CERN LHC Crates - WIENER, Plein & Baus, Corp.

CERN LHC Crates

For CERN a special version of the VME64x 6021 crate series was developed to be used by the four LHC experiments, ALICE, ATLAS, CMS and LHCb. The sub-racks are all constructed to the IEEE1101.n mechanical specifications. The subracks are specified for VME-bus and Compact PCI for modules in both 6U and 9U form-factors. VME64x backplanes, power supplies as well as integrated cooling are standard. Sub-racks may be equipped with rear, "transition module", card-cages according to IEEE1101.11 (depth of modules are 220mm or 160mm in 9U sub-racks and 160mm in 6U sub-racks). LHC VME crates can be powered by remote power supplies.

All technical details are described within the "Technical Specification for Sub-racks for LHC Experiments". For details see the CERN ESS web site at http://ess.web.cern.ch/ESS/crateProject.

The LHC-VME64x 6021 crates consist of the UEV 6021-S bin, the UEL 6020 EX fan tray unit and the UEP 6021 power supply. Ethernet remote monitoring/control and a 6U/160mm rear side transition board card cages are commonly selected options.

UEV 6021-S bin

19” x enclosure for 21 VME64x cards 6U x 160mm or 9U x 400mm
Variant 1 type for 6U and 9U cards with remote power supplies
Variant 2 type for 6U and 9U cards with integrated power supply
VME64x version fully compliant to IEEE 1101.10/P, advanced EMC / ESD shielding
Very rugged steel-aluminum construction features 5mm thick heavy duty side plates with zero-tolerance countersink screw positioning of all horizontal rails
Monolithic 6U VME64x backplane (J1/J0/J2), 10 layer PCB, active termination, automatic-daisy-chain
Free rear side access to J2 and J3 (9U size), optional rear side transition card cage
Optional up to 8 temperature sensors in VME card cage above modules
Dimensions: 19’’. The other dimensions depend on the variant type

UEL 6020 EX fan tray

Designed to provide superior cooling of VXI modules, bottom-to-top air flow, 340mm deep
Equipped with 3 to 6 individually controlled long-life DC fans, MFOT >65,000h
Integrated fan and thermal monitoring, adjustable fan speed (1200 … 3600 RPM)
Microprocessor controlled with alphanumeric high-visibility LED display for all fan tray, bin and power supply parameters (voltages, currents, power, temperatures, set-up data…)
Combo interface (Ethernet, RS232, CAN-bus) for remote monitoring and control
Dimensions: 430mm x 2U x (whd), depth-dependent upon variant type. Approximate weight: ca. 8 Kg
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UEP 6021 Power Supply

High density / lowest-noise power supply in WIENER “Cavity-VHF” switching technology with excellent RF-shielding, <10mV_pp ripple and noise
Modular and expandable design with self-ventilated universal power blocks, individually sensed and floating DC outputs
Micro-processor controlled, programmable voltage adjustment, current limits and over/under voltage trip off points, temperature limits, etc
"Self Protected", against any failure as under/over voltage, over current, over temperature, etc.
94V – 260V world-wide auto-range AC input, with power factor correction
High power density, up to 6 kW DC output power
3U or 6U high power box
Optional in separate power chassis, (remote types)
Dimensions: 430 x 3U or 6U x 250mm (whd), weight: from 13.2 to 20 Kg, (depending on the number of power modules)
CE-conformity
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Standard Crate configurations (other possible on request)

Crate Version	Backplane	+5V	+12V	-12V	+3.3V	+48V	Height
VME 6021x910	VME64x	115A	23A	23A	115A		3U
VME 6021x912	VME64x	230A	23A	23A	115A		3U
VME 6021x915	VME64x	345A	23A	23A	115A		3U
VME 6021x917	VME64x	115A	23A	23A	230A		3U
VME 6021x918	VME64x	230A	23A	23A	230A		3U
VME 6021x920	VME64x	115A	45A	45A	115A		3U
VME 6021x924	VME64x	230A	45A	45A	115A		3U
VME 6021x927	VME64x	115A	45A	45A	230A		3U
VME 6021x928	VME64x	230A	45A	45A	230A		3U
VME 6021x929	VIPA	460A	45A	45A	345A		6U
VME 6021x931	VME64x	115A	23A	23A	115A	13.5A	3U
VME 6021x932	VME64x	230A	23A	23A	115A	13.5A	3U
VME 6021x933	VME64x	115A	23A	23A	230A	13.5A	3U
VME 6021x934	VME64x	230A	23A	23A	230A	13.5A	6U
VME 6021x935	VME64x	115A	23A	23A	115A	27A	3U
VME 6021x936	VME64x	230A	23A	23A	115A	27A	6U
VME 6021x937	VME64x	115A	23A	23A	230A	27A	6U
VME 6021x938	VME64x	230A	23A	23A	230A	27A	6U
VME 6021x950	VME64x	115A	45A	45A	115A	13.5A	6U
VME 6021x951	VME64x	230A	45A	45A	115A	13.5A	6U
VME 6021x952	VME64x	115A	45A	45A	230A	13.5A	6U
VME 6021x953	VME64x	230A	45A	45A	230A	13.5A	6U
VME 6021x954	VME64x	115A	45A	45A	115A	27A	6U
VME 6021x955	VME64x	230A	45A	45A	115A	27A	6U
VME 6021x956	VME64x	115A	45A	45A	230A	27A	6U
VME 6021x957	VME64x	230A	45A	45A	230A	27A	6U
VME 6021x961	VME64x	345A	23A	23A	230A	40.5A	6U
VME 6021x962	VME64x	345A	45A	45A	230A	40.5A	6U