NI 9403 Operating Instructions and Specifications
8
ni.com
Refer to Fig
u
re 2 for an ill
u
stration of several types of digital
devices connected to the NI 9403.
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
Dev 3
Dev 2
Dev 1