基于plc的自动分拣系统设计

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1、基于PLC的自动分拣系统设计XXXXXX毕业设计I题目基于PLC的自动分拣系统设计班级姓名指导老师www.docin.comXXXXXX毕业设计II摘要PLC控制是目前工业上最常用的自动化控制方法由于其控制方便能够承受恶劣的环境因此在工业上优于单片机的控制。PLC将传统的继电器控制技术、计算机技术和通信技术融为一体专门为工业控制而设计具有功能强、通用灵活、可靠性高、环境适应性强、编程简单、使用方便以及体积小、重量轻、功耗低等一系列优点,因此在工业上的应用越来越广泛。本文主要讲述PLC在材料分拣系统中的应用利用可编程控制器(PLC)

2、设计成本低、效率高的材料自动分拣装置。以PLC为主控制器结合气动装置、传感技术、位置控制等技术现场控制产品的自动分拣。系统具有自动化程度高、运行稳定、精度高、易控制的特点可根据不同对象稍加修改本系统即可实现要求。关键词PLC分拣装置变频器传感器www.docin.comXXXXXX毕业设计III目录封面···········································I摘要··········································II目录····························

3、·············III绪论···········································1第1章材料分拣装置结构及总体设计··············21.1材料分拣装置工作过程概述···························21.2系统的技术指标·····································31.3系统的设计要求·····································31.3.1功能要求·······································

4、··31.3.2系统的控制要求································3第2章控制系统的硬件设计······················42.1系统的硬件结构·····································42.2系统关键技术·······································42.2.1确定I/O点数····································42.2.2PLC的选择·······································4

5、2.2.3PLC的I/O分配···································42.2.4PLC输入输出接线端子图···························52.3检测元件与执行装置的选择····························62.3.1光电式旋转编码器·································62.3.2电感式接近开关································82.3.3光纤传感器·······································

6、92.3.4变频器···········································102.3.5电动机···········································132.3.6磁控开关·········································142.3.7光电开关··········································162.3.8电磁阀及气缸······································17第3章控制系统的软件设计·····

7、·················183.1控制系统流程图设计································183.2控制系统程序设计·······························18第4章控制系统的调试·································234.1硬件调试··········································234.2软件调试··········································23www.docin.comXXXXXX毕业设计I

8、V4.3整体调试································