Within industrial applications, industrial control networks are specially intended for the inter-connection of process controllers, sensors, and actuators, at the lower levels of the factory automation hierarchy.This book provided a in-depth research and analysis on the application of industrial control network, expounded systematically and comprehensively on the issues dealing with industrial control networks, and also provided solutions to its practical application.Several important topics and instances were investigated in this book. Some important factors in application of industrial control networks were analyzed.