Specification
057-230 ISSUE: 1
Page 14 of 100
2.8 INPUTS
2.8.1
DIGITAL INPUTS
Number
6 configurable digital inputs
(10 when Analogue Inputs are configured as digital inputs)
Arrangement
Contact between terminal and ground
Low Level Threshold
3.2 V minimum
High Level Threshold
8.1 V maximum
Maximum Input Voltage
+60 V DC with respect to plant supply negative
Minimum Input Voltage
-24 V DC with respect to plant supply negative
Contact Wetting Current
6 mA typical
Open Circuit Voltage
15 V typical
2.8.2
ANALOGUE INPUTS
2.8.2.1
OIL PRESSURE
Measurement Type
Resistance measurement by measuring voltage across sensor with a
fixed current applied
Arrangement
Differential resistance measurement input
Measurement Current
11 mA ±10 %
Full Scale
240
Over Range / Fail
270
Resolution
0.1 Bar (1-2 PSI)
Accuracy
±2 % of full scale resistance (±4.8
) excluding transducer error
Max Common Mode Voltage
±2 V
Display Range
0 bar to 17.2 bar (0 PSI to 250 PSI) subject to limits of the sensor
2.8.2.2
COOLANT TEMPERATURE
Measurement Type
Resistance measurement by measuring voltage across sensor with a
fixed current applied
Arrangement
Differential resistance measurement input
Measurement Current
11 mA ±10 %
Full Scale
480
Over Range / Fail
540
Resolution
1
C (2 °F)
Accuracy
+/-2 % of full scale resistance (±9.6
) excluding transducer error
Max Common Mode Voltage
±2 V
Display Range
0
C to 250
C (32 °F to 482 °F) subject to limits of the sensor
