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采用可编程序控制器（ＰＬＣ）实现自动化粮库仓储、输送系统的数个工艺流程的控制，介绍了用控制系统流程框图（ＣＳＦ）语言编写顺序控制程序的方法。
Adopting programmable logic controller (PLC) to realize automatic control of several process flow in grain storage and conveying system of grain depot, and the method of writing sequence control program by using control system flowchart (CSF) language is introduced.