LDR Chiller 208V Distribution Panel 2 feet 480V Distribution Panel 208V Distribution Panel

  6. DC Power Rack – VAC Wiring 12 @ 125V, 20A Circuits per Rack DC Power Rack ±18@20A ±18@20A ±18@20A ±24@20A ±18@20A ±24@20A ±24@20A ±18@20A ±18@20A ±24@20A ±24@20A ±24@20A Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE Kepco JQE

  7. L1-VDC-C1 Power Racks – Required Supplies L1-VDC-C1 Power Rack L1-VDC-C1 Power Rack Kepco JQE Style L1-SUS-C8 Kepco JQE Style L1-SUS-C8 L1-SUS-C8 L1-SUS-C8 L1-SUS-C7 L1-SUS-C7 Kepco JQE Style L1-SUS-C7 L1-SUS-C7 Kepco JQE Style Kepco JQE Style L1-SUS-C6 Kepco JQE Style L1-SUS-C6 L1-SUS-C6 L1-SUS-C6 L1-SUS-C6 L1-SUS-C6 Kepco JQE Style L1-SUS-C6 L1-SUS-C6 Kepco JQE Style Kepco JQE Style L1-SUS-C5 Kepco JQE Style L1-SUS-C5 L1-SUS-C5 L1-SUS-C5 L1-SUS-C8 L1-SUS-C5 Kepco JQE Style L1-SUS-C8 L1-SUS-C5 Kepco JQE Style Kepco JQE Style L1-SUS-C4 Kepco JQE Style L1-SUS-C4 L1-SUS-C4 L1-SUS-C4 L1-SUS-C4 L1-SUS-C4 Kepco JQE Style L1-SUS-C4 L1-SUS-C4 Kepco JQE Style Kepco JQE Style L1-SUS-C3 Kepco JQE Style L1-SUS-C3 L1-SUS-C3 L1-SUS-C3 L1-SUS-C2 L1-SUS-C2 Kepco JQE Style L1-SUS-C2 L1-SUS-C2 Kepco JQE Style Kepco JQE Style L1-SUS-C1 L1-SUS-C1 Kepco JQE Style L1-SUS-C1 L1-SUS-C1 L1-SUS-C3 L1-SUS-C2 Kepco JQE Style L1-SUS-C3 L1-SUS-C2 Kepco JQE Style B A A B

  8. Standard DC Power Connecting Scheme AC AC Customized Extension Cables D1002209 Option 02 Extension Cords D1002475 Pigtail Cords D1002475 Pigtail Cords Pigtail Cords D1002475 Pigtail Cords D1002475 Pigtail Cords D1002209 Option 01 Extension Cords S S S S S S P P P P S S + + + + + + P P Chassis S – – – – – – P P S S P Chassis S S P P Chassis P S P P S S S P Chassis S D1002189 Opt 02 24VDC Power Strip S P Chassis S D1002189 Opt 01 18VDC Power Strips S S Chassis S S S Power Supplies Power Supplies Chassis S X 24 X 24 Subsystem Electronics Rack DC Power Supply Rack 8

  9. Standard DC Power Connecting Scheme - Overview Customized Extension Cables AC AC D1002209 Option 02 Extension Cords D1002475 Pigtail Cords D1002475 Pigtail Cords D1002475 Pigtail Cords Pigtail Cords D1002209 Option 01 Extension Cords S S P P P P S S + + – – P Chassis S P Power Supplies Power Supplies Chassis S S D1002189 Opt 02 24VDC Power Strip S D1002189 Opt 01 18VDC Power Strips S S S S S S S S S S X 24 X 24 Subsystem Electronics Rack DC Power Supply Rack 9

  10. Standard DC Power Strip D1002189 Opt 02 24VDC Power Strip D1100034 Opt 02 24VDC Power Strip D1002189 Opt 01 18VDC Power Strips 10

  11. Custom-Length DC Power Extension Cables Custom length cables, metal backshells and screws on both connectors A1 A1 A2 A2 +/-18VDC 20A A3 A3 Orange 12/3 25A McMaster-Carr 7394K13 Cable Conec 3003W3PXX99A10X Connector Conec 3003W3SXX99A10X Connector Conec 131C11029X Male Contacts Conec 132C11029X Female Contacts Digi-Key 17E-1657-15-ND Backshells S S P P +/-24VDC 20A Yellow 12/3 25A McMaster-Carr 8046K16 Cable Conec 303W3CPXX99A10X Connector Conec 303W3CSXX99A10X Connector Conec 131C11029X Male Contacts Conec 132C11029X Female Contacts Digi-Key 17E-1657-15-ND Backshells Plus Plus Return Return 18 VDC 24 VDC Minus Minus

  12. Standard DC Power Extension Cords Standard 3-foot cords, backshells and screws on both connectors P P S S +/- 18VDC 10A +/- 24VDC 10A

