Lenze PLC Designer PLC Designer (R2-x) Manual de usuario descargar pdf (Pagina 44)

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L-force | PLC Designer

What is What in PLC Designer

42 DMS 3.2 EN 02/2011 TD29 

Calling FUB in FBD (Declaration part as shown above for IL):

In SFC function block calls can only take place in steps.

4.1.7 Program

A program is a POU which returns several values during operation. Programs are

recognized globally throughout the project. All values are retained from the last time

the program was run until the next.

Example of a program

Programs can be called. A program call in a function is not allowed. There are also no

instances of programs.

If a POU calls a program, and if thereby values of the program are changed, then these

changes are retained the next time the program is called, even if the program has

been called from within another POU.

This is different from calling a function block. There only the values in the given

instance of a function block are changed.

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Lenze PLC Designer PLC Designer (R2-x) Manual de usuario Pagina 44

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