EDO's General Purpose Instrumentation System
Avionics Data Acquisition Control System (ADACS)

Description Features Applications Characteristics Block Diagram

ADACS Description

The EDO Avionics Data Acquisition Control System (ADACS) is a MIL-SPEC, distributed multiprocessor, VME based instrumentation system.

Our ADACS instrumentation system is housed in three full ATR chassis’

The ADACS instrumentation system collects, filters, time stamps and records data from various sources including MIL-STD-1553B, high speed digital, and video busses.

The VME architecture’s inherent growth capability allows for collection of many different types of data from multiple data sources.

The 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. Data can also be telemetered to a data analysis station.

The ADACS instrumentation interfaces with and controls various external systems via RS-232, RS-485 and IEEE-488. The ADACS also interfaces to workstations through its Ethernet interface.

The ADACS is user controlled through touch screen control panels. Multiple touch screens, operating independently, are utilized to sequence the user(s) through various control and status menus. These menus are customized for the required customer function.

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ADACS Instrumentation Features

Modular 6U VME architecture

MIL-SPEC boards, MIL-STD 704E power supply

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Motorola 680X0 processors

Vx-Works operating system

Menu driven touch screen user interfaces

Simultaneous recording of multiple 1553 busses

User selection of data parameters to be recorded

User selection of data parameters for telemetry

Telemetry formats per IRIG 106-93 Class 1

External device control via RS-232, RS-422, RS-485, IEEE-488

SCSI interface to multiple storage devices

Ethernet interface to workstations

Accepts various IRIG modulated inputs

Extensive Built-In-Test (BIT) and self diagnostics

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ADACS Instrumentation Applications

Airborne Avionics Systems Testing:

ADACS instruments various avionic busses and provides user control/status of various on-board test systems, recorders and equipment. ADACS will PCM encode user selected parameters for real-time telemetry transmission to ground stations.

Operational Testing:

Each ADACS ATR chassis can operate independently and be palletized for instrumenting of busses on operational airborne platforms.

General Purpose Instrumentation System:

ADACS architecture supports a wide variety of instrumentation interfaces for almost any instrumentation requirement.

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ADACS Instrumentation Characteristics

Physical

	Three 13 slot full ATR chassis’ (ARINC 404A)
	MIL-SPEC connectors
	External cooling or optional cooling fan

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 2000Hz
	Random	12G’s/20 to 2000 Hz

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ADACS Instrumentation Block Diagram

ADACS general purpose instrumentation block diagram

Return to Flight Test and Electronic Warfare Laboratory instrumentation page.

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Last Edited: January 28, 2008

EDO's General Purpose Instrumentation System Avionics Data Acquisition Control System (ADACS)

EDO's General Purpose Instrumentation System
Avionics Data Acquisition Control System (ADACS)