National Instruments NI 6238 - Manual (Page 65)

Chapter 6 Digital Input and Output
NI 6238/6239 User Manual 6-4 ni.com
Getting Started with DIO Applications in Software
You can use NI 6238/6239 devices in the following digital I/O applications:
• Static digital input
• Static digital output
Note For more information about programming digital I/O applications and triggers in
software, refer to the NI-DAQmx Help or the LabVIEW 8.x Help.
Table 6-1. NI 6238/6239 Logic Conventions
Device
Logic
0 1
NI 6238 (Source) P1.GND P1.VCC
NI 6239 (Sink) P1.VCC P1.GND