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