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Build a VI Front Panel, Icon and Connector Modular Programming - LabVIEW

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Build A Vi Front Panel And Block Diagram

The first step is to create the front panel and block diagram of a VI as shown in Figure 3.4. Consider a VI slope (m).vi to find the slope m given the coordinates y1, y2, x1, x2 of a line. The slope m = (y2 – y1)/(x2 – x1).?
modular programming in labview

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 I Icon And Connector Pane

After you build a VI, build the icon and the connector pane so that you can use the VI as a subVI. The icon and connector pane correspond to the function prototype in text-based programming languages. Every VI displays an icon in the upper-right corner of the front panel and block diagram windows. An icon is a graphical representation of a VI. If you use a VI as a subVI, then the icon identifies the subVI on the block diagram of the VI.

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The default icon can be changed to a custom icon which contains text, images or a combination of both. Figure 3.5 shows the custom icon and connector pane created for the VI to find the slope of a given line. The icon for the slope VI contains text and images while the connector has four inputs (y1, y2, x1, x2) and one output (m). To create a subVI, you need to build an icon and a connector pane.
Icon & connector panel created for the slope VI

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Ravindra Savaram
About The Author

Ravindra Savaram is a Content Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.


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