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LabVIEW Crash Course Presented by:.

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1 LabVIEW Crash Course Presented by:

2 Goals of Crash Course Become Familiar with the Interface
Become Familiar with Basic Commands Become Familiar with Basic Elements

3 Crash Course Parts Section 1: Introduction Presentation
Section 2: Worksheet

4 What is LabVIEW? Laboratory Virtual Instrumental Engineering Workbench
LabVIEW is a graphical language It works just like block diagrams LabVIEW consists of two environments Backpanel/Block Diagram Frontpanel -1986 for Apple Macintosh -Understanding block diagram programming important – seen in real world

5 Back Panel This is where you build your Programs
All blocks and programming elements go here

6 Block Explanation Blocks are called VIs
VIs come in a variety of shapes and sizes VIs are connected to each other by wires VI= virtual instruments Signal Simulator -> String -> ???? -> Adder

7 Block Explanation VIs are setup so data moves from left to right
Each data type has its own wire color Constants, Controls, Variables and Indicators have the same color scheme Formatting Inputs Outputs Formatting?? Integers are blue, double precision floating numbers are orangish, etc Data Flow

8 Block Diagram Execution Order Can be a Problem 2 0 or 6?
2 Since all programming 0 or 6?

9 Block Diagram Execution Order Can be a Problem
Solve with Sequence Structures or Data Flow Right Click =>Structures => Flat Sequence => For Loop, While Loop, Timed Structure, ETC

10 Express VIs Automate Frequently used operations
Will be used to generate signals Right click =>Express=> Input => simulate sig

11 Debugging If you’re unsure how to use a VI use ctrl-H for context help
LabVIEW contains several example VIs Keep an eye on what data types you use Ctrl-H is a lifesaver

12 Debugging Debugging Highlights Data Flow
You can also use the Error Data Type Will actually trace way through program

13 Front Panel This is where your programs will output to
There is no zoom function – what you see is what you get

14 Front Panel Objects placed on the Front Panel will create icons in the back panel for the VI to manipulate

15 Advanced Topics Loops, case structures, comments, variables, sub-programs and just about every other Comp-Sci term can be implemented in LabVIEW There is text programming in LabVIEW For more info visit NI’s website

16 Hints Work on the back panel first
Don’t cross wires – Keep the diagram clean If in doubt: right-click Careful with the wires, you can quickly mess up there Right click can get you back on track

17 Shortcuts Ctrl-B -Remove Broken Wires Ctrl-R -Run VI
Ctrl-E -Change Environment Ctrl-T -Tiled View Ctrl-H -Show Icon Help Ctrl-(drag) -Copy to Location Shift-(Right Click) -Call Cursor Palette

18 Other Resources LabVIEW for Dummies

19 Worksheet Time!

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