ComAp IG-NT Reference Guide

IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
31
Engine stopping procedures
Normal engine stop:
1s
BO: Stop pulse
BO: Stop solenoid
Stop time
BO: Fuel solenoid
RPM + pick - up signal
Typical engine stop time
Correct setting – Stop time
setpoint is set to longer
time than typical engine
stop time.
Pick-up sensor fault – forced engine stop:
pick up signal
BO: Stop pulse
BO: Stop solenoid
Stop time
BO: Fuel solenoid
actual RPM
Moment of the pick -up
sensor fault – measured
RPM=0.
In this moment „still engine“
is detected. If pick-up sensor
failed, there may be other
signals determining if
engine is still moving or not.
1s
Normal engine stop, but Stop time is set too short:
2s
5s
BO: Stop solenoid
Stop time
BO: Fuel solenoid
RPM + pick - up signal
Stop command issued.
In this moment „still engine“
is detected.
In this moment the Stop time
elapsed, but the engine is still
moving. „Sd Stop fail“ alarm
appears.
„Still engine“ confirmed.
Additional 5s delay elapsed,
Stop solenoid deactivated.

ComAp IG-NT Specifications

General

Brand	ComAp
Model	IG-NT
Category	Controller
Language	English