Winco DSE7300 Series - Manual (Page 14)

DSE7200 / 7300 Series Operators Manual
14
3.8 INPUTS
3.8.1 DIGITAL INPUTS
Number
DSE7200 6
DSE7300 8
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
3.8.2 ANALOGUE INPUTS
3.8.2.1 OIL PRESSURE
Measurement type
Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 15mA
Full scale 240Ω
Over range / fail 270Ω
Resolution 1-2 PSI / 0.1 Bar
Accuracy ±2% of full scale resistance (±4.8Ω) excluding transducer error
Max common mode
voltage ±2V
Display range 0-200 PSI / 13.7 bar subject to limits of the sensor
3.8.2.2 COOLANT TEMPERATURE
Measurement type
Resistance measurement by measuring voltage across sensor with a fixed current
applied
Arrangement Differential resistance measurement input
Measurement current 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 Depending on sensor