Figure 3.
Increasing the Current to a Device Connected to the NI 9475
NI 9475
DO3
DO1
DO0
DO2
4 A
+
_
COM
1 A
1 A
1 A
1 A
External
Power
Supply
De
vice
V
sup
I/O Protection
The NI 9475 provides overcurrent protection.
Each channel has circuitry that protects it from current surges
resulting from short circuits, as described in the following table.
14
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NI 9475 Getting Started Guide
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