Automation software systems usually implement the IEC 61131-3 and IEC 61499 standards. Nowadays, these applications request, among others, reusability, flexibility, reliability, and modularity via both standards. These characteristics can be achieved by a traditional paradigm called Object-Oriented Programming (OOP). OOP is an older method that applied with various programming languages to generate a replicable style of programming, i.e., code composed by Functions, Methods, etc. A well-defined programming method makes the code understandable for programmers. OOP defines the reusability, accessibility, adaptability, and robustness of software programs. It means that using gradual methods gained experience improves the quality of programs and simplifies their organization. OOP also increases the security of applications from its core features, i.e., Abstraction, Instantiation, Encapsulation, Polymorphism, and others. Therefore, OOP has been applied and discussed for both standards; however, OOP's complexity and implementation using these IEC standards have not been compared yet. This work proposes the typical application of the Function Block (FB) to define classes and objects for industrial automation systems based on OOP. We implement one particular case of study for both standards. The FB employments are evaluated in order to compare OOP applicability and advantages of each standard. Adapting automation software regarding new industry requirements implies greater modularity. Code programmed by OOP generates abstractions levels which improve the design and make the software application in maintenance more comfortable to read and more adaptable to future extensions. This research shows how both standards (their latest updates) address OOP. Object-oriented programs in the field of automation engineering face another paradigm shift that impacts the methods used to program control systems. OOP would facilitate the design patterns implementations, which are a reusable understanding of common problems.
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Automation software systems usually implement the IEC 61131-3 and IEC 61499 standards. Nowadays, these applications request, among others, reusability, flexibility, reliability, and modularity via both standards. These characteristics can be achieved by a traditional paradigm called Object-Oriented Programming (OOP). OOP is an older method that applied with various programming languages to generate a replicable style of programming, i.e., code composed by Functions, Methods, etc. A well-defined...
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