EFD1000 Installation Manual
DOCUMENT # A-01-126-00 PAGE 19-225 Revision H
© Copyright 2009 Aspen Avionics Inc.
2.3 Analog Converter Unit (ACU):
2.3.1 General Specifications
Part Number .............................. A-05-112-00
Width ........................................ 5.75 in. including mounting flanges
Height ....................................... 1.60 in.
Length....................................... 4.30 in.
Weight....................................... 0.8 lbs
2.3.2 Operational Specifications:
Operating Temp: ...................... -20°C to +55°C
Storage Temp: .......................... -55°C to +85°C
Max Operating Altitude.............. 35,000 ft Unpressurized/ 55,000 ft Pressurized
Cooling ..................................... none required
Max Humidity ............................ 95% at 50°C
Input Voltage............................. +11 to +32 VDC
Nominal Current........................ 0.5/1.0 Amps (28v/14v)
2.3.3 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
GPS Discrete .............................. 4 Active low inputs
DH Discrete ............................... 1 Active low input
Flight Director ........................... 1 output port
Autopilot Interface..................... 1 Analog port
2.3.4 Certification Specifications:
The ACU is certified as a component of the EFD1000 system
Environmental:
RTCA DO-160E.......................... See Environmental Qualification Form Section 13
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