LabVIEW Introduction

LabVIEW Introduction - Virtual Instrumentation With LabVIEW...

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Virtual Instrumentation With LabVIEW
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Course Goals Understand the components of a Virtual Instrument Introduce LabVIEW and common LabVIEW functions Build a simple data acquisition application Create a subroutine in LabVIEW Work with Arrays, Clusters, and Structures Learn About Printing & Documentation Features Develop in Basic Programming Architectures
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Section I LabVIEW terms Components of a LabVIEW application LabVIEW programming tools Creating an application in LabVIEW
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Front Panel Controls = Inputs Indicators = Outputs Block Diagram Accompanying “program” for front panel Components “wired” together LabVIEW Programs Are Called Virtual Instruments (VIs)
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VI Front Panel Front Panel Toolbar Graph Legend Boolean Control Waveform Graph Icon Plot Legend Scale Legend
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VI Block Diagram Wire Data Graph Terminal SubVI While Loop Structure Block Diagram Toolbar Divide Function Numeric Constant Timing Function Boolean Control Terminal
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Express VIs, VIs and Functions Express VIs : interactive VIs with configurable dialog page Standard VIs : modularized VIs customized by wiring Functions: fundamental operating elements of LabVIEW; no front panel or block diagram Express VI Express VI Standard VI Standard VI Function Function
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Controls and Functions Palettes Controls Palette (Front Panel Window) Functions Palette (Block Diagram Window)
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Operating Tool Positioning/Resizing Tool Labeling Tool Wiring Tool Shortcut Menu Tool Floating Palette Used to operate and modify front panel and block diagram objects. Scrolling Tool Breakpoint Tool Probe Tool Color Copy Tool Coloring Tool Tools Palette Automatic Selection Tool
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Run Button Continuous Run Button Abort Execution Pause/Continue Button Text Settings Align Objects Distribute Objects Reorder Resize front panel objects Execution Highlighting Button Step Into Button Step Over Button Step Out Button Additional Buttons on the Diagram Toolbar Status Toolbar
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Open and Run a Virtual Instrument Example finder
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Control Terminals Block Diagram Window Front Panel Window Indicator Terminals Creating a VI
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Creating a VI – Block Diagram
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Wiring Tips – Block Diagram Wiring “Hot Spot” Clean Up Wiring Use Automatic Wire Routing Click To Select Wires
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Block diagram executes dependent on the flow of data; block diagram does NOT execute left to right Node executes when data is available to ALL input terminals Nodes supply data to all output terminals when done Dataflow Programming
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Help Options Context Help Online help Lock help Simple/Complex Diagram help Ctrl + H Online reference All menus online Pop up on functions in diagram to access online info directly
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Exercise 1 - Convert °C to °F
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Debugging Techniques Finding Errors Execution Highlighting Probe Click on broken Run button
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LabVIEW Introduction - Virtual Instrumentation With LabVIEW...

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