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Labview programming basics Tutorial-plotting

This Labview programming language tutorial covers plotting tools in labview. This page covers waveform graph, waveform chart and XY graph. This labview tutorial covers following topics:
Labview data types
Creating SubVI
Creating Array and Array operations
Cluster concepts in labview
Various plots in labview
File I/Os
For loop,while loop and case structure
Local variable vs Global variable concepts

The following plots are available under Controls Palette/Graph Inds and are the most widely used.

Waveform Chart: A numerical indicator that is used to display single or multiple plots and receives numerical data one value at a time. These types of plots are good to use inside loops.

Waveform Graph: Also a numerical indicator that is capable of displaying single or multiple plots; however, it receives data in an array and then plots it. These types of plots are good outside of loops and if you are not concerned with the data until all the data is collected.

XY Graph: This type of labview graph accepts two inputs in the form of cluster i.e. X and Y arrays. This graph is useful for analyzing non real-time data e.g. force vector vs distance vector.

EXAMPLE BLOCK DIAGRAM labview VI


plotting labview fig1

EXAMPLE FRONT PANEL labview VI


plotting labview fig2

Download Labview Source code of this plotting example

Download waveform graph,chart and XY graph labview VI

Related Links

•   What is Labview
•   National Instruments Labview
•   Download Labview, http://www.ni.com/downloads/products/

               

Useful Links to Labview Source codes

Refer following as well as links mentioned on left side panel for useful labview source codes.

Hex to Binary labview VI      Decimal to Binary labview VI
Number Generator labview VI      Binary to Decimal labview VI
Binary number generator     modulator-demodulator
FFT     up and down sample

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