Duratech DA05 WinCE Instrukcja Użytkownika Pobierz pdf (Strona 24)

UniversitàdegliStudidiCatania

IntroductiontoNILabVIEW

 LabVIEWG‐Language:Formula&ExpressionNodes

The Formula Node is a resizable box that you use to enter algebraic formulas directly into the

block diagram. You will find this feature extremely useful when you have a long formula to solve. For

example, consider the fairly simple equation, y = x

+ x + 1. Even for this simple formula, if you

implement this equation using regular LabVIEW arithmetic functions, the block diagram is a little bit

harder to follow than the text equations

The Expression Node is basically just a simplified Formula Node having just one unnamed

input and one unnamed output. You do not have to name the input or output terminals and to put

semicolons at the end.

ThesameoperatorsandsyntaxoftheFormulaNodeapplytotheExpressionNode.

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Duratech DA05 WinCE Instrukcja Użytkownika Strona 24