Manual 37278B GCP-30 Series - Genset Control
© Woodward Page 145/174
No. Output Explanation
51 Discrete input [D16]
52 Auxiliary services i.e. prelube/cooling pumps
53
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--Internal--
54 Centralized alarm (class F1, F2, or F3 alarm; enabled until acknowledge-
ment)
55 TEST or AUTOMATIC operation mode selected
56 Generator power watchdog, level 1
57 MCB is closed
58 GCB is closed
59
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--Internal--
60 Mains parallel operation is desired: disable interlock of GCB <> MCB
61 Overcurrent I/t or generator overcurrent, level 2
62 Introduce load-shedding: Connection / synchronization of GCB is carried
out or circuit breaker is closed
Signal is enabled prior to connection
/ synchronization and remains
enabled after circuit breaker is
closed.
63 Connection / synchronization MCB carried out or circuit breaker is closed Signal is enabled prior to connection
/ synchronization and remains
enabled after circuit breaker is
closed.
64 Overspeed via Magnetic Pickup
65 Emergency power is active
66 Shutdown malfunction
67 Power watchdog for power supplied by the mains
68 Maintenance call
69 Pickup/gen. differential frequency The monitored generator frequency
and the engine speed from the MPU
are different
70 "Synchronization MCB" or. "Connect MCB" time monitoring alarm.
71 GCB synchronization carried out
72 MCB synchronization carried out
73 Lamp test active
74 Malfunction "Reply: GCB is open" - fault on closing The GCB cannot be closed after 5 at-
tempts.
75 Malfunction "Reply: MCB is open" - fault on closing The MCB cannot be closed after 5
attempts.
76 Malfunction "Reply: GCB is open" - fault on opening 2 s following the "Command: open
GCB" a reply continues to be de-
tected.
77 Malfunction "Reply: MCB is open" - fault on opening 2 s following the "Command: open
MCB" a reply continues to be de-
tected.
78 Power supplied by the mains <> 0 In the event of interchange synchro-
nization, the zero incoming power
cannot be attained. The MCB is pre-
vented from opening as a result of
this. Reset via acknowledgment.
79 Connect time on dead bus start exceeded
80 Generator power watchdog, level 2
#1
special versions only