Mar 2017 Page 23
DATA ACQUISITION FLIGHT RECORDER Type D51615-202-XXX or D51615-
202-XXX-090 with CCU Type D51616-XXXX and CAM Type D51623-XXXX
Installation and Operating Manual with Illustrated Parts
List
Commercial in Confidence
PIM434-I
© Penny & Giles Aerospace Ltd. No part of this work may be reproduced or distributed by any means
without prior permission in writing from the copyright owner.
Source impedance: 100
Input impedance: 100k
Accuracy: ±3%
Resolution: 0.5% of full scale
Accelerometer Input
A single accelerometer input channel is provided that
comprises two signals;
Input voltage range: 3.3Vdc representing a range
between -3g to +6g.
Accuracy: ±0.09g (excluding datum error of
±0.45g)
Resolution: 0.004g
Input impedance: 100k
Discrete Input sources
Six discrete inputs are available for data acquisition over and
above those that are available for recorder control purposes.
These inputs are typically connected to Push To Transmit or
Engine status signals. The inputs are sampled and recorded in
accordance to the frequency, resolution and accuracy of
ED112.
Enable: Standard Ground
Disable: Standard Open
Data Storage Delay
The delay between the availability of data at the input and the
storing of the data in the protected memory does not exceed
0.5 seconds.
Data Duration - Minimum
The DAFR is available with a single memory capacity of 192MB;
the D51615-202-XXX variants will retain as a minimum at all
times the last 25 hours of aircraft data when recorded in a
method consistent with that defined in the Customer
Configuration Specification.
Data Duration - Maximum
As a result of the method of using redundant memory for error
correction and capacity to support a 25 hour record duration,
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