生产线电气系统监控软件设计与开发

天津职业技术师范大学TianjinUniversityofTechnologyandEducation毕业设计专业:电气技术教育班级学号:01120114115学生姓名:周旺发指导教师:邵宝文高级工程师二〇一三年六月天津职业技术师范大学本科生毕业设计500立方发泡水泥生产线电气系统监控软件设计与开发TheDesignandDevelopmentofElectricalSystemMonitoringSoftwarefor500CubicFoamCementProductionLine专业班级：电气技术教育0813学生姓名：周旺发指导老师：邵宝文高级工程师学院：自动化与电气工程学院2013年6月摘要随着工业自动化过程控制理论和计算机技术的迅速发展，以及生产工艺对控制系统的可靠性、运算能力、扩展能力、开放性、操作及监控水平等方面提出了愈来愈高的要求。传统的DCS系统已经不能满足现在过程自动化控制的设计标准和要求，过程控制系统就是在这种形势下开发的新一代过程控制系统。自动生产线是在流水线的基础上逐渐发展起来的。它不仅要求线体上各种机械加工装置能自动地完成预定的各道工序及工艺过程，使产品成为合格的制品，而且要求在产品供料、产品搅拌、产品输送、产品切割包装等都能自动地进行。使其按照规定的程序自动地进行工作。在本控制系统中，以S7-200PLC为控制主机，对所有车间设备进行控制，用EM221和EM222扩展模块对普通I/O进行扩展，用温湿度传感器和EM231完成车间温湿度检测并且反馈到上位机监控系统。用SIWAREXMS（微量秤）称量模块实现对一定配比的原料进行称量的功能，用以太网完成三个PLC和上位机进行通讯功能，运用MCGS上位机组态对车间工作状态进行实时监控。关键词：自动化；PLC；组态；称重模块；以太网通讯ABSTRACTAsindustrialautomationprocesscontroltheoryandcomputertechnologyrapiddevelopment,andproductionprocessonthereliabilityofthecontrolsystem,operationability,theabilitytoscale,open,operatingandmonitoringlevelsputforwardmoreandmorehighdemand.TraditionalDCSsystemalreadycannotmeetnowprocessdesignstandardsandrequirementsofautomaticcontrol,processcontrolsystemisinthissituation,thedevelopmentofanewgenerationofprocesscontrolsystem.Automaticproductionlineisinthepipelineonthebasisofgraduallydeveloped.Itnotonlyrequireslineonallkindsofmechanicalprocessingequipmentcanautomaticallyaccomplishtheworkingprocedureandprocess,maketheproductsasqualifiedproducts,andrequirementsintheproductoffering,productmix,productdelivery,theproductcanautomaticallycutpackagingetc.Tomakeitworkautomaticallyaccordingtoadefinedprocedure.Inthiscontrolsystem,withtheS7-200PLCasthehost,tocontrolallplantequipment,withEM221andEM222extensionmodulefornormalI/Oextended,withthetemperatureandhumiditysensorsandEM231completeworkshoptemperatureandhumiditydetectionandfeedbacktotheuppercomputermonitoringsystem.WithSIWAREXMS(microscale)weighingmodulecanrealizethefunctionofweighingonacertainproportionofrawmaterialsandfinishthreePLCwithEthernetcommunicationfunctionandtheuppermachine,usetheMCGSupperunitstatereal-timemonitoringworkstateforworkshop.Keywords:automation;PLC;configuration;weightingsystem;Ethernetcommunication天津职业技术师范大学2013届本科生毕业设计I目录1引言.....................................................................................................................................12系统硬件设计.....................................................................................................................52.1强电设计...............................................................................................................52.1.1主电路设计................................................................................................52.1.2控制回路设计............................................................................................62.2PLC电路设计........................................................................................................82.2.1PLCCPU模块.............................................................................................82.2.2I/O模块.....................................................................................................82.2.3以太网通讯................................................................................................92.2.4称重模块....................................................................................................93上位机软件设计...............................................................................................................113.1MCGS组态系统简介............................................................................................113.1.1MCGS组态软件的定义.............................................................................113.1.2MCGS系统组成.........................................................................................113.2组态软件的使用及计算机界面控制设计说明.................................................123.2.1MCGS界面编辑.........................................................................................123.2.2新建窗口..................................................................................................143.2.3变量的定义..............................................................................................173.2.4运行策略..................................................................................................183.2.5设备窗口设置..........................................................................................284PLC程序设计...................................................................................................................364.1供料系统.............................................................................................................364.2三级搅拌系统.....................................................................................................444.3输送切割系统.......................................................................................................504.4现场调试.............................................................................................................55结论..............................................................