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Contents
DAQCard-700 User Manual vi © National Instruments Corporation
Differential Connection Considerations (DIFF Configuration) ............. 3-8
Differential Connections for Grounded Signal Sources ............ 3-9
Differential Connections for Floating Signal Sources ............... 3-10
Common-Mode Signal Rejection Considerations...................... 3-11
Digital I/O Signal Connections .......................................................................... 3-12
Power Connections ............................................................................................ 3-13
Timing Connections ........................................................................................... 3-14
Data Acquisition Counter and Timing Connections .............................. 3-14
General-Purpose Counter and Timing Signal Connections ................... 3-14
Cabling ........................................................................................................................... 3-18
Chapter 4
Theory of Operation
.......................................................................................................... 4-1
Functional Overview ...................................................................................................... 4-1
PCMCIA I/O Channel Interface Circuitry ..................................................................... 4-2
Analog Input and Data Acquisition Circuitry ................................................................ 4-3
Analog Input Circuitry ....................................................................................... 4-4
Data Acquisition Timing Circuitry .................................................................... 4-5
Single-Channel Data Acquisition........................................................... 4-5
Multichannel (Scanned) Data Acquisition ............................................. 4-5
Data Acquisition Rates........................................................................... 4-6
Digital I/O Circuitry ....................................................................................................... 4-7
Timing I/O Circuitry ...................................................................................................... 4-8
Appendix A
Specifications
....................................................................................................................... A-1
Appendix B
Differences between the PC-LPM-16 and the DAQCard-700
............................ B-1
Appendix C
PC Card Questions and Answers
.................................................................................. C-1
Appendix D
Power-Management Modes
............................................................................................. D-1
Appendix E
Customer Communication
............................................................................................... E-1
Glossary
...................................................................................................................... Glossary-1
Index
................................................................................................................................. Index-1