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DSE Model 8620 AMF Controller Operators Manual
13
3.6 INPUTS
3.6.1 DIGITAL INPUTS
Number
11 configurable inputs
Arrangement
Contact between terminal and ground
Low level threshold
2.1V minimum
High level threshold
6.6V maximum
Maximum input voltage
+50V DC with respect to plant supply negative
Minimum input voltage
-24V DC with respect to plant supply negative
Contact wetting current
7mA typical
Open circuit voltage
12V typical
3.6.1 ANALOGUE INPUTS
Oil Pressure (Configurable if engine ECU link provides oil pressure measurement)
Measurement type
Resistance measurement by measuring voltage across sensor with a fixed
current applied
Arrangement
Differential resistance measurement input
Measurement current
15mA
Full scale
240
Ω
Over range / fail
270
Ω
Resolution
0.1 Bar (1-2 PSI)
Accuracy
±2% of full scale resistance (±4.8
Ω
) excluding transducer error
Max common mode voltage
±2V
Display range
13.7 bar (0-200 PSI) subject to limits of the sensor
Coolant Temperature (Configurable if engine ECU link provides coolant temp measurement)
Measurement type
Resistance measurement by measuring voltage across sensor with a fixed current applied
Arrangement
Differential resistance measurement input
Measurement current
10mA
Full scale
480
Ω
Over range / fail
540
Ω
Resolution
1
°
C (2°F)
Accuracy
+/-2% of full scale resistance (±9.6
Ω
) excluding transducer error
Max common mode
voltage
±2V
Display range
0
°
C -140
°
C (32°F - 284°F) subject to limits of the sensor
Fuel Level
Measurement type
Resistance measurement by measuring voltage across sensor with a fixed current applied
Arrangement
Differential resistance measurement input
Measurement current
10mA
Full scale
480
Ω
Over range / fail
540
Ω
Resolution
1
°
C (2°F)
Accuracy
+/-2% of full scale resistance (±9.6
Ω
) excluding transducer error
Max common mode
voltage
±2V
Display range
0-250%