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根据毛主席的“教育必须为无产阶级政治服务,必须同生产劳动相结合”的指示,清华大学自动化系结合教育革命,开门办学与北钢、北低、北内等工厂协作,对顺序控制器进行了研制。顺序控制器和继电器盘、逻辑柜一样,都是开关量的程序控制装置。开关量的程序控制在各行各业的生产中都是大量使用的,例如石油化工生产过程中各种阀门开闭的自动控制,高炉加料的自动控制,铸造线的自
According to Chairman Mao’s instruction that “education must serve proletarian politics and must be combined with productive labor”, Tsinghua University Department of Automation, in conjunction with the educational revolution, open door running and the cooperation with factories such as Beigang, Beijiao and Bei-Nei, Developed. Sequence controller and relay disk, logic cabinet, are the switch of the program control device. The process control of the switch quantity is extensively used in the production of all trades and professions, for example the automatic control of opening and closing of various valves in the petrochemical production process, the automatic control of the feeding of the blast furnace, the self-