Element: Action The Action element is used to add an action to a program or function block directly in a class diagram. It does not have any properties. User input Action Description In the ToolBox vi

Element: Composition A composition is a UML relationship in which one element contains another element. In IEC code, this corresponds to the instantiation of an element: instFb_A : Fb_A . The cardinal

Element: Association An association is a UML relationship that expresses recognition. The recognizing element points to another element as a pointer. In IEC code, this corresponds to a POINTER TO or R

Element: Realization A Realization is a UML relationship which expresses instantiation. The realizing class object implements the attributes and operations of the interface. In IEC code, this relation

Element: Generalization A Generalization is a UML relationship that expresses inheritance or specialization. The inheriting element has the attributes and operations of the root element. In IEC code,

Statechart Elements The elements of the statechart are available in the ToolBox view. This view opens when you open a statechart object in the editor. Start state End state State State (in-cycle) Note

Element: Start state The Start state element represents a pseudo state for an initial state. If the state is at the top level, then the statechart flow starts from there. If it is in a composite state

Element: End state An end state is a pseudo state. It indicates that the execution of the area that contains this end state has ended. End states can be located in a statechart at the top level, in co

Element: State A state is the main element of a statechart. A state machine (or statechart) runs through various states during its runtime and executes their actions. A state can have ENTRY, DO, and E

Element: Composite state You can use this element to group multiple states together. . A composite state can be orthogonal or non-orthogonal. Orthogonal state: Composite state with two or more regions