National Instruments NI 6602 User Manual page 6

Contents
Chapter 3
Signal Connections
Programmable Function Interfaces (PFIs)..................................................................... 3-1
Digital Filtering ............................................................................................................. 3-1
Power-On State.............................................................................................................. 3-3
Pin Assignments ............................................................................................................ 3-3
I/O Connector Pinout..................................................................................................... 3-5
Outputs .......................................................................................................................... 3-8
Counters......................................................................................................................... 3-10
Counter n Source Signal ................................................................................. 3-10
Counter n Gate Signal ..................................................................................... 3-12
Counter n Auxiliary Signal ............................................................................. 3-13
Counter n Internal Output Signal .................................................................... 3-14
Hardware Arm Start Triggers ......................................................................... 3-14
Counter Pairs................................................................................................... 3-15
Counter Applications ...................................................................................... 3-15
Real-Time System Integration Bus ............................................................................... 3-16
RTSI Triggers ................................................................................................. 3-16
+5 V Power Source........................................................................................................ 3-17
I/O Signals ..................................................................................................................... 3-18
Field Wiring Considerations ........................................................................... 3-18
Noise ............................................................................................................... 3-18
Crosstalk.......................................................................................................... 3-19
Inductive Effects ............................................................................................. 3-20
Transmission Line Effects .............................................................................. 3-22
Appendix A
Technical Support and Professional Services
Glossary
Index
NI 660x User Manual
Counter Source to Counter Out Delay.............................................. 3-12
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