资源描述：
《人机界面在步进加热系统中的应用》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、人机界面在步进加热系统中的应用三江学院本科生毕业设计（论文）摘要文中首先对金属热处理的工艺背景、系统功能以及各部分机构组成进行概述。针对优化控制及节约能耗的要求，设计了基于西门子S7-200PLC和组态软件protool的人机界面以实现对钢厂步进加热系统监测与控制。考虑到PLC具备反应快、可靠性高、操作简单、抗干扰性强等众多优点，可以有效地实现温度数据采集和系统的步进控制，较好地完成系统远程监控，保证系统的正常运行。本系统选择的西门子S7-200系列PLC,体积小，软硬件功能强大，系统配置方便，通讯能力强大，能够较好的与上位机进行联网，这些特
2、点在步进加热系统中得到充分的应用，对整个系统的运行起到了积极的作用。人机界面(HMI)是人与计算机之间传递、交换信息的媒介和对话接口，是计算机系统的重要组成部分。本文利用触目屏及时读取监控现场过程的时实参数,从而达到数据的采集,报警,趋势的走向等信息，方便相关人员及时对数据进行分析及处理。加之，触摸屏与PLC之间建立通讯简单，保证了整个系统数据交换的快速、稳定性。关键词：S7-200;Protool软件;人机界面;金属热处理IAbstractThedesignfirstintroducesthebackgroundofthemetalheat
3、treatmentprocesses,systemfunctions,aswellassomeinstitutions.Foroptimalcontrolandenergyconservationrequirements,theauthordesignedandbasedonSiemensS7-200PLCman-machineinterfaceconfigurationsoftwareProtoolsteelsteptoachievetheheatingsystemofmonitoringandcontrol.BecausethePLCha
4、sfastresponse,highreliability,simpleoperation,stronganti-interferenceofthemanyadvantages，sothesystemcaneffectivelyachievethetemperaturestepdataacquisitionandsystemscontrol,remotemonitoringwellcompletionsystem.ThesystemselectedSiemensS7-200seriesPLCnotonlyownsmallsize,powerf
5、ulhardwareandsoftware,butalsocanconfiguratesystemeasilyandcommunicatepowerfullysothatbetternetworkingwiththehostcomputer.HumanMachineInterface(HMI)iscalledmediumordialogueinterfacesforexchanginginformationbetweenpeopleandcomputers,anditisanimportantpartofthecomputersystem.T
6、ouchscreenisusedtomonitorthescene,inshort,relevantparametersoftheworkshopisredouttodemonstratetotherelevantpersonneltoanalyzesystemoperationtoachievethedatacollection,alarm,informationaswellastrends.Inaddition,thesimplicityofcommunicationbetweentouchscreenandPLCensurethatth
7、esystemcanexchangedaterapidlyandstability.Keyword:S7-200;Protoolsoftware；HumanMachineInterface；MetalHeatTreatmentII目录摘要·····································································································IAbstract·············································
8、····················································II第一章绪论·······················
