FAA Approved Installation Manual for the
Report No 908
EDM-900 and EDM-930
Page 49 of 55 Rev I
Primary Engine Data Management System
Date 1-18-2013
54.
Appendix C
C
onnector Pin Assignments on EDM, J1-J2 Only with ARINC 429
J1 - DB25M
Production
Version
1
Oil Temp Y
2
Oil Temp R
3
Spare RS232 Data In
Not used
4
FDR RS232 Data Out
To Flight Data
Recorder
5
Ground Oil Pr/Hydr Pr
6
Oil Pr +input 0-5V
7
Oil/Hydr Pr +5V power
8
5V power
9
input 0-5V
10
Torque Ground
11
AMPS #1+
connected to
generator shunt
12
AMPS #2+
connected to
battery shunt
13
14-28V Pwr (BAT1)
14
OAT Y
15
OAT R
16
ITT Y
17
ITT R
18
Emerg Hyd Pr +in 0-5V
Kg (5V) / lb (0V)
Select
19
Main Hyd Pr +in 0-5V
Day (5V) / Night
(0V) Select
20
Fuel Pr +5V power
21
Fuel Pr +input 0-5V
22
Fuel Pr Gnd
23
AMPS #1 -
connected to
generator shunt
24
AMPS #2 -
connected to
battery shunt
25
Power Ground
J2 DB25F
Production Version
1
ARINC IN #1A
Not used
2
ARINC IN #1B
Not used
3
GPS RS232 Data In
4
GPS RS232 Data Out
5
Fuel Flow Signal
6
Fuel Flow +12V pwr
7
Fuel Flow Ground
8
FQ #1 0-5V
9
FQ #2 0-5V
10
Fuel Temp RTD -
Ground
11
Fuel Temp RTD +
12
nCAL
Do Not
Connect
13
14-28V Aux Pwr (BAT2)
14
ARINC OUT #1A
15
ARINC OUT #1B
16
Annunciator #1
Ground = on
17
Annunciator #2
18
Annunciator #3
19
Annunciator #4
20
FQ #3 0-5V
21
FQ #4 0-5V
22
N2, Np
23
N1, N2 Gnd
24
N1, Ng
25
Power Ground