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Fig. 1-7 front view, engine control module (ecm), Fig. 1-6, Fig. 1-7 – Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit User Manual

Page 18: Front view, engine control module (ecm), System overview, Engine control module

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1. System Overview

18

031-132-B0-001 Rev. A

TM

©2000

1.4

Engine Control Module Overview, continued

Ignition Battery Shelf

Engine Generator

Serial RS-485 Comm. port

Alarm LEDs

Run/Auto/Stop (RAS) switch

Alarm/Service pushbutton

Parallel transponder interface

SYS

Enclosure Alarm Interface

APU Interface

DC Sense

Battery Charger Control Interface

Utility Line Sense

STOP

E
C

M

START

Engine Control Module

Fig. 1-7 Front view, Engine Control Module (ECM)

Fig. 1-6 Location of Engine Control Module within the Engine-Generator Cabinet.