Local and Global Variables LabVIEW uses data flow to determine the order in which block diagram elements are executed, but in some block diagrams, you need to eliminate data flow dependencies. In this case, you can consider using variables. Variables in LabVIEW are elements in the block diagram that can be used to access or store data in another location. The actual location of the data varies depending on the variable type. Local variables store data in input controls and indicators on the front panel. Global variables store data in special repositories that can be accessed by multiple VIs. Regardless of where the variable stores data, all variables can pass data from one place to another without using a wire to connect the two places, thus eliminating the need for normal data flow.
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