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介绍可编程序控制器（ＰＬＣ）在硫酸生产ＳＯ２鼓风机供油系统中的应用，给出了系统的硬件和软件设计，系统运行表明，设计合理，可靠性高。
The application of programmable logic controller (PLC) in SO2 blower oil supply system of sulfuric acid production is introduced. The hardware and software design of the system are given. The system operation shows that the design is reasonable and the reliability is high.