Creating modular code makes applications easier to develop, debug, and maintain. In this section we'll learn about Sub VIs.

• LabVIEW Getting Started

None.

• LabVIEW

• A Sub VI is a chunk of reusable code.
  
  
• Data is passed into and out of a Sub VI using terminals.
  • Create Sub VI terminals by connecting front panel Controls and Indicators to the Connector Pane.
    
    
• Sub VI Icons help keep code easy to read and maintain.
  
  
• Use the VI Properties to add context help to a sub VI.
  • Click File»VI Properties or Ctrl+I then select documentation.
    
    
• To place a custom Sub VI on the block digram:
  • Select Functions Palette»Select A VI and select the sub VI
    or
    
  • Click and drag the VI file onto the block diagram.
    
    
• Add code comments by double clicking anywhere on the block diagram.
  
  

LabVIEW Basics