National Instruments SCXI-1161 User Manual page 5

Table of Contents
Chapter 3
Signal Connections
Screw Terminal Connections ....................................................................................... 3-1
Contact Protection for Inductive Load Connections .................................................... 3-1
Signal Connection .......................................................................................... 3-4
Rear Signal Connector.................................................................................................. 3-4
Rear Signal Connector Signal Descriptions ................................................................. 3-6
Digital I/O Signal Connections ...................................................................... 3-7
Chapter 4
Theory of Operation
Functional Overview .................................................................................................... 4-1
Digital Interface............................................................................................................ 4-3
Digital Control Circuitry .............................................................................................. 4-4
Relay Channels............................................................................................................. 4-5
Appendix A
Specifications
Appendix B
Contact Protection
Appendix C
Customer Communication
Glossary
Index
Figures
Figure 1-1.
Figure 2-1.
Figure 3-1.
Figure 3-2.
SCXI-1161 User Manual
The Relationship between the Programming Environment,
NI-DAQ, and Your Hardware ............................................................... 1-4
SCXI-1161 General Parts Locator Diagram ......................................... 2-2
Contact Protection Using a Flyback Diode for DC Inductive Loads ... 3-2
Arc Suppressor Pad Locations .............................................................. 3-3
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