This paper introduces the application of SIEMENS S7-300 PLC in mill control.The design of hardware and software are given.The structure of control network of the system is also introduced.

• 本文介绍了西门子S7-300PLC磨矿控制系统中的应用,详细说明了控制系统的构成及程序设计,并介绍了PLC磨矿系统控制网络的构成。