This book is a convenient installation, troubleshooting and reference tool on one of the hottest topics in automation and process control. It will help you understand important Ethernet and TCP/IP terminology and provide important information about the new industrial protocols. You will quickly gain a solid grasp of Ethernet basics, the constraints of the industrial environment, and the specialized requirements of machine control. Practical reference charts and technical tips make this book an ideal quick reference source at your project meetings and on the job. New topics covered in the book include signaling types, Web services, power over Ethernet, and an expanded focus on Ethernet protocols and addressing as well as wireless Ethernet. The last part of the book provides installation, maintenance, troubleshooting, and security tips. After reading this book, you will be able to plan industrial Ethernet installations with realistic expectations, make knowledgeable purchasing decisions and identify and prevent common causes of failure. The Third Edition includes four new chapters and the Internet of Things (IoT).