Terminals
The icons on the block diagram that represent data are called terminals. Front panel objects appear as terminals on the block diagram. You can use three types of terminals: controls, constants, and indicators. Controls are values that the user inputs on the front panel. In the program above, a is a control. When you want to have an input that is not available on the front panel for the user to see and change, you use a constant instead of a control, which can be edited within the block diagram. In the program above, b is a constant. Indicators are the values the program generates and displays to the front panel. In the program above, a+b and a‐b are indicators.
When working with data in LabVIEW NXT, it is important to understand the different data types, as some functions only work with a certain type.
TerminalsThe icons on the block diagram that represent data are called terminals. Front panel objects appear as terminals on the block diagram. You can use three types of terminals: controls, constants, and indicators. Controls are values that the user inputs on the front panel. In the program above, a is a control. When you want to have an input that is not available on the front panel for the user to see and change, you use a constant instead of a control, which can be edited within the block diagram. In the program above, b is a constant. Indicators are the values the program generates and displays to the front panel. In the program above, a+b and a‐b are indicators.When working with data in LabVIEW NXT, it is important to understand the different data types, as some functions only work with a certain type.
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