DIO 3
GND
DIO 2
GND
DIO 0
GND
DIO 1
GND
Signal
Description
DIO
Digital input/output signal connection
GND
Ground connection
Table 1. Signal Descriptions
Connecting Digital Devices to the NI-9402
You can connect digital devices to the NI-9402.
Figure 1. Connecting Digital Devices to the NI-9402
+3.3 V
+5 V
DIO0 as Input
DIO1 as Input
DIO2 as Output
NI 9402
LED
Switch
TTL Signal
I/O Protection
The NI-9402 provides I/O protection for each channel.
Where to Go Next
© National Instruments
7
NI-9402 Getting Started
