Manual 37278B GCP-30 Series - Genset Control
© Woodward Page 131/174
Parameter 304
time f lower
bef.start 000s
with three- step controllers only
Diesel engine; approach low-idle position (time) 0 to 999 s
The duration that the "lower engine speed" signal (see Parameter 303) is output.
Parameter 305
Fuel relay logic
----------------
Diesel engine; fuel solenoid logic open to stop / close to stop
open to stop . The operating solenoid is energized prior to each start sequence. In
order to shutdown the engine, the operating solenoid is de-energized.
close to stop In order to shutdown the engine, the stop solenoid is energized. The
stop solenoid remains energized for an additional 10 seconds once
the engine speed drops below firing speed (Parameter 308) and th
e
generator voltage is less than 20 V.
Cool Down
Parameter 306
Cool down time
000s
Engine; cool down time 0 to 999 s
If the engine performs a normal shutdown (i.e. STOP mode initiated) or stoppage
by means of a class F2 alarm has been initiated, an engine cool down period with
an open GCB and frequency control is performed for this time. If the engine cool
down has terminated (cool down time has been expired) and engine speed (Para-
m
eter 308) is still detected after 30 seconds, an engine failure to stop message is
displayed.
Note
An engine cool down is performed only if the reply of a closed GCB (terminal 4)
has been enabled for at least 5 seconds.
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