Aspen Avionics EFD1000 E5 - Acu;Acu2 Pin out; Table 8-13: ACU J1 Pin out; Figure 8-4: ACU J1 Connector (as Viewed from Front of Unit)

EFD1000 E5 Dual Electronic Flight Instrument (EFI) Install Manual
DOCUMENT # 900-00041-001 PAGE 97-226 REVISION D
© Copyright 2019 Aspen Avionics Inc.
8.7 ACU/ACU2 Pin Out
Pin
Number
Name
Input /
Output
Function
J1-1
429RX2A
INPUT
ARINC 429 Port 2 Receive A
J1-2
429RX2B
INPUT
ARINC 429 Port 2 Receive B
J1-3
PWR-COM
-
Power Common
J1-4
GPS+LT
INPUT
GPS Lateral Dev Input (-)
J1-5
GPS-LATFLG
INPUT
GPS Lateral Flag Input (-)
J1-6
GPS+DN
INPUT
GPS Vertical Dev Input (-)
J1-7
GPS+FR
INPUT
GPS TO/FROM Input
J1-8
GPS-VERTFLG
INPUT
GPS Vertical Dev Flag (-)
J1-9
Reserved
-
Reserved
J1-10
+11 to 32Vdc
-
Aircraft Primary Power
J1-11
GPS+RT
INPUT
GPS Lateral Dev Input (+)
J1-12
GPS+LATFLG
INPUT
GPS Lateral Flag Input (+)
J1-13
GPS+UP
INPUT
GPS Vertical Dev Input (+)
J1-14
GPS+TO
INPUT
GPS TO/FROM Input
J1-15
GPS+VERTFLG
INPUT
GPS Vertical Flag (+)
Table 8-13: ACU J1 Pin Out
Figure 8-4: ACU J1 Connector (as viewed from front of unit)
Pin
Number
Name
Input /
Output
Function
J2-1
COMPOSITE
INPUT
VOR/LOC Composite input
J2-2
/ILS-ENERGIZE
INPUT
Active Low input from VHF Nav Rx
J2-3
/Spare-Disc1
INPUT
Spare Discrete Input
J2-4
1
/BACK-CRS-
OUT
OUTPUT
Open collector output to drive the back course
sense circuit of an autopilot
J2-5
/ILS-ENERGIZE-
OUT
OUTPUT
Active Low Output when ILS Selected or GPS Appr
Active
J2-6
/FCS-LOC-IN
INPUT
Low Input from GPS when Appr Selected
J2-7
/OBS-LEG-IN
INPUT
Active Low from GPS when GPS OBS mode selected
J2-8
-DH
INPUT
N/A
J2-9
FD-ENGAGED
INPUT
N/A
J2-10
FD-ROLL2
INPUT
N/A
J2-11
+VLOCFLG-OUT
OUTPUT
Valid VHF Nav VOR or Localizer signal
J2-12
+GS-IN
INPUT
Glideslope deviation from VHF Nav Rx
1
9
15
8