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1、WORD格式整理编号：桂林电子科技大学信息科技学院实训设计(论文)说明书题目：六路抢答器的PLC控制系别：机电工程系专业：机械电子工程学生姓名：施狄学号：1053200127指导教师：廖晓梅职称：高级工程师√题目类型：¨理论研究¨实验研究¨工程设计¨工程技术研究¨软件开发¨应用研究2012年12月18日学习参考资料分享WORD格式整理摘要随着我国经济和文化实业的发展，在很多公开竞争场合要求有公正的竞争裁决，诸如证券、股票交易及各种智力竞赛等，因此出现了抢答器。最初的抢答器是由优先权编码器构成的逻辑电路，其运
2、算速度慢，线路复杂，可靠性不高，功能也比较简单，特别是当抢答路数很多时，实现起来就更加困难。因此，一种能够体现竞赛的公开、公平、公正性的知识竞赛抢答器成为一种需求。本设计将以PLC为核心设计了系统结构图、程序指令、梯形图以及输入输出端子的分配方案，在保留了原始抢答器的基本功能的同时又增加一系列的实用功能并增加了触摸屏画面及其密码保护，其将以其控制方便，灵活，只要改变输入触摸屏的数据，便可改变竞赛抢答器的抢答方案，从而使得竞赛不断完善其公平、公正性。关键词：三菱PLC；竞技抢答器；八段译码器学习参考资料分享W
3、ORD格式整理AbstractWiththedevelopmentofChina'seconomyandcultureIndustrialfaircompetitionrulingrequiredinmanypublicarenas,suchassecurities,stockexchange,andavarietyofquizResponder.InitialResponderisconstitutedbythepriorityencoderlogiccircuit,itsoperationspeedis
4、slow,thecircuitcomplexity,reliabilityisnothigh,thefunctionisalsorelativelysimple,especiallywhenalotofResponderones,itismoredifficulttoachievethem.Therefore,onecanreflectthecontestopen,fairandimpartialityoftheknowledgecontestResponderbecomeademand.Thedesign
5、willbePLCasthecoredesignofthesystemstructure,programinstructions,ladder,aswellasinputandoutputterminalallocationschemeandincreasetherangeofusefulfeatures,retainedthebasicfunctionsoftheoriginalRespondertouchscreenscreenandpasswordprotection,itscontrolconven
6、ientandflexible,aslongasthechangeintheinputdataofthetouchscreen,youcanchangethecontestResponderResponderprogramconstantlyimproveitsfairness,impartialityofmakingcontest.Keywords:Panasonicprogrammablelogiccontroller;competitiveresponder;eightdecoder学习参考资料分享W
7、ORD格式整理目录引言················································································11控制要求与总设计方案······················································11.1抢答器控制要求································································11.2触摸屏画面要求·············
8、···················································21.3总体设计方案··································································21.4设计方案论证··································································22系统设
