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Diamond Point International

Aitech E116 - Fan-Cooled ATR Compact Short VME Enclosure

Compact and Lightweight Environmentally Sealed Chassis with 6 Standard VME64x Slots

Introduction

Aitech's E116 Forced air Fan-cooled VME computer enclosure is built to be rugged and reliable as well as lightweight and compact. EMI/RFI protected and environmentally sealed, the E116 is capable of withstanding extreme environmental conditions of altitude, temperature, humidity, shock, vibration, EMI and chemical exposure. This makes it ideal for use in all military environments.

Sturdy Mechanical Design

The E116 is constructed of durable CNC machined 6061-T6 aluminum. Fasteners are stainless steel and often-used threads have selflocking stainless steel helicoils to withstand severe vibration and shock. All connectors are
located on the front panel of the enclosure for easy access. Side and back walls are internally finned for forced air-cooling without sacrificing ruggedness. Designed with 2 built-in handles, the E116 is also equipped with hooks and mounting holes to facilitate installation in standard 1/2-ATR short mounting trays. Optional mounting side flanges are available for hard mounting to a shelf.

Board Capacity

The E116 accommodates 6 standard VME boards with 0.8 inch pitch, including: 

  • IEEE 1101.2 conduction-cooled VME cards
  • Commercial VME boards without front panels

VME Backplane

The backplane is VME64x compliant with 160-pin, 5-row J1/J2 connectors and 95-pin PO connectors in all slots. Any of the pins in rows A and C, and user defined pins in rows Z and D of the J2 connectors, as well as the 95 I/O pins from each of the P0 connectors (up to a maximum of 695), can be routed to front panel I/O connectors.

Specification

Enclosure Specifications

GeneralRugged Chassis for Mobile Military Applications
Designed for Harsh Mechanical, Climatic, Chemical and Electrical Stresses
Environmentally Sealed
Compact and Lightweight with 6 Standard VME64x Slots
Internally Conduction-Cooled; Externally Forced Air-Cooled with integral Fan
Fully Sealed Faraday Cage and Complete EMI/RFI Filtering
Customized Front Panel Connectors with optional I/O transition board
P221 Multi-Output Removable VME 6U Power Supply
CapacityThe E116 accommodates 6 standard VME boards with 0.8 inch pitch, including:
• IEEE 1101.2 conduction-cooled VME cards
• Commercial VME boards without front panels
BackplaneThe backplane is VME64x compliant with 160- pin, 5-row J1/J2 connectors and 95-pin PO connectors in all slots.
PSUVoltage Range (DC): 16 V to 36 V
Transient Suppression: Per MIL-STD 704 D and A, (with the exception of meeting the input voltage surges for MIL-STD-704A for non damage only)
Output: +5v @ 30A, +3.3V @ 12A, +12V @ 1A, -12V @ 1A
Total Output Power: 175 W
Efficiency: >75%
CoolingThe E116 does not require external forced air or base plate cooling. The E116 is cooled by forced air blown from th rear end of the enclosure into two side heat exchangers. Heat from the cards is conducted to the aluminum sidewalls and dissipates the heat to the surroundings by the airflow of a powerful military fan. The fan is temperature controlled and operates when the enclosure heats up beyond the point of selfsustained heat dissipation.

Note: There is no airflow on the cards; the internal part of the enclosure remains environmentally sealed.
IP/NMEAThe E116 is sealed against humidity, rain drops and splash. Enclosure mating surfaces are sealed with hollow silicone rubber O-ring seals. Connectors and other accessories are protected in the same manner.

General

ExpansionVME64x compliant
ElectricalSee above for PSU specification
Power Dissipation Capability: More than 160W at 71C ambient air temperature (maximum delta T of 14C at card edge).
MechanicalStandard Full -ATR short mounting footprint, except for shorter length: 10.12 x 8.1 in (W x D)
Maximum external dimensions with fan unit and handle: 11 x 12.52 x 7.62 in (W x D x H)
TemperatureOperating Temp.
• Ser 200 level Enclosure: -40 °C to +71 °C*
• Ser 400 level Enclosure: -55 °C to +71 °C*
Non-operating Temp.
• Ser 200 level Enclosure: -50 °C to +85 °C
• Ser 400 level Enclosure: -62 °C to +100 °C
Humidity5%-95% relative humidity with condensation
WeightLess than 17.5 lbs, without boards and I/O transition board.
Less than 19 lbs, without boards.
VibrationSine* Cycling of 5 g (max) at 5 to 500 Hz
Random* 10 g RMS at 20 to 2000 Hz
Transportation Loose cargo vibration
* Hard mounted
ShockSingle half-sine shocks**: 40 g peak, 3 axes, 11 ms duration
** Hard mounted
EMCDesigned to meet the emanation and susceptibility limits of MIL-STD-461, as per MIL-STD-462 requirements, CE101/102, CS101/102,114, & RE101/102 RS101/103.
Warranty1 Year
RoHSCompliant

Ordering Details

BoardRefer to datasheet for ordering part number scheme
AccessoriesN/A