Dataq DI-2108 - 4-20 Ma Current Loop Measurements

DI-2108 Hardware Manual
Controls, Indicators, and Connections
23
4-20mA Current Loop Measurements
Use the following diagram for 4-20mA current loop measurement connections.
The shunt resistor should be placed on the low side of the circuit as shown below:
Status
D0 D1 D2 D3 D4 D5 D6
Model DI-2108
USB
Button
+5V GnD
CH8
CH7CH6
CH5CH4CH3CH2CH1
±100V Max
0-25V Max
CountRateRecordEvent
Drive
www.dataq.com
±10V F.S.
Shunt Resistor
Model R250
+
-
4-20 mA
current source

Shunt Resistor
I
4-20mA
Current Loop
Transmitter
Loop Power
Supply
To DI-2108
Analog Input Channel
+
-
+
-