Defining Functions › User Functions › Defining Free-Form Functions

Defining Free-Form Functions

Free-form user functions provide the means of specifying actions that can be used within a function or called from a function to perform a series of procedures. These functions do not conform to any predefined structure and the contexts of these functions are entirely composed of actions. You define these function types at the Edit Functions panel. The processing logic for these functions is defined with the Action Diagram Editor.

The free-form functions are:

• Execute Internal Function (EXTINTFUN)—This function allows you to specify a section of an action diagram for repeated use in other functions.
• Execute External Function (EXCEXTFUN)—This function allows you to specify a HLL program using an action diagram.