A.PLC (programmable logical control)

　　With developments of operation automation and CIMS(computer integration manufacturing system), large amount of data should be processed rapidly,PLC has been extensively applied to various kinds of control systems in industrial process owing to its high-speed logical processing function, high-speed data processing ability,high-speed data communicating and networking ability.

B.DCS(distributed control system)

　　The system with microcmoputer as its core,has been widely applied to such industries as electrical power,petroleum chemical engineering,metallurgy,natural gas,foodstuff process,medicine,and mining,etc.

C.Integration automatic control system

　　The system,such as the integration of PLC and PC,the integration of PLC and DCS,including the solution schemes of control,visualization,and network,can ensure the high efficiency and uniformity of system. Integration is regarded as the start of succeful automation item.