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为改变油库泵房手动操作方式,提高油库泵房的自动化接近程度,采用可编程序逻辑控制器(PLC)是一种可行方式。着重介绍PLC在油库泵房自动化控制中的应用,分析了泵房自控系统中采用PLC进行控制的优越性,给出了PLC泵房自控系统框图和控制程序流程框图。
In order to change the manual operation mode of depot pumping station and increase the automation closeness of depot pumping station, it is feasible to adopt programmable logic controller (PLC). The application of PLC in the automatic control of oil depot pump room is emphatically introduced. The superiority of using PLC to control in the pump room automatic control system is analyzed. The block diagram of PLC automatic control system and the flow chart of the control program are given.