毕业设计-基于触摸屏与plc的八路抢答器设计

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1、基于触摸屏与PLC的八路抢答器设计学生：学号：专业：班级：指导教师：-II-摘要用触摸屏与PLC（可编程序控制器）实现控制是现代工业控制中的一种新方法。文中基于西门子OP77B6AV6641-0CA01-0AX0 型触摸屏和西门子S7-200型PLC，提出了八路抢答器控制系统。根据触摸屏和PLC的工作原理及特点，阐述了控制系统硬件与软件设计方案，实现了对八路抢答器的监控。系统软件设计包括触摸屏端的画面运行系统的设计和基于梯形图的PLC控制程序设计。实际应用表明，该系统具有运行稳定、可靠性高、实用性强等特点。关键词：西门子OP77B6AV6641-0CA0

2、1-0AX0 型触摸屏；西门子S7-200PLC；抢答器；梯形图；程序；设计-III-ABSTRACTItisanewcontrolmethodbasedontouchingscreenandPLCinthemodernindustrialcontrolsystem,andtheirapplicationsaremoreandmorewidely.BasedontheSIEMENSOP77B6AV6641-0CA01-0AX0touchingscreenandSIEMENSS7-200PLC,aeight-wayvyinganswermachinecon

3、trolsystemisproposed.ThispaperaccordingtotheworkingtheoryandcharactersoftouchingscreenandPLC,andexpatiateshardwareandsoftwaredesigningschemeofthesystem,andimplementsthemonitoringandcontrollingtotheeight-wayvyinganswermachine.Thesoftwaredesignincludesgraphicrunningsystemoftouching

4、screenandcontrolPLCprogrambasedonladderchart.Theapplicationindicatesthatthesystemhassomeadvantagesofrunningstably,highreliabilityandbetterpracticability.Keywords:SIEMENSOP77B6AV6641-0CA01-0AX0touchingscreen;SIEMENSS7-200PLC;vyinganswermachine;ladderchart;program;design-III-目录摘要..

5、..........................................................ⅠABSTRACT...........................................................Ⅱ第1章引言.......................................................1第2章抢答器的功能介绍............................................22.1抢答器的功能分类.........................

6、...................22.2抢答器系统设计的控制要求....................................3第3章系统设计方案确定............................................43.1模/数抢答器.................................................43.2单片机抢答器................................................53.2.1单片机抢答器硬件设计....................

7、...............53.2.2单片机抢答器软件设计...................................63.3PLC抢答器...................................................6第4章系统硬件设计................................................74.1触摸屏的选型及设计..........................................74.1.1触摸屏的基本原理..........................

8、..............74.1.2触摸屏的特点..............