Contents
SCXI-1502 User Manual
vi
ni.com
Chapter 4
Theory of Operation
Rear Signal Connector, SCXIbus Connector, and SCXIbus Interface.......................... 4-3
Digital Control Circuitry ............................................................................................... 4-3
Analog Circuitry ............................................................................................................ 4-3
Analog Input Channels.................................................................................... 4-3
Theory of Multiplexed Operation.................................................................................. 4-4
Chapter 5
Using the SCXI-1502
Developing Your Application in NI-DAQmx ............................................................... 5-1
Typical Program Flowchart ............................................................................ 5-1
General Discussion of Typical Flowchart....................................................... 5-3
Creating a Task Using DAQ Assistant or Programmatically ........... 5-3
Adjusting Timing and Triggering..................................................... 5-3
Configuring Channel Properties ....................................................... 5-4
Acquiring, Analyzing, and Presenting.............................................. 5-7
Completing the Application.............................................................. 5-7
Developing an Application Using LabVIEW ................................................. 5-7
Using a NI-DAQmx Channel Property Node in LabVIEW ............. 5-9
Specifying Channel Strings in NI-DAQmx .................................................... 5-10
Text Based ADEs ............................................................................. 5-10
Programmable NI-DAQmx Properties ............................................. 5-12
Calibration ..................................................................................................................... 5-13
Internal/Self-Calibration ................................................................................. 5-13
External Calibration ........................................................................................ 5-13
Appendix A
Specifications
Appendix B
Removing the SCXI-1502
Appendix C
Common Questions