DSE Model 8620 AMF Controller Operators Manual
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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 240Ω
Over range / fail 270Ω
Resolution 0.1 Bar (1-2 PSI)
Accuracy ±2% of full scale resistance (±4.8Ω) 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 480Ω
Over range / fail 540Ω
Resolution 1°C (2°F)
Accuracy +/-2% of full scale resistance (±9.6Ω) 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 480Ω
Over range / fail 540Ω
Resolution 1°C (2°F)
Accuracy +/-2% of full scale resistance (±9.6Ω) excluding transducer error
Max common mode
voltage
±2V
Display range 0-250%