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Manual
Manual 37223E
37223E
easYgen-3000
easYgen-3000 Series
Series (Package
(Package P1)
P1) -
- Genset
Genset Control
Control
©
© Woodward
Woodward
Page
Page 49/67
49/67
Discrete Inputs: Operation Logic
Discrete Inputs: Operation Logic
Discrete inputs may be configured to normally open (N.O.) or normally closed (N.C.) states. In the state N.O., no
Discrete inputs may be configured to normally open (N.O.) or normally closed (N.C.) states. In the state N.O., no
potential is present during normal operation; if an alarm is issued or control operation is performed, the input is
potential is present during normal operation; if an alarm is issued or control operation is performed, the input is
energized. In the state N.C.,
energized. In the state N.C., a potential is continuously present during normal operation;
a potential is continuously present during normal operation; if an alarm is issued or
if an alarm is issued or
control operation is performed, the input is de-energized.
control operation is performed, the input is de-energized.
The N.O. or
The N.O. or N.C. contacts may be connected to the signal terminal as well
N.C. contacts may be connected to the signal terminal as well as to the ground terminal of
as to the ground terminal of the dis-
the dis-
crete input. See previous chapter
crete input. See previous chapter Discrete Inputs: Signal
Discrete Inputs: Signal on page
on page 47
47 for details.
for details.
Discrete input (N.O.)
Discrete input (N.O.)
Vdc (GND)
Vdc (GND)
GND (Vdc)
GND (Vdc)
Discrete input (N.C.)
Discrete input (N.C.)
Vdc (GND)
Vdc (GND)
GND (Vdc)
GND (Vdc)
Figure 6-43: Discrete inputs - alarm/control inputs - operation logic
Figure 6-43: Discrete inputs - alarm/control inputs - operation logic