无锡城市职业技术学院毕业设计报告中文题目基于PLC的传送带控制系统设计英文题目DesignofcontrolsystemoftheconveyorbeltbasedonPLC姓名徐蒙蒙所在系部电子信息工程系所学专业电气自动化班级名称电气自动化1203学号41215302指导教师李晓娓日期2014年11月30日目录摘要.............................................................................................................IAbstrat......................................................................................................II一、引言....................................................................................................1二、传送带的概述......................................................................................1(一)传送带系统的概述....................................................................1(二)传送带的控制要求....................................................................2三、传送带控制各系统特点.......................................................................2(一)继电器-接触器控制特点...........................................................2(二)单片机控制特点........................................................................3(三)PLC控制特点............................................................................3四、基于PLC控制的硬件设计...................................................................4(一)PLC选型....................................................................................4(二)I/O分配....................................................................................5(三)PLC外部接线图.........................................................................7五、基于PLC控制的软件设计.................................................................8(一)程序控制流程图........................................................................8(二)主电路设计...............................................................................9(三)梯形图......................................................................................9(四)仿真........................................................................................14六、结束语...............................................................................................19参考文献..................................................................................................20谢辞..........................................................................................................21附录..........................................................................................................22无锡城市职业技术学院12级电气自动化专业毕业设计报告(论文)I摘要摘要:自工业化大生产以来,随着经济的飞速发展,企业竞争越来越激烈,各国的工程师和企业主都在努力寻找如何提高生产率,如何降低成本的方法,而这一切也都是为了使效益最大化。为了提高效率,降低成本,传送带得到了广泛的应用。传送带的运用不仅节约了劳动成本,提高了生产效率,而且降低了生产成本,在工业生产中发挥了巨大作用。未来,传送带设备将向着大型化发展,扩大使用范围,物料自动分拣,降低能量消耗,减少污染等方向发展。本设计结合传送带的实际模型,针对PLC本身具有的功能特点,成功的实现对传送带系统的控制,达到了预期的控制效果。传送带设备的不断改进,不断发展,为自动化技术高速发展的今天,做出了不可磨灭的贡献。可编程控制器(PLC)是以计算机技术为核心的通用自动控制装置,在各行各业中得到了广泛的应用。有着160年历史的西门子公司,同时作为自动化领域技术、标准与市场的领先者,以最先进的技术和产品,向用户提供具有先进、可靠的解决方案。可编程控制器与以往那些基于文本的高级编程语言不同,它采用的是一种全新的梯形图和助记符编程方式,即用形象的图行符号和连线来代替一行一行的文本,这种编程序的方法使用起来比较简单方便,特别是对继电器控制电路有所了解的技术人员来说,就更容易使用梯形图语言。可编程控制器是一台计算机,它是专为工业环境应用而设计制造的计算机。它具有丰富的输入/输出接口,并且具有较强的驱动能力。但可编程控制器产品并不针对某一具体工业应用,在实际应用时,其硬件需根据实际需要进行选用配置,其软件需根据控制要求进行设计编制。关键词:PLC;传送带无锡城市职业技术学院12级电气自动化专业毕业设计报告(论文)IIAbstratAbstract:sincetheindustrialproductionsince,withtherapiddevelopmentofeconomy,enterprisesincreasinglyfiercecompetition,countriesengineersandbusinessownersarelookingforwaystoimproveproductivity,howtoreducethecostofthemethod,andthateverythingisinordertomaximizethebenefits.Inordertoimprovetheefficiency,reducethecost,theconveyorbeltiswidelyused.Theuseofbeltnotonlysavesthelaborcost,improveproductionefficiency,andreducestheproductioncost,hasplayedahugeroleinindustrialproduction.Thefuture,conveyorequipmentwillbelarge-scaledevelopment,expandthescopeofuse,automaticmaterialsorting,reduceenergyconsumption,reducepollutionanddevelopmentdirection.Thedesignoftheactualmodeloftheconveyorbelt,functionaccordingtothecharacteristicsofthePLCitselfhas,toachievecontroloftheconveyorbeltsystemsuccessfully,achievedtheexpectedcontroleffect.Continuousimprovement,conveyorequipmentdevelopment,fortherapiddevelopmentofautomationtechnology,hasmadetheindeliblecontribution.Programmablelogiccontroller(PLC)isthegeneralautomaticcontroldevicetothecomputertechnologyasthecore,hasbeenwidelyappliedinallwalksoflife.A160yearhistoryoftheSIEMENScompany,atthesametime,asaleaderinautomationtechnology,standardandmarket,withthemostadvancedtechnologyandproducts,provideadvancedandreliablesolutiontotheuser.Programmablecontrollerandthosepasttexthigh-levelprogramminglanguagesbasedondifferent,itusesanewladderdiagramandmnemonicprogrammingmode,textwithgraphforsymbolsandlineimageinsteadofalineoftheprogram,thismethodissimpleandconvenienttouse,especiallythetechnicalstaffunderstandingoftherelaycontrolcircuit,itiseasiertousetheladderlanguage.Theprogrammablecontrollerisacomputer,itisdesignedforindustrialenvironmentapplicationsandthedesignandmanufactureofcomputer.Ithasawealthofinput/outputinterface,andhasastrongdrivecapability.Butthe无锡城市职业技术学院12级电气自动化专业毕业设计报告(论文)IIIprogrammablecontrollerproductsarenotforaspecificindustrialapplications,inpracticalapplication,itshardwareconfigurationwasselectedaccordingtotheact