InteliNano-NT Plus, SW version 2.0.1.x, ©ComAp – July 2015
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12.3.5 Inactive confirmed shutdown
O04 Alarm output is opened. It is possible to start engine when all shutdowns are inactive and
confirmed.
Figure 12.9
INACTIVE CONFIRMED SHUTDOWN – EMERGENCY STOP
12.3.6 Possible shutdown alarms
Emergency Stop
The binary input Emergency Stop was activated.
Overspeed
The protection comes active if the speed is greater than 115% of nominal engine
RPM, which is derived from generator frequency.
Underspeed
Low engine RPM. This alarm will be issued when the gen-set is running and then
stops by itself, i.e. the RPM drops under the nominal engine RPM.
The underspeed alarm starts to be evaluated 5 sec after successful gen-set start and
is being evaluated all the time the Fuel Solenoid is on.
Low Oil Pressure
Engine will stop when oil pressure declined to or less than 1 bar or binary input I22
Low Oil Pressure is active.
High Coolant temperature
Engine will stop when temperature of coolant exceed Coolant Temperature Shutdown
threshold.
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