EFD1000 E5 Dual Electronic Flight Instrument (EFI) Install Manual
DOCUMENT # 900-00041-001
PAGE 28-226
REVISION D
© Copyright 2019 Aspen Avionics Inc.
2.4
Analog Converter Unit (ACU)
2.4.1
General Specifications
Part Number ...................... 910-00004-001
Width ................................ 5.75 in. including mounting flanges
Height ............................... 1.60 in.
Length ............................... 4.28 in.
Weight ............................... 0.8 lbs.
2.4.2
Operational Specifications
Operating Temp ................ -40°C to +55°C
Storage Temp .................... -55°C to +85°C
Max Operating Altitude ..... 35,000 ft.
Cooling ............................. None Required
Max Humidity .................... 95% at 50°C
Input Voltage ..................... +11 to +32 VDC
Nominal Current ................ 0.5/1.0 Amps (28v/14v)
2.4.3
I/O Specifications
ARINC 429 Inputs .............. 2 Low Speed
ARINC 429 Outputs ........... 2 Low Speed
RS-232 Inputs ................... 1 (software loading only)
VHF Nav Receiver ............... 1 Analog input
GPS Receiver ...................... 1 Analog input
GPS OBS Interface .............. 1 Output
Autopilot Interface ............. 1 Analog port
2.4.4
Certification Specifications
The ACU is certified as a component of the EFD1000 E5 system
Software:
RTCA DO-178B ................. Level C
Complex Electronic Hardware (CEH): NONE
Environmental:
RTCA DO-160E ................. See Environmental Qualification Form Section 13