InteliNano-NT Plus, SW version 2.0.1.x,
©ComAp – July 2015
83
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
–
E
MERGENCY
S
TOP
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
Low Oil Pressure
Engine will stop when oil pressure declined to or less than 1 bar or binary input
Low Oil Pressure
is active.
High Coolant temperature
Engine will stop when temperature of coolant exceed
Coolant Temperature Shutdown
threshold.
External Shutdown 1
External Shutdown 2