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plc触摸屏控制的PLC变频调速设计...doc

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本科毕业论文(设计) 题目触摸屏控制的 PLC 变频调速设计学院专业年级学号姓名指导教师成绩年月日目录摘要······························································································································· 1 关键词···························································································································· 1 Abstract ························································································································· 1 Key words ························································································································ 1 1 可行性分析···················································································································· 2 2 需求分析······················································································································· 3 3 控制要求······················································································································· 4 4 选型依据······················································································································· 4 5 总体设计······················································································································ 5 控制系统硬件设计······························································································· 5 模块功能·············································································································· 5 可编程控制模块································································································· 5 可编程控制器的工作方式····················································································· 6 6 详细设计······················································································································ 8 PLC 程序设计······································································································ 8 打开 STEP 7--Micro/WIN ································································

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