毕业设计（论文）目录第1章绪论........................................................................................................................11.1课题研究意义..........................................................................................................11.2课题分析与研究计划..............................................................................................21.3社会经济效益分析..................................................................................................3第2章立体仓库模型硬件构造........................................................................................52.1模型控制需求及硬件清单......................................................................................52.2主要模块工作原理图..............................................................................................52.3驱动模块..................................................................................................................62.4步进电机..................................................................................................................8第3章PLC程序设计........................................................................................................93.1PLC社会发展..........................................................................................................93.2PLC的应用领域及特点..........................................................................................93.3设计思想及流程图................................................................................................103.4PLS指令................................................................................................................113.4.1PLS指令定义..............................................................................................113.4.2识别S7-200高速输出指令.........................................................................113.4.3PTO操作......................................................................................................123.4.4单段管线作业..............................................................................................133.4.5多段管线作业..............................................................................................133.4.6PTO/PWM控制寄存器...............................................................................173.5PLC编程................................................................................................................223.5.1连线表和地址说明表..................................................................................223.5.2PLC程序分析..............................................................................................233.5.3手动控制......................................................................................................303.5.4自动控制......................................................................................................313.5.5点动控制......................................................................................................32第4章监控系统的设计..................................................................................................334.1监控系统介绍........................................................................................................334.2监控画面设计.............................
