lab 1 : introduction to labview 1 southern methodist university bryan rodriguez

Lab 1 :

Introduction to LabView

1Southern Methodist University Bryan Rodriguez

Objectives

• To learn about and experiment with the LabView software

• To create your own LabView VI


Part I :

Intro to Labview VIs


Double click the LabView shortcut icon on the desktop to open LabView


This is what you should see


We will begin by looking at one of the LabView example Vis •Highlight: 3-Making Digital Images > 3-01 Image Quantization > 2- Image Quantization – Color

•Then, Press the upper Green Arrow


Toolbar Buttons

1 2 3 4 5

1- Run2- Run continuous3- Stop4- Pause5- Highlight Execution (Available in Block Diagram)



Press “Run” to start VI


On the toolbar press Window > Show Block Diagram

This shows how everything is connected and working together


•To see details about certain block simply click on the block and it will show in the “Context Help” window

•To see where something is located just Double click


Press “Highlight Execution” then “Run” to see what is happening


Part II :

Make your own VI


Click on “On My Computer” then press the green arrow


You should see this which is the front panel and is used as the user interface (buttons, knobs, display screens, etc)


Right click to see interface features you can add to your project

Displays, Inputs, gauges , etc


Southern Methodist University Bryan Rodriguez 16

•Right click and you will see the Control panel•These are the user interfaces you can add to your project

-To lock this panel in place click the push pin in the upper left corner


We will begin by looking at the numeric controls shown below


•By adding these elements we can use them as inputs and outputs for the user•Once added they will also appear on the block diagram to be connected

Let’s do an example:Add 2 numeric inputs and a numeric output


Go to the Block Diagram and verify you have 2 inputs and 1 output (Display)


Right click to see operations that you can perform


•Under “Math” add the “Addition” block

•Connect wires but clicking the arrow on a block and then clicking the arrow on the piece to be connected

•Connect like below



Right click and add a while loop by dragging a box around what you just built


•This loop will run continuously forever and therefore needs a way to terminate•Right click the stop sign in the lower left corner of the while loop•Choose create control to add a button to stop this loop


It should look like this

•Press “Run” and verify everything is working•This project should add the numbers and display the result•Press the stop button you added to terminate



Part III : Additional tips


Double click text to rename features

Double click anywhere to add comments


Useful shortcuts:

•To “take a picture” of your screen (useful for lab reports)Press “Print Screen” button on the keyboard

•To “take a picture of just a certain window Press ALT + “Print Screen”

For labview:

•To jump to the Block Diagram CTL +E

•For Context HelpCTL + H

•To tile windowsCTL + T

1. Add onto this example using different types of inputs, displays, sliders, etc.

2. Make a sheet that can compute the average of 3 numbersie. (X1 + X2 + X3 ) / 3

3. Create your own function and provide comments for the operations and final result

• Make sure to take screen shots to include in your report

• In your report- Discuss and describe your projects

Your assignment-


lab 1 : introduction to labview 1 southern methodist university bryan rodriguez

Documents

labview vis

open labview

labview softwareto

block diagram

labview example vis

labview shortcut icon

certain block

toolbar press window