【摘要】 论述了对火电厂碎渣机控制系统用ＰＬＣ改造的硬件、软件设计方法，也从可靠性、经济性方面作了简单阐述。通过试验表明，系统达到了预期的效果，有一定的工程意义。更多还原

【Abstract】 This paper discusses the transformation of the methods of handware and software through PLC in the control system of the drag’s crushers in thermal power plants, and it give a simple explanation of the reliablity and economicality. The results of the test show the anticipated efficiency and are of certain engineering value.更多还原