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Data Acquisition Using LabVIEW

You're reading from  Data Acquisition Using LabVIEW

Product type Book
Published in Dec 2016
Publisher Packt
ISBN-13 9781782172161
Pages 150 pages
Edition 1st Edition
Languages
Author (1):
Yik Yang Yik Yang
Profile icon Yik Yang

Table of Contents (18) Chapters

Data Acquisition Using LabVIEW
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Preface
1. LabVIEW Basics 2. Most Common Communication Buses 3. Using the DAQ Assistant to Automatically Generate LabVIEW Code 4. DAQ Programming Using LabVIEW 5. Debugging Techniques 6. Real-World DAQ Programming Techniques 7. Real-Time Issues 8. DAQ at a Distance - Network and Distributed Systems 9. Alternate Software for DAQ 10. Non-National Instrument Devices DAQ 11. LabVIEW and Simple Microcontrollers

Power Supply Voltage Steps: Revision 1


In this revision of the Power Supply Voltage Steps example, we will accomplish three tasks:

  • We will create a SUB VI to collect voltages from an oscilloscope

  • We will add condition selections such that the blank array elements are removed

  • We will add code to display measured voltage as opposed to set voltages

To create a SUB VI that will use the oscilloscope to display the measured voltages that the power supply puts out, we will do the following:

  1. From the Tektronix functions pallet, choose and place "Initialize.vi" and "Read Measurement.vi" on a Block Diagram of a new VI.

  2. Connect a Boolean False to the "Reset" input of the Initialize.vi.

  3. Connect serial input and output VISA as in the following diagram.

  4. Right click on the "Measurement Type" input of the measurement type VI and choose "Mean" from the drop-down menu.

  5. Create a SUB VI and save all:

With this SUB VI in place, we can modify the original VI to implement parts 2 and 3.

There are four main changes needed...

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