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An Overview of LabVIEW

An Overview of LabVIEW . by: The Software User-Interface Group!. What is LabVIEW?. A graphical programing language from National Instruments LabVIEW=Laboratory Virtual Instrumentation Engineering Workbench

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An Overview of LabVIEW

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  1. An Overview of LabVIEW • by: The Software User-Interface Group!

  2. What is LabVIEW? • A graphical programing language from National Instruments • LabVIEW=Laboratory Virtual Instrumentation Engineering Workbench • “Takes low level hardware commands and turns them into easy-to-understand, high-level functions” • A leader in instrument control, hardware interfaces, data analysis, user-interface, measurement, and automation

  3. Advantages • good for building piecewise: using small amounts of code in a larger code • visually programing is easier to learn • better than MATLAB for controlling the interfaces between hardware • NI has many pieces of hardware that are easily compatible with LabVIEW, but also can be connected to any hardware • simpler system integration for all types of hardware and their corresponding software • Easy to create the user-interface at the same time

  4. What does it look like?

  5. VI / Car Analogy • LabVIEW programs are called VIs - Virutal Instruments • They include the Front Panel and the Block Diagram • Front Panel is like a driver’s cockpit: controls inputs, shows outputs, and connects to the engine - User Interface • Block Diagram is like the engine of a car: allows it to function and connects everything together - Behind the Scenes

  6. Front Panel and Block Diagram Front Panel Block Diagram Built with controls (inputs) and indicators (outputs) Contains graphical source code

  7. Data Flow • LabVIEW uses a data flow method to visualize programming in the block diagram Includes: Constants Functions Wires Structures Terminals

  8. Approach With Hardware Open the connection to the hardware Configure hardware settings Read and write measured data to and from hardware Close connection to hardware

  9. Resources • Both software groups • Carl Salvaggio • Troy McKay • Find -> Examples button • Online tutorials at ni.com/labview , click on support, click on tutorials

  10. How to Access LabVIEW • LabVIEW is downloaded onto one computer in our lab • Click on LabVIEW icon on desktop

  11. Example!

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