Installation, 4 generator connection – Alpha Technologies USM2.5 Status Monitoring Module User Manual
Page 19
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1. Installation
19
018-041-C0-003 Rev. C
1.4
Generator Connection
The Generator Connector provides the Transponder with alarms and status signals. Control
signals can also be sent to the generator for test and Run / Stop. Refer to the ECM operation
and maintenance manual for further information on the generator connections.
PIN #
Generator connection
1
APU Fail / Major Alarm
2
APU Minor Alarm
3
Engine Alarm
4
Gas Hazard Alarm
5
APU Test Fail Alarm
6
APU Enclosure Alarm
7
Engine Status
8
APU Enclosure Tamper
9
APU Signal Return / ground
10
APU Run / Test Command
11
Run / Test Command Return
12
No Connection
Figure 1-10 Generator monitor connections
Alpha P/N 874-975-20
Output 1
LRI
Battery
Input
Temp
Probe
Battery
Breaker
To Generator
Compartment
1
5
9
2
6
10
3
7
11
4
8
12
Wire Entry
View
6
12
5
11
4
10
3
9
2
8
1
7
Wire Entry
View