| Recent updates
allow improvements to engine and structural life tracking
that will lead to long term Operations and Support improvements
and cost savings.
The ASDC is suitable for mounting in an avionics rack.
It contains a 32-bit microprocessor with integrated
coprocessor, dual-redundant Remote Terminal interface,
analog, discrete, synchro, tachometer and vibration
interfaces, memory and a power supply. This highly reliable
unit has no moving parts or adjustments.
The recording function receives and compresses signals
on all channels simultaneously, saving user-specified
information in compressed form while also detecting
complex exceedance events and processing engine algorithms
for engine wear data.
Unit built-in test is performed on power-up, on command,
and continuously. Downloading of flight data can be
performed at any time over the MIL-STD-1553B bus or
a dedicated RS-422 channel. The modular, configurable
design of the ASDC permits adaptation of new requirements
and fast, easy fault detection, isolation and repair
in the field. Cooling is by convection.
L-3 EDI, a leader in solid-state recorder technology,
has also produced recorders for the B-1, B-2, F-4, F/A-22
and JAS-39 aircraft.
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