The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years of experience within specification, development and supplying complex control solutions and supervision systems. Within these years, the author has 7 years of experience within Pascal programming and 12 years of experience with solutions and systems containing PLC.The author is Assistant Professor and teaching PLC control systems at higher educations at a Danish Academy of Business and Technology: Erhvervsakademi Dania, Randers, Denmark.LinkedIn: https: //www.linkedin.com/in/tommejerantonsen/