DAQ VXI-SC-1000, User Manual

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Table of Contents
VXI-SC-1102 User Manual vi © National Instruments Corporation
Chapter 4
Theory of Operation
Functional Overview .................................................................................................... 4-1
VXIbus Interface .......................................................................................................... 4-2
Digital Control Circuitry .............................................................................................. 4-2
Analog Circuitry ........................................................................................................... 4-3
Analog Input Channels................................................................................... 4-3
Analog Output................................................................................................ 4-3
Chapter 5
Calibration
Calibration Equipment Requirements .......................................................................... 5-1
Gain and Offset Calibration.......................................................................................... 5-2
Sample Program for Calibration................................................................................... 5-4
Appendix A
Specifications
Appendix B
Customer Communication
Glossary
Index
Figures
Figure 1-1. VXI Signal Conditioning System.......................................................... 1-1
Figure 1-2. The Relationship between the Programming Environment, Your
Instrument Driver, and Your VXI-DAQ Hardware .............................. 1-5
Figure 2-1. VXI-SC-1102 Parts Locator Diagram ................................................... 2-2
Figure 2-2. Bent and Trimmed Resistor................................................................... 2-3
Figure 3-1. VXI-SC-1102 Front Connector Pin Assignments ................................. 3-2
Figure 3-2. Ground-Referenced Signal Connection................................................. 3-5
Figure 3-3. Floating Signal Connection Referenced to Chassis Ground ................. 3-6