This book is the first international edition of industrial automation series by the italian teacher eng. Marco Gottardo. The contents respond to the need for clarity and synthesis requested by the students in training courses, bacherlor and engineering, bringing together international technicians in a common language and modus operadi.Designed for self-taught students, it prefers the practical example to the theoretical explanation. It makes the new technician autonomous in the development of small and medium-sized industrial plants. Starting from the year 2019 it is one of the texts officially adopted for professional training courses organized by G-Tronic Robotics based in the Industrial Area of Padua (Italy).The lessons are accessible for students from all over the world in English. The book contains the first essential steps for using the TIA PORTAL V15_1 platform, last version of Step 7 and WinCC basic and Confort.This book is followed by over 10 similar publications concerning the essential steps to become an experienced PLC programmer.Only one topic per book is deepened, in these case a sliding gate, but all the necessary notions are in well explained.The next volume will focus on an elevator installed in a three-floor building. Here you will find a clear and simple explanation for graphic lists, faceplates and pop-ups. Clear examples of HMI variables connection to the data block of the step 7 program. it is the perfect book to be adopted by schools with technical or engineering guidelines. To participate in international PLC programming courses, individually or in groups, contact the author via email [email protected] certificate of attendance is issued.