井冈山大学毕业设计论文1密级:JINGGANGSHANUNIVERSITY本科毕业论文(设计)题目混料传送带PLC控制系统设计与安装学院工学院专业电气工程及其自动化班级07电气本(1)班学号70612012姓名胡建平指导教师高曦起讫时间2010.12至2011.5教务处印井冈山大学毕业设计论文1摘要介绍了PLC在四节传送带控制系统中的应用,同时也详细地叙述了系统中相关控制项目的设计方案及具体实现方法。文中还介绍了基于PLC与单片机的区别使我们能更加的清楚认识PLC,对学生熟悉PLC控制系统的结构和工作原理以及学习梯形图的编写都有很大的帮助。本系统是对四节混料传送带控制的系统,该设备适用于流水线生产等,也可以把生产出的货物进行传送到特定的地方。高可靠性是电气控制设备的关键性能。PLC由于采用现代大规模集成电路技术,采用严格的生产工艺制造,内部电路采取了先进的抗干扰技术,具有很高的可靠性。从PLC的机外电路来说,使用PLC构成控制系统,和同等规模的继电接触器系统相比,电气接线及开关接点已减少到数百甚至数千分之一,故障也就大大降低。此外,PLC带有硬件故障自我检测功能,出现故障时可及时发出警报信息。在应用软件中,应用者还可以编入外围器件的故障自诊断程序,使系统中除PLC以外的电路及设备也获得故障自诊断保护。关键词:传送带PLC故诊断控制可编程控制器控制井冈山大学毕业设计论文2AbstractIntroducedPLCinfourconveyerbeltscontrolsystemapplication,simultaneouslyalsoindetailnarratedinthesystemtobeconnectedthecontrolprojectdesignproposalandtheconcreterealizationmethod.InthearticlealsointroducedenablesusbasedonPLCandthemonolithicintegratedcircuitdifferenceevenmoreclearlytoknowPLC,isfamiliarwiththePLCcontrolsystemtothestudentthestructureandtheprincipleofworkaswellasthestudytrapezoidalchartcompilationallhastheverybighelp.Thissystemisasystemwhichcontrolstofourconveyerbelts,thisequipmentissuitablefortheproduction-runsandsoon,alsomaythecargowhichproducescarryontransmitstothespecificplace.Theredundantreliabilityistheelectricitycontroldeviceessentialperformance.PLCbecauseusesthemodernlargescaleintegratedcircuittechnology,usedthestrictproductioncraftmanufacture,theinternalcircuithasadoptedtheadvancedantijammingtechnology,hadtheveryhighreliability.MachinetheexternalcircuitsaidfromPLCthat,usesthePLCconstitutioncontrolsystem,compareswiththesamelevelscalerelaysystem,theelectricalwiringandtheswitchcontactreducedtoseveralhundredevenseveral1/1,000,thebreakdownalsogreatlyreduces.Inaddition,PLChasthehardwarebreakdownself-examinationfunction,appearswhenthebreakdownmaypromptlysendoutthewarninginformation.Intheapplicationsoftware,theapplicationalsomayenrolltheperipherycomponentthebreakdownfromthediagnosticprogram,causesinthesystemalsoobtainsthebreakdownbesidesPLCelectriccircuitandtheequipmentfromthediagnosisprotectionKeyword:ControlProgrammablecontroller井冈山大学毕业设计论文3目录混料传送带PLC控制系统设计与安装..................................................................错误!未定义书签。摘要.........................................................................................................................................................1Abstract......................................................................................................................................................21绪论.....................................................................................................................................................41.1设计皮带输送机的意义.............................................................................................................41.2皮带输送机的概述.....................................................................................................................41.3PLC简介.....................................................................................................................................51.4本文主要研究的内容.................................................................................................................92皮带输送机的硬件设计.....................................................................................................................102.1皮带输送机的工作原理............................................................................................................102.2硬件实现...................................................................................................................................112.2.1CPU处理模块................................................................................................................112.2.2PLC的I/O分配及功能表.............................................................................................122.2.3PLC的外部接线............................................................................................................132.3硬件抗干扰设计........................................................................................................................143皮带输送机的软件设计.....................................................................................................................163.1自动输送模块的设计................................................................................................................163.1.1程序的设计.....................................................................................................................173.1.2程序分析.........................................................................................................................173.2故障检测模块的设计...............................................................................................................183.2.1程序的设计.....................................................................................................................183.2.2程序分析.........................................................................................................................194皮带输送机监控界面的设计.................................