  13. Standard DC Power Pigtail Cords Standard 3-foot length cables and backshells – Plug and Socket Options P P S +/- 18VDC 20A +/- 24VDC 20A S

  14. Standard DC Power Supply Wiring Scheme White – Positive – A1 Black – Common – A2 Green – Negative – A3 + – ‘Positive’ power supply + – ‘Negative’ power supply S S 1. Only connect two power supplies that are sourcing the same voltages. 2. Use the correct voltage option of D1002475 DC Power Pigtail Socket Cord. 14

  15. DC Power Supply Voltage and Current Monitor Power Supply * Provide a 0-10V full-scale Voltage signal * Provide a 0-10V full-scale Current signal * Present both signals on a DB9 female bulkhead connector mounted somewhere on the supply as follows: Pin Signal 1 Voltage + 6 Voltage – (GND) 2 Current + 7 Current – (GND) 3 N/A 8 N/A 4 N/A 9 N/A 5 N/A

  16. DC Discussions – We agreed that … • I/O Extenders will be powered separately from Electronics Chasses. This will permit the electronics to be turned off and on without interference to the I/O Extenders. • 3-conductor extension cables will be used between the DC Power Racks and the Electronics Racks. This will provide one return per set (+/-) of supplies. • All DC Power Supply returns will be tied together (bonded) at the DC Power Rack to avoid ground loops. • DC Power Racks will all be tied to technical ground. • Shielding DC extension cables (from DC Power Racks to Electronics Racks) is not necessary. • Non-standard (18/24) voltages should be a multi-conductor cable solution similar to this solution. See DC jacket colors for voltage conventions. • Remote sensing will not be used. The length of cable is too great for effective control.

  17. DC Wiring Color Convention Either single conductor wiring or multi-conductor cabling may be called for. These charts show the DC color code for either the single conductor wiring or the multi-conductor cabling.

  18. Custom DC Power Extension Cables – Components Custom length cables, metal backshells and screws on both connectors Connectors Plug Connector Conec 3003W3PXX99A10X Conec 131C11029X Male Contacts Socket Connector Conec 3003W3SXX99A10X Conec 132C11029X Female Contacts Cables 5VDC @13A White 16/3 McMaster-Carr 7589K11 12VDC @13A Green 16/4 McMaster-Carr 7673K63 18VDC @25A Orange 12/3 McMaster-Carr 7394K13 18VDC @13A Orange 16/3 McMaster-Carr 7394K33 24VDC @25A Yellow 12/3 McMaster-Carr 8046K16 24VDC @13A Yellow 16/3 McMaster-Carr 8046K12 36VDC @13A Black 16/3 McMaster-Carr 8157K64 >100VDC @13A Gray(Marked) 16/4 McMaster-Carr 9936K26 Backshells All Plug and Socket Backshells Digi-Key 17E-1657-15ND

  19. Custom DC Extension Cable - BOM +/- 18VDC 20A (Used between DC Power Racks and Electronics Racks) Custom length Cables, backshells and screws on both connectors, standoffs on socket S P Orange 12/3 25A McMaster-Carr 7394K13 Cable Conec 3003W3PXX99A10X Connector Conec 3003W3SXX99A10X Connector Conec 131C11029X Male Contacts Conec 132C11029X Female Contacts Digi-Key 17E-1657-15-ND Backshells L-Com SDH Standoff

  20. Custom DC Extension Cable - BOM +/- 24VDC 20A (Used between DC Power Racks and Electronics Racks) Custom length Cables, backshells and screws on both connectors, standoffs on socket Yellow 12/3 25A McMaster-Carr 8046K16 Cable Conec 303WC3PXX99A10X Connector Conec 303WC3SXX99A10X Connector Conec 131C11029X Male Contacts Conec 132C11029X Female Contacts Digi-Key 17E-1657-15-ND Backshells L-Com SDH Standoff P S

  21. Custom 24VDC Adapter +/- 24VDC 10A (Used between Old eLIGO 24VDC Connector and New Standard) This adapter is basically a 4” M-M cable that is intended to be attached to a chassis that does not conform to the new connector standard for 24VDC. P P +/- 24VDC 10A Old eLIGO 24VDC Standard New 24VDC Standard

  22. Custom Socket Pigtail Cables Used between DC Power Supplies and Custom Extension Cables This is a sample custom socket pigtail for use on a +/-12VDC set of power supplies. It really is a dark green cable jacket. +/- 12VDC 10A

  23. 24VDC Adapter – IO Chassis to Power Strip 24VDC Spades to Plug Adapter New 24VDC Power Supply This adapter is basically a 3.5” +/-24VDC 10A Plug Pigtail that is intended to be attached to the 24VDC input screws of IO Chasses. It will connect to a +/-24VDC Extension Cord. Adapter construction

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