目录1设计任务书..................................................................................................................................................21.1设计内容及要求...............................................................................................................................21.2设计参数...........................................................................................................................................21.3设计目的...........................................................................................................................................22变频调速控制系统概述..............................................................................................................................23方案设计......................................................................................................................................................33.1变频器选型及概述...........................................................................................................................33.2功能图及变频器参数设置...............................................................................................................73.3变频调速控制系统的硬件、软件配置.........................................................................................103.4变频调速控制系统的网络结构.....................................................................................................104S7-300PLC控制程序的设计...................................................................................................................114.1硬件组态.........................................................................................................................................114.2控制程序设计.................................................................................................................................135Wincc组态.................................................................................................................................................155.1变量组态.........................................................................................................................................155.2画面组态.........................................................................................................................................165.3变量连接.........................................................................................................................................176程序调试....................................................................................................................................................186.1PLC调试方法与结果.....................................................................................................................186.2Wincc调试方法与结果..................................................................................................................187技术小结....................................................................................................................................................19参考文献.......................................................................................................................................................21附录1：S7-300控制程序清单.....................................................
