National Instruments NI 9403, Руководство по началу работы

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Figure 2. Connecting Digital Devices to the NI 9403
TTL Signal
+5 V
+5 V
LED
DIO0 as Input
DIO1 as Input
COM
DIO2 as Output
NI 9403 Device 3
Device 2
Device 1
You can independently configure each DIO channel in software
for input or output.
Overcurrent/Short-Circuit Protection
The overcurrent protection allows only a specified amount of
current through the output channels to protect the NI 9403 from
short circuits. If the NI 9403 goes into an overcurrent state, the
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