plc声光智能抢答器设计

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1、湘潭技师学院湖南纺织职工大学湖南纺织职工大学毕业论文（设计）毕业论文（设计）目录摘要·························································································································································1前言··································································

2、·······················································································21PLC声光智能抢答器的概述···················································································································31.1PLC声光智能抢答器简介·······························

3、············································································31.2PLC声光智能抢答器工作原理···································································································32系统硬件设计·······························································

4、········································································42.1控制系统选取·····························································································································42.2控制系统的硬件组成············································

5、·····································································42.3系统控制要求·····························································································································42.4系统硬件连接图·················································

6、········································································53系统软件设计·········································································································································63.1软件选择·······································

7、······························································································63.2PLC声光智能抢答控制程序梯形图··························································································63.3控制系统I/O分配表··············································

8、·····································································94模拟运行与调试过程········································································