EFD1000 E5 Dual Electronic Flight Instrument (EFI) Install Manual
DOCUMENT # 900-00041-001
PAGE 88-226
REVISION D
© Copyright 2019 Aspen Avionics Inc.
ARINC Label
EFD Parameter
ARINC
Transmit Rate*
174
Vertical Deviation
50ms
203
(1)
Pressure Altitude
200ms
204
(1)
Pressure Altitude (Baro corrected)
200ms
235
Baro Correction (inHg)
50ms
261G, bit 14
ILS Energize
50ms
261G, bit 15
GPS/NAV Select
50ms
261G, bit 16
Back Course
50ms
261G, bit 28
Altitude Engage
50ms
277
Course Datum
50ms
320
(1)
Magnetic Heading
50ms
350
ACU Config
1000m
354
ACU Config
1000ms
(1) These labels are the only ones transmitted when no ACU is configured.
*The label rate has a tolerance of +/- 15%
Table 8-4: EFD1000 E5 A429 GPS Output
8.2
ACU Electrical Specifications (910-00004 all dash numbers)
8.2.1
Power Input
Nominal Input: .................. 14Vdc or 28Vdc
Operating Range: .............. 11Vdc to 32Vdc
8.2.2
Reserved
8.2.3
VLOC Receiver
8.2.3.1
NAV Composite Input
An input connected to the composite output of a VHF Navigation receiver.
Nominal Input: .............. 0.5Vrms VOR
..................................... 0.35Vrms Localizer
Input Impedance: .......... 100K ohms
8.2.3.2
ILS Energize Discrete Input
Low impedance to ground supplied from a Navigation receiver when it is tuned to a
localizer frequency.
Active: ........................... Less than 500 ohms to ground or less than 1.5Vdc
Inactive: ........................ Open circuit sinking less than 1 ma to ground at 28Vdc
8.2.3.3
Glide Slope Deviation Input
A low level differential input that accepts a glide slope signal from an external VHF Nav
receiver.
Input Range: ................. ±150mVdc full scale
Max Input Range: .......... ±400mVdc
Load: ............................ 1000 ohm
