Class Diagram A class diagram is a type of structure diagram. You use the class diagram to design or analyze the structure of a complex program. You can design classes and show relationships between t
Use Cases . Within CODESYS , you can use class diagrams for the following: Design and development tool Analysis of an existing project Navigation within a project Use as a design and development tool
Terminology OOP – IEC 61131-3 The following list shows a comparison of the terminology in UML as well as its equivalent in IEC 61131-3 and its extension in CODESYS . Terms in UML Object Orientation Eq
Working in the Class Diagram Editor The class diagram editor provides elements which map the object orientation of the project. Because the editor is embedded in the CODESYS Development System , you c
Tutorial: Class Diagram Using class diagrams Class diagrams illustrate the static structure of an application or sub-application. They provide an overview of the classes, the attributes of the classes
Analysis You can create class diagrams from existing projects and applications for analysis or documentation purposes. Displaying an application as a class diagram Open a project that you did not crea
Designing and Developing When you program graphically in the class diagram, your changes automatically cause adaptations for the objects in the POUs view and Devices view. New objects are inserted in
Statechart A statechart is a graphical formalism with which you can graphically program a finite state machine. A state machine is a system that is continuously in one of a finite number of states at
Implicit Variables At compile time, a structure variable with the name UML_SC_<object name> is generated automatically for each graphical statechart object. This variable provides access to the implic