Procom DGC-1010, Руководство по эксплуатации

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2.4 INPUTS
2.4.1 Digital Inputs
Number 8 fully configurable
Arrangement Connection to Ground
Polarity Programmable as Normally Open or Closed
Low Level Threshold <0.7 V
Max Input Voltage +40V
Min Input Voltage -40V
Contact Wetting Current 1ma
Open Circuit Voltage 3V
2.4.2 Analog Input
2.4.2.1 Coolant Temperature and Fuel
Measurement Type Resistance measurement by measuring voltage across sensor with
a fixed current applied
Arrangement Differential resistance measurement input
Measurement Current 13 mA independent of System Voltage
Full scale 600 Ohms
Resolution Fuel 1%
Temperature 1°
Accuracy <1% of Full scale ± 4 Ω excluding transducer errors
Max Common Mode
Voltage
0.5V
Display Range Depends upon the sensor selected.
(Sensor can be selected from pre-programmed sensors or user can
program sensor data)
2.4.2.2 Pressure Sensor : Resistive type sensors or 4-20mA sensor interface
Measurement Type Programmable

Resistance measurement by measuring voltage across
sensor with a fixed current applied

4-20 mA output sensors
Arrangement Resistive : Differential resistance measurement input
4-20 mA : Burden of 100 Ω
Measurement Current Resistive : 13 mA independent of System Voltage
Full scale 600 Ohms
Resolution 0.1 bar
Accuracy Resistive :< 1% of Full scale ± 4 Ω excluding transducer errors
4-20mA: 2% of full scale excluding transducer error
Max Common Mode Voltage 0.5V
Display Range
Depends upon the sensor selected.
(Sensor can be selected from pre-programmed sensors or user can
program sensor data for resistive sensor)