011810102493-何福德-基于PLC控制广告牌饰灯的设计

重庆科技学院高等教育自学考试本科毕业论文基于PLC控制广告牌饰灯的设计考生姓名：何福德准考证号：011810102493专业层次：本科院（系）：机械与动力工程学院指导教师：黄武凯职称：讲师重庆科技学院二O一二年六月二十五日重庆科技学院高等教育自学考试本科毕业论文基于PLC控制广告牌饰灯的设计考生姓名：何福德准考证号：011810102493专业层次：本科指导教师：黄武凯院（系）：机械与动力工程学院重庆科技学院二O一二年六月二十五日重庆科技学院高等教育自学考试本科毕业论文中文摘要I摘要可编程序控制器简称PLC，它的应用面广，功能强大，使用方便，已经成为当代工业自动化的主要的支柱之一。PLC广泛的应用在各种机械设备和生产过程的自动控制系统中，PLC在其他领域，例如在民用和家庭自动化中也得到了迅速的发展。随着改革的不断深入,社会主义市场经济的不断繁荣和发展,大中小城市都在进行亮化工程。企业为宣传自己企业的形象和产品,均采用广告手法之一:灯饰广告屏来实现这一目的.当我们夜晚走在大街上,马路两旁各色各样的灯饰广告均可以见到,一种是采用LED灯管做成的各种形状和多中彩色的灯管,另一种为日光等管或白炽灯管作为光源,另配大型广告语或宣传画来达到宣传的效果。这些灯的亮灭,闪烁时间及流动方向等均可以通过PLC来达到控制的要求。通过本设计，即能熟悉学习过的PLC知识，还能提高自己的设计能力，并且PLC具有通用性强、使用方便、适应面广、可靠性高、抗干扰能力强、编程简单等特点。PLC在工业自动化控制特别是顺序控制中的地位，在可预见的将来，是无法取代的。在一定程度上提高自己以后在找工作的成功率。所以我选择了这个题目。关键词：PLC，广告灯重庆科技学院高等教育自学考试本科毕业论文英文摘要IITheTitleofthethesisABSTRACTAprogrammablecontrollerPLC,itswideapplication,strongfunction,convenientuse,hasbecomethemainpillarofindustryautomation.PLCiswidelyusedinallkindsofmachineryequipmentandtheautomaticcontrolsystemofproductionprocesses,PLCinotherareas,suchasincivilandhomeautomationhasalsobeenarapiddevelopment.Withthecontinuousdeepeningofreform,thesocialistmarketeconomicprosperityandthecontinueddevelopmentofbigandmediumcity,inthelightingproject.Enterprisestopromotetheimageoftheircompaniesandproducts,aresubjecttotheadvertisingpracticesof:lightingadvertisingscreentoachievethispurpose.Whenwenightwalkinginthestreet,theroadonbothsidesofdiversiformlightingadvertisingcanbeseen,usingaLEDlampmadeofvariousshapesandmultiplecolorlamp,anotheroneisfluorescenttubeorincandescentlampasthelightsource,theotherwithlargeadvertisementorpostertoachievethepropagandaeffect.Outofthesebrightlights,flashingallthetimeandtheflowdirectionthroughthePLCtoachievethecontrolrequirement.Throughthisdesign,canbefamiliarwiththelearnedknowledgeinPLC,butalsoimprovetheabilityofdesign,andthePLChasstronguniversality,convenientuse,wideadaptability,highreliability,strongantiinterferenceability,simpleprogrammingfeatures.PLCinindustrialautomationandcontrolaparticularsequencetocontroltheposition,intheforeseeablefuture,cannotbereplaced.Toacertainextent,improvetheirjobsearchsuccessrateinthefuture.SoIchosethistopic.Keywords：Programmablecontroller(PLC),advertisinglights重庆科技学院高等教育自学考试本科毕业论文绪论1目录摘要......................................................................IABSTRACT.................................................................II1.绪论...................................................................11.1PLC的特点...........................................................21.1.1高可靠性.......................................................21.1.2丰富的I/O接口模块.............................................21.1.3采用模块化结构.................................................21.1.4编程简单易学...................................................21.1.5安装简单，维修方便.............................................21.2PLC的功能...........................................................31.3PLC的应用............................................................31.3.1开关量的逻辑控制...............................................31.3.2模拟量控制.....................................................31.3.3运动控制.......................................................31.3.4过程控制.......................................................41.3.5数据处理.......................................................41.3.6通信及联网.....................................................42.PLC在广告设计领域的应用..........................................52.1PLC的分类...........................................................52.2PLC的结构...........................................................52.3PLC的工作原理.......................................................52.3.1输入采样阶段...................................................52.3.2用户程序执行阶段...............................................62.3.3输出刷新阶段...................................................62.4PLC的工作方式........................................................62.5PLC汇编语言.........................................................72.5.1梯形图.........................................................72.5.2语句表.........................................................72.6PLC的基本指令.......................................................82.6.1输入输出指令（LD/LDI/OUT）.....................................82.6.2触点串连指令（AND/ANDI）、并联指令（OR/ORI）....................82.6.3电路块的并联和串联指令（ORB、ANB）.............................92.6.4程序结束指令（END）...........................................103.具体设计情况.........................................................113.1设计要求............................................................113.2I/O分配表及PLC型号选择..........................................113.3PLC端子接线图.....................................................123.3.1中央处理器CPU.................................................123.3.2存储器模块....................................................123.3.3输入输出模块..................................................12重庆科技学院高等教育自学考试本科毕业论文绪论23.3.4编程器........................................................133.4PLC端子接线图......................................错误!未定义书签。3.5控制流程图........................................