National Instruments Network Device DAQ S User Manual
Page 72

Chapter 6
Digital I/O
© National Instruments Corporation
6-13
Figure 6-6. Isolated S Series Device Digital I/O Signal Connections
Caution
Exceeding the maximum input voltage ratings, which are listed in the NI 6154
Specifications, 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 on Isolated Devices
(NI 6154 Only)
You can use isolated S Series 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 Help in version 8.0 or later.
Isolated S Series Device
+5 V
LED
TTL Signal
+5 V
Switch
I/O Connector
D GND
PFI <0..5>/P0.<0..5>
PFI <6..9>/P1.<0..3>
Digital
Isolators
Isolation
Barrier