© National Instruments | 2-21
NI 6612 User Manual
Figure 2-17. Digital I/O Connections
Caution Exceeding the maximum input voltage ratings, which are listed in the
specifications document for each NI 6612 device, can damage the device and the
computer. NI is not liable for any damage resulting from such signal connections.
Getting Started with DIO Applications in
Software
The NI 6612 can be used in the following digital I/O applications:
• Static digital input
• Static digital output
• Digital waveform generation
• Digital waveform acquisition
• DI change detection
Note For more information about programming digital I/O applications and
triggers in software, refer to the NI-DAQmx Help or the LabVIEW Help.
The device uses the NI-DAQmx driver. NI-DAQmx includes a collection of programming
examples to help you get started developing an application. You can modify example code and
save it in an application. You can use examples to develop a new application or add example
code to an existing application.
+5 V
LED
TTL Signal
+5 V
Switch
I/O Connector
D GND
Device
P1.<0..3>
P1.<4..7>
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