1. Programming in LabVIEW
Dr. Maria Princz
University of Debrecen, Hungary
Faculty of Engineering,
Basic Technical Studies Department
          

2. National Instruments
Producer of automated test equipment and virtual instrumentation software.
Headquarter: Austin, Texas
Founded: 1976
Branch offices are in more than 90 countries.
2002 – NI opened first overseas manufacturing facility in Debrecen.
National Instruments software products include LabVIEW.

3. LabVIEW (Laboratory Virtual Instrument Engineering Workbench)
design platform and development environment for a visual programming language
introduction in 1986
LabVIEW is commonly used for
data acquisition
instrument control
industrial automation.
different platforms (including Microsoft Windows, various versions of UNIX, Linux, and Mac OS X)

4. Advantages of LabVIEW
easy-to-use, interactive, graphical programming language
broad engineering tool
LabVIEW has built-in measurement and analysis functionality to provide students with a hands-on learning experience
LabVIEW provides open connectivity to leading engineering tools such as Multisim, Mathcad, Mathematica, Excel, and more
easy to learn and teacher can focus more of her/his time on teaching theory, and less on teaching programming
widely used in industry

5. Text-based programming languages
Comparison
LabVIEW
Text-based programming languages
icons
lines of text
dataflow programming (flow of data determines execution order)
control flow programming (sequential order of program elements)

6. LabVIEW LabVIEW programs called virtual instruments (VIs).
Each VI has three components: a block diagram, a front panel and a connector panel.

7. Data Types in LabVIEW

8. Three Types of Functions

9. Debugging Techniques

10. Elements of Typical Programs
Loops
While Loop
For Loop
Decision Making
Select (simple if statment)
Case Structure
Functions and SubVIs
3 Types of functions (from the Function Palette)
Creating SubVIs

11. Loops

12. Shift Register – Access Previous Loop Data
Shift registers transfer data from one iteration to the next:

13. How Do I Make Decisions in LabVIEW?

14. Creating SubVIs

15. LabVIEW Functions and SubVIs Operate Like Functions in Other Languages

16. Thank you for your attention.

18. Virtual Instrumentation Applications

19. LabVIEW
LabVIEW is a graphical programming language that uses icons instead of lines of text to create applications.
In contrast to text-based programming languages, where instructions determine program execution, LabVIEW uses dataflow programming, where the flow of data determines execution order.

20. File I/O

21. Local Variables