题目:砂轮自动配料系统设计中文摘要本课题综合运用了可编程控制器PLC、变频器技术和触摸屏技术。能解决传统人工称重配料,带来一系列问题,比如,粉尘大带来的职业病,配方复杂变更麻烦,称重不准确而造成的质量问题等。并且该控制装置,适用不同种类的砂轮进行配料。同时,系统拥有着操作简单、维护方便、可靠性高等优点,从而大大的提高了生产效率,降低了企业的管理难度。关键词PLC自动称重砂轮配料控制装置毕业设计说明书(论文)外文摘要TitleDesignofgrindingwheelautomaticbatchingsystemAbstractThistopicintegrateduseoftheprogrammablecontrollerPLC,frequencyconvertertechnologyandtouchscreentechnology.Cansolveinweighingingredients,bringaseriesofproblems,forexample,largedustofoccupationaldisease,complexformulachangetrouble,weighingthequalityproblemcausedbyinaccurateandsoon.Andthecontroldevice,itissuitablefordifferentkindsofgrindingwheelforingredients.Atthesametime,thesystemhastheadvantagesofsimpleoperation,convenientmaintenanceandhighreliability,thusgreatlyimprovestheproductionefficiency,reducestheenterprisethemanagementdifficulty.KeywordsPLCautomaticweighingingredientscontrolofgrindingwheeldevice目次1引言.................................................................11.1课题来源.............................................................11.2设计内容.............................................................11.3设计意义.............................................................12.砂轮配料系统总体设计方案.............................................32.1设计思路.............................................................32.2设计方案.............................................................42.2.1硬件设计...........................................................42.2.2软件设计...........................................................53.系统硬件设计及选择....................................................63.1工作原理.............................................................63.2主电路设计...........................................................63.3控制电路设计.........................................................83.3.1系统I/O分配.......................................................83.3.2控制电路设计.......................................................93.4系统元器件的选型....................................................104.系统软件设计.........................................................144.1工作流程............................................................144.1.1手动模式..........................................................144.1.2自动模式..........................................................144.2系统各部分主要程序..................................................154.2.1启动程序..........................................................154.2.2计算程序..........................................................164.2.3送料皮带程序......................................................185.系统监控界面设计.....................................................195.1新建项目............................................................195.2建立连接...........................................................195.3设置变量............................................................205.4界面设计...........................................................205.5项目下载...........................................................236.系统调试与操作....................................................