The paper presents the application of S7-300 PLC developed by Siemens in Isa WHB rapping system, describes hardware and analyzes control requirements,sequential diagram and programming process.

• 介绍了西门子公司S7-300型可编程逻辑控制器(PLC)在云铜艾萨炉余热锅炉振打系统中的应用。