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© National Instruments Corporation ix NI 1450 Series Compact Vision System User Manual
Pulse Width.......................................................................................4-5
Trigger Polarity.................................................................................4-5
Quadrature Encoder.........................................................................................4-6
Product Selection Port.....................................................................................4-7
Using ISO Input 5 as a Latch............................................................4-7
General-Purpose I/O........................................................................................4-8
General-Purpose Inputs.....................................................................4-8
General-Purpose Outputs..................................................................4-8
Fault Conditions ..............................................................................................4-9
Shutdown.........................................................................................................4-9
Disabling Shutdown Mode................................................................4-10
Watchdog.........................................................................................................4-10
Overheat ..........................................................................................................4-11
Considerations When Connecting the Digital I/O...........................................4-11
Wiring an Isolated Input to a Sourcing Output Device.....................4-11
Wiring an Isolated Output to an External Load................................4-12
Protecting Inductive Loads ...............................................................4-13
Transmission Line Effects ................................................................4-13
Typical System Setup......................................................................................4-14
Chapter 5
Deployment
Connecting Multiple NI 1450s ......................................................................................5-1
Appendix A
Troubleshooting
Appendix B
Specifications
Appendix C
Technical Support and Professional Services
Glossary
Index