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EDO's General Purpose Instrumentation
Palletized Avionics Instrumentation System (PAIS)

  PAIS Instrumentation System

General Description
Instrumentation Features
Instrumentation Applications
Instrumentation Characteristics
Instrumentation Block Diagram

 Palletized instrumentation system

 

 

   Palletized Avionics Instrumentation System
PAIS General Description
The EDO's Palletized Avionics Instrumentation System (PAIS) is a MIL-SPEC, distributed multiprocessor, VME based instrumentation system.
Palletized Avionics Instrumentation System is housed in a single full ATR chassis, PAIS collects, filters, time stamps and records data from various sources including MIL-STD-1553B and high speed digital.
The VME architecture’s inherent growth capability allows for collection of many different types of data from multiple data sources. Collection of individual data parameters from each data source is completely user definable. Once collected, data is recorded on SCSI compatible devices via SCSI interface.
The PAIS is user controlled through a Programmable Pushbutton switch control panel. The control panel is utilized to sequence the user through various control and status menus. These menus are customized for the required user function.
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Palletized Instrumentation Features
Modular 6U VME architecture
MIL-SPEC boards, MIL-STD 704E power supply
Power PC processors
Vx-Works operating system
Menu driven programmable pushbutton user interfaces
Simultaneous recording of multiple MIL-STD-1553 busses
User selection of data parameters to be recorded
SCSI interface to multiple storage devices
Accepts various IRIG modulated inputs
Extensive Built-In-Test (BIT) and self diagnostics
Palletized installation
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PAIS Applications
The Palletized Avionics Instrumentation System is a single integrated palletized avionics instrumentation system. Collects multiple MIL-STD-1553B and high speed parallel bus data simultaneously.

Operational testing:

Supports multi-mission testing. Single sorties can accomplish multiple test objectives vs multiple sorties and multiple instrumentation systems to accomplish the same test objectives.

Supports multi-mission testing:

PAIS architecture supports a wide variety of instrumentation interfaces for almost any instrumentation requirement.
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PAIS Instrumentation Characteristics

Physical:

One 13 slot full ATR chassis’ (ARINC 404A)

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MIL-SPEC connectors
Cooling fan
Pallet: 25 in. wide x 30 in. deep x 10 in. high
Total weight including LRUs is 130 pounds

Electrical:

MIL-STD- 704E power supply
Wide band power input 115 VAC, 47-440 Hz

Environmental:

Temperature -55° C to 85° C
Altitude 50,000 Feet
Humidity 0% to 100% RH

Vibration:

Sinusoidal
5G’s/5 to 2000 Hz
Random
12G’s/20 to 2000 Hz
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PAIS Instrumentation Block Diagram
 

 
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Updated: January 23, 2008

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