Lab 1 : Introduction to LabView 1 Southern Methodist University Bryan Rodriguez

Objectives To learn about and experiment with the LabView software To create your own LabView VI 2 Southern Methodist University Bryan Rodriguez

Part I : Intro to Labview VIs 3 Southern Methodist University Bryan Rodriguez

Double click the LabView shortcut icon on the desktop to open LabView 4 Southern Methodist University Bryan Rodriguez

This is what you should see 5 Southern Methodist University Bryan Rodriguez

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 6 Southern Methodist University Bryan Rodriguez

Toolbar Buttons Run 2- Run continuous 3- Stop 4- Pause 5- Highlight Execution (Available in Block Diagram) 7 Southern Methodist University Bryan Rodriguez

This is what you should see Press “Run” to start VI 8 Southern Methodist University Bryan Rodriguez

On the toolbar press Window > Show Block Diagram This shows how everything is connected and working together 9 Southern Methodist University Bryan Rodriguez

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 10 Southern Methodist University Bryan Rodriguez

Press “Highlight Execution” then “Run” to see what is happening 11 Southern Methodist University Bryan Rodriguez

Part II : Make your own VI 12 Southern Methodist University Bryan Rodriguez

Click on “On My Computer” then press the green arrow 13 Southern Methodist University Bryan Rodriguez

You should see this which is the front panel and is used as the user interface (buttons, knobs, display screens, etc) 14 Southern Methodist University Bryan Rodriguez

Right click to see interface features you can add to your project Displays, Inputs, gauges, etc 15 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

Southern Methodist University Bryan Rodriguez 17 We will begin by looking at the numeric controls shown below

Southern Methodist University Bryan Rodriguez 18 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 19 Southern Methodist University Bryan Rodriguez

Go to the Block Diagram and verify you have 2 inputs and 1 output (Display) 20 Southern Methodist University Bryan Rodriguez

Right click to see operations that you can perform 21 Southern Methodist University Bryan Rodriguez

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 22 Southern Methodist University Bryan Rodriguez

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

Southern Methodist University Bryan Rodriguez 24 This is what you should see

Southern Methodist University Bryan Rodriguez 25 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

Southern Methodist University Bryan Rodriguez 26 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 27 Southern Methodist University Bryan Rodriguez

28 Part III : Additional tips

Southern Methodist University Bryan Rodriguez 29 Double click text to rename features Double click anywhere to add comments

Southern Methodist University Bryan Rodriguez 30 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 Help CTL + H To tile windows CTL + 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 numbers ie. (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- 31 Southern Methodist University Bryan Rodriguez

32 Southern Methodist University Bryan Rodriguez