PLC加料系统设计

responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志PLC加料控制系统设计一、概述在现代科学技术领域中，自动控制技术起着愈来愈重要的作用，而且，随着生产和科学技术的发展，自动化水平也越来越高，自动控制利用控制装置是被控对象的某个参数自动的按照预定的规律运行，本设计的自动加料控制系统就是采用自动控制技术来实现功能的，及时准确地加料，可更好地为生产服务。这样就大大提高了工作的效率，整个过程又快又稳。二、系统及工艺过程实现基于S7-200加料系统控制设计。进行加料控制系统研究和分析；进行PLC应用研究和分析；进行加料PLC系统硬件设计，PLC软件编程设计，对程序进行调试。三个电机均采用三相交流异步机，其中传送带电机M3、M4功率为4000瓦，额定电压为380V,额定电流为10A，M1功率为2000瓦，额定电压为380V,额定电流为5A。加料系统工艺过程：加料系统原理图三、系统控制要求：（1）启动后，M3得电，输送带运转和开始进料。当称斗中的原料达到设定重量，S3动作，接通M4,切断M3，停止进料，同时M1得电，M1电机正转，打开称斗闸门，下料至传送带，当闸门完全打开，碰撞S1，切断M1。（2）当称斗中原料下完，S4动作，接通M1电机的反转，关闭闸门，当闸门完全关闭，碰撞S2，切断M1，接通M3，料仓重新开始下料。（3）当按停车时，应等称斗中的原料下完，再延长10秒，待传送带上的原料输送完毕，才切断电源。称斗料仓满信号S3空信号S4S3S4称门开信号S1称门闭信号S2闸门开M1闸门闭M1M3M4responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganizedbyprice,ofhistoricalprices,totals,etc;28,accordingtotheannualoperatingplan,annualcostsandundergodecomposition,control,analysisandevaluation;responsibleforcostingandcostcontrol,ensureaccountingnumberisreasonable,correct,andcompleteaccountingreportandthecompany'sotherreportscompiledandreportedtowork;不忘初心，就是始终坚持为人民服务的爱心。党的根基在人民、党的力量在人民，为此，就需要坚持一切为了人民、一切依靠人民。这让我想到了被赞为“农民的代言人”、“最敢为农民说话的代表”毛丰美同志、被誉为“太行新愚公”的李保国同志四、控制系统的I/O点及地址分配名称符号代码地址编号输入信号启动按钮SF1I0.0停止按钮SF2I0.1称门开信号S1SF3I0.2称门闭信号S2SF4I0.3满信号S3SF5I0.4空信号S4SF6I0.5输出信号电机M1M1QA1，QA2Q0.0，Q0.1电机M3M3QA3Q0.2电机M4M4QA4Q0.3五、PLC系统选型从上面分析可以知道，系统共有开关量输入点6个、开关输出点3个；参照西门子S7-200PLC产品目录及市场实际价格，选用主机为CPU222(8入/6继电器输出)一台。六、电气控制系统原理图1、主电路图如图1-1所示为电控系统主电路。三台电动机分别为MA1、MA3、MA4。接触器QA1、QA2分别控制MA1正反转，QA3、QA4分别控制MA3和MA4，BB1、BB2、BB3分别为三台电动机过载保护用的热继电器。responsibleforthedevelopmentofcompanymanagement,includingthedevelopmentofsettlementandsettlementstandardsofpreparation,thebusinessunitclearingworkinspectionandguidance,businesssettlementaudit;23,isinchargeofthecompanybusinessandcostscalculationandanalysisofnewprojectsandtodevelopstandardsandprovidethebasisfordecision-makingandresponsibleforthecomprehensiveeconomicandtechnicalindicatorsandstatistics,analysis,summaryandreporting;24,thecompanyresponsibleforauditsofvarioustypesofbusinesscontracts,theprincipalofcontractprice(purchaseprice,freight,taxes,etc),paymentmethod,payment,settlement,suchasthereasonablenessofthedata,authenticity,accuracy;25,strictenforcementofnationaltaxpolicy,isresponsibleforthemonthlyreporting,includingtaxcalculations,statistics,gothroughtherelevantformalities,receiveinvoices;26,thecompanyresponsibleforallkindsofprice(includingproductprice,materialprices,Freight,engineeringmachineryjobsprice,price,price)'stermsofmarketsurveys,quotations,priceexceptionreport;27,isresponsibleforthecompany'smanagement,includingconferenceorganiz