DSE7110 & DSE7120 Operator Manual
8
3.5
INPUTS
3.5.1
DIGITAL INPUTS
Number
4
Arrangement
Contact between terminal and ground
Low level threshold
40% of DC supply voltage
High level threshold
60% of DC supply voltage
Maximum input voltage
DC supply voltage positive terminal
Minimum input voltage
DC supply voltage negative terminal
Contact wetting current
2.5mA @12V typical
5mA @ 24V typical
Open circuit voltage
Plant supply
3.5.2
ANALOGUE INPUTS
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
240
Ω
Over range / fail
350
Ω
Resolution
1-2 PSI (0.1 Bar)
Accuracy
±2% of full scale resistance (±4.8
Ω
) excluding transducer error
Max common mode voltage
±2V
Display range
0-200 PSI (13.7 bar) subject to limits of the sensor
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
480
Ω
Over range / fail
2k
Ω
(2000
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) Depending on sensor
Flexible Sensor
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%
Accuracy
±2% of full scale resistance (±9.6
Ω
) excluding transducer error
Max common mode voltage
±2V
Display range
0-250%
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