目录1机电一体化柔性装配系统概述.............................................................................................................-2-1.1系统基本组成..............................................................................................................................-2-1.2下料单元的介绍.........................................................................................................................-3-2.上料单元PLC设计.................................................................................................................................-4-2.1PLC简介........................................................................................................................................-4-2.2控制方式说明..............................................................................................................................-5-2.3I/O编号分配表............................................................................................................................-5-2.4功能表图......................................................................................................................................-7-2.5PLC程序说明................................................................................................................................-8-2.5.1上料单元初始原位程序...................................................................................................-9-2.5.2步进电机的驱动程序.......................................................................................................-9-2.5.3启动、停止、手自动，复位按钮程序.........................................................................-11-3.S7-300PLC主站控制部分................................................................................................................-12-3.1PROFIBUS-DP总线介绍..............................................................................................................-13-3.2主站控制的基本要求................................................................................................................-13-3.3S7-300PLC介绍........................................................................................................................-13-3.3.1S7-300PLC概述............................................................................................................-13-3.3.2S7-300PLC的组成.........................................................................................................-13-3.4S7-200与S7-300的PROFIBUS–DP通信............................................................................-14-3.4.1配置主站硬件组态.......................................................................................................-14-3.4.2软件编程........................................................................................................................-18-3.5S7-300PLC程序部分................................................................................................................-19-3.6S7-300总结..............................................................................................................................-21-4．监控软件的设计.................................................................................................................................-22-4.1监控软件的功能....................
