电气工程专业 基于PLC的自动售货机控制系统设计VIP专享VIP免费

基于 PLC 的自动售货机控制系统设计目 录摘 要.................................................................................................................................................6第 1 章 任务与要求........................................................................................................................,81.1 课题概述..............................................................................................................................81.2 设计内容与要求................................................................................................................81.3 FX2N-32MR 产品说明....................................................................................................8第 2 章 引 言.............................................................................................................................10 2. 1 研究背景………………………………………………………………………………...102.2 论文研究目标和意义......................................................................................................12第 3 章 方案论证与设计..............................................................................................................14 3.1 总体设计分析...................................................................................................................14 3.2 方案的选择与设计...........................................................................................................14 3.2.1 继电控制………………………………………………………………………...….14 3.2.2 单片机控制………………………………………………………………………....15 3.2.3 PLC 控制…………………………………………………………………………….15 3.3 方案确定.......................................................................................................................16第 4 章 自动售货机的 PLC 控制系统设计..........................................................................17 4.1 硬件电路...