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Contents
NI PCI-8254R User Manual viii ni.com
Considerations When Connecting the Digital I/O.........................................................2-12
Wiring an Isolated Input to a Sourcing Output Device...................................2-12
Wiring an Isolated Output to an External Load.............................................. 2-13
Protecting Inductive Loads .............................................................................2-14
Transmission Line Effects .............................................................................. 2-15
Chapter 3
Signal Connections
Connectors.....................................................................................................................3-2
2-Position Isolated Outputs Power Connector................................................ 3-2
IEEE 1394a Connector....................................................................................3-3
General-Purpose Digital I/O ...........................................................................3-3
Cabling ..........................................................................................................................3-8
IEEE 1394 Camera Cables..............................................................................3-8
I/O Terminal Block.........................................................................................3-8
NI Vision I/O Terminal Block and Prototyping Accessory............................ 3-9
Power Requirements...................................................................................................... 3-9
Isolated Outputs Power Connector ................................................................. 3-9
Appendix A
Technical Support and Professional Services
Glossary
Index