Datakom D-500, User Manual

Page: 22 / 153

D-500 User Manual Rev_06 Firmware V-5.8
K35D05-EN - 22 -
Number of inputs: 8 inputs, all configurable
Function selection: from list
Contact type: Normally open or normally closed (programmable)
Switching: Battery negative or battery positive (programmable)
Structure: 47 k-ohms resistor to battery positive, 110k-ohms to battery negative.
Measurement: Analog voltage measurement.
Open circuit voltage: 70% of battery voltage
Low level threshold: 35% of battery voltage
High level threshold: 85% of battery voltage
Maximum input voltage: +100VDC with respect to battery negative
Minimum input voltage: -70VDC with respect to battery negative
Noise filtering: yes
Number of inputs: 4 inputs, all configurable, additional sender ground input
Function selection: from list
Structure: 667 ohms resistor polarizing to 3.3VDC
Measurement: Analog resistor measurement.
Open circuit voltage: +3.3VDC
Short circuit current: 5mA
Measurement range: 0 to 5000 ohms.
Open circuit threshold: 5000 ohms.
Resolution: 1 ohms @ 300 ohms or lower
Accuracy:
2 %+1 ohm (±7 ohms @300 ohms)
Common mode voltage
range:
± 3VDC
Noise filtering: yes
3.5. ANALOG SENDER INPUTS AND SENDER GROUND
3.4. DIGITAL INPUTS