Manual 37128A GCP-20 Series - Genset Control
© Woodward Page 33/190
Set Point Table
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Automatic 1
Automatic 2
Control via
interface ON
Ext. set point value
ON
Specification of Set point value through
1 X X X Set point 1
0 1 OFF OFF Set point 2
0 1 OFF ON Externally via 0/4 to 20 mA input
0 1 ON X Externally via serial interface
0 0 OFF OFF Standby only emergency power
Table 7-1: Set point table
Control Inputs
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NOTE
Any possible emergency power ("Emergency power" configuration screen must be set to ON) or sprin-
kler operation (terminal 6 must be configured accordingly) will be carried out in the operating modes
"TEST" and "AUTOMATIC" regardless of the discrete inputs "Automatic 1" and "Automatic 2". If termi-
nals 3 and 5 are enabled simultaneously, preference is given to terminal 3.
Automatic 1
Terminal 3
Selection of the operating mode "AUTOMATIC" with the "set point of the active load 1"
Set.....................If the unit is set to the operating mode "AUTOMATIC" (selected by means of the
selector switch for operating modes located at the front side) the "set point of the
active load 1" is adjusted while in mains parallel operation. In the case of a fixed
power (C), the unit is started immediately and mains parallel operation is com-
menced following the synchronization of the generator power circuit breaker. In
the case of incoming (I) or outgoing power (E), starting is determined by automatic
an start/settle operation. If no automatic start/settle operation is carried out, the unit
is started immediately. The set point value can be modified via the configuration
mode.
Reset.................If neither the sprinkler nor the emergency power operation are activated, the genset
is shut down and then switched off after coasting.
Automatic 2
Terminal 5
Selection of the operating mode "AUTOMATIC" with the "set point of the active load 2"
Set.....................If the unit is set to the operating mode "AUTOMATIC" (selected by means of the
selector switch for operating modes located at the front side) the "set point of the
active load 2" is adjusted while in mains parallel operation. In the case of a fixed
power (C), the unit is started immediately and mains parallel operation is com-
menced following the synchronization of the generator power circuit breaker. In
the case of incoming (I) or outgoing power (E), starting is determined by automatic
boost/buck operation. If no automatic boost/buck operation is carried out, the unit
is started immediately. The set point value can be modified via the configuration
mode.
Reset.................If neither the sprinkler nor the emergency power operation are activated, the genset
is shut down and then switched off after coasting.
If the external definition of a set point value is activated (e. g. by an analog input 0/4 to 20 mA or
by a bi-directional interface), the external set point is adjusted via the discrete input (see table of set
points).
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