目录基于 PLC 的枕式包装机控制系统设计....................................................................................................3第一章 绪论..............................................................................................................................................51.1 研究背景.....................................................................................................................................51.2 国内外研究现状.........................................................................................................................52.1 枕式包装机的结构与工作流程.................................................................................................62.2 枕式包装机的控制方案.............................................................................................................6第三章 枕式包装机的控制系统硬件设计..............................................................................................73.1 PLC 电路设计..............................................................................................................................73.2 温度控制模块电路设计............................................................................................................93.3 电机选用与触摸屏设计...........................................................................................................103.4 伺服系统软件编程...................................................................................................................104.1 枕式包装机控制要求...............................................................................................................144.2 控制系统方式选择...................................................................................................................15五、PLC 的硬件结构.......................................................................................................................15六. 设计领域............................................