FFLD Runtime

When your application is running, you can force and lock a variable or a contact directly in the editor with a double-click operation.

See Forcing a Variable for more information.

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• In FFLD "Free Form Ladder Diagram", when a function, function block or UDFB "User Defined Function Block" UDFB can be used as a sub-function block in another program of the application. It is described using FBD, LD, ST or IL language. Input / output parameters of a UDFB (as well as private variables) are declared in the variable editor as local variables of the UDFB is not connected on the left, removed at compiling time.

See Free Form Ladder Diagram (FFLD) for more information about FFLD language.

See Also