Coolant Temperature And Oil Pressure Inputs; Figure 3-14A. Wiring Diagram For Pressure Inputs - Woodward EGCP-2 Installation Manual

EGCP-2 Engine Generator Control Package

Coolant Temperature and Oil Pressure Inputs

The EGCP-2 has one analog input dedicated to sense engine coolant
temperature and one analog input dedicated to sense engine oil pressure. These
inputs are optional and once connected-to can be configured to protect the
engine by causing a system soft shutdown, hard shutdown, or alarm. To disable
these inputs set all related Shutdown/Alarm settings to their "disabled" state.
These inputs can be DIP switch configured to be compatible with 0–200 Ω
sensors, 4–20 mA transducers, or 0–5 Vdc transducers. Depending on where a
0–200 Ω sensor's linear range is, this input can also be DIP switch configured to
vary sensor loading which will move the sensor output into the most linear part of
its range. Refer to Figure 3-4 for DIP switch location and to Figure 3-14 for input
wiring schematics.
Temperature and Pressure Input Ratings
Number of Channels:
Loop Voltage Source:
+
68
Oil Pressure
Sensor
Input
-
69
Input 4-20mA
SW1-1 Open
SW1-2 Closed
SW1-3 Open
SW1-4 Open
28
2
Internal
Input Impedance: Switch Dependant (refer to Figure 3-14)
+12 Vdc
SW 1-2
249
1-5 Volt 200 Ohm
Sensor
Open Closed
Open Open
Open
X
Open
X

Figure 3-14a. Wiring Diagram for Pressure Inputs

537.5
SW1-1
R
SW1-3 SW1-4
100 100
X - May be closed to insert 100 ohm shunt
resistors required to make certain 0-200
ohm transducers more linear.
DO NOT CLOSE FOR VOLTAGE OR
CURRENT INPUTS.
Manual 26076
R
C
R
VIS-050a
00-08-24
Woodward