ABSTRACT：Distributed control system spreads ( DCS ): Again claim that fair is scattered to control system , can also divide into multistage statified distribution type control systematic, medium or small distribution type control systematic, two level distribution type control systems according to function and scale.
One of industrial automation technical most important technologies in the modern production field of 20th century solves production efficiency and consistency problem mainly. Regardless of with high speed a large quantity of production enterprise or pursuing flexible, flexible and custom-made enterprise must rely on the application of automation technology.
Automation system does not directly create benefits, but it takes obvious promotion role for enterprise production course.
In recent years, as controlling the technical developments such as technology, computer, communication and network, the field of information interactive communication is covering promptly since the equipment layer on the spot of factory goes to control and management every level.
Keywords: distributed，additionally，automation，gentle，customize
