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2014728397JournalofBeijingUnionUniversityJul.2014Vol.28No.3SumNo.972013-12-171991—1988—、。MODBUSTCP/IP300387海上采油平台原有的发电机组检测装置因其功能单一、且无法进入监控调度级的局域网等原因而需要升级。设计了一套基于OPC通讯的多控制器、多客户机的网络监控系统,介绍了在C/S构架下MODBUSTCP/IP技术在系统中的通信原理和实现方法。以KEPServerEX作为OPC服务器,在机组检测装置与WinCC软件(OPC客户端)之间建立通信,并以安装KEPServerEX软件的工业控制计算机为C/S服务器,将各客户机和服务器相连接,MODBUSTCP/IP协议与OPC技术的应用,提高了通信的速度及系统的扩展性。实际运行表明,基于MODBUSTCP/IP和OPC技术的多WinCC组态与多发电机组检测装置间通信实时性与稳定性良好。服务器/客户机结构;OPC协议;MODBUSTCP/IP协议;WinCC组态软件TN915.04A1005-0310201403-0058-05TheTurbinesNetworkMonitoringSystemofOffshoreOilfieldBasedonMODBUSTCP/IPProtocolLVYa-fengCHENGLi-cunSchoolofElectricalEngineering&AutomationTianJinPolytechnicUniversityTianJin300387ChinaAbstractTheexistinggeneratordetectiondeviceinoffshoreoilplatformscouldnolongerbeusedbecauseitwassinglefunctionandcouldnotaccesstheLANofmonitoringschedulingclass.Thearticledesignedamulti-controllerandmulti-clientnetworkmonitoringsystembasedontheOPCcommunicationsandintroducedthecommunicationtheoryandrealizationoftheMODBUSTCP/IPtechnologyundertheC/Sarchitecture.ThesystemputtheKEPServerEXasanOPCserverestablishedcommunicationbetweenthedetectiondeviceseriesandtheWinCCsoftwareOPCclient.IndustrialcontrolcomputerinstallingtheKEPServerEXwasusedastheC/Sserverestablishingconnectionsbetweeneachclientandtheserver.ApplyingtheMODBUSTCP/IPