National Instruments NI 6225 - Getting Started with DIO Applications in Software

Chapter 6 Digital I/O
M Series User Manual 6-10 ni.com
Figure 6-4. Digital I/O Connections
Caution
Exceeding the maximum input voltage ratings, which are listed in the
specifications document for each M Series device, can damage the DAQ device and the
computer. NI is not liable for any damage resulting from such signal connections.
Getting Started with DIO Applications in Software
You can use the M Series device 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 in version 8.0 or later.
+5
V
LED
TTL Signal
+5 V
Switch
I/O Connector
D GND
M Series Device
P1.<0..3>
P1.<4..7>