Wiring Signals
High Voltage Channel
– Sense
+Sense
4
3
2
1
Shield
+
Ω
250
±20 mA
shunt resistor
28 V (can be up to ±500 V)
Load
–
In this example, the input range is ±10 V.
Figure 18: Connecting a Current Loop Input to a High Voltage Channel to Measure ±20 mA
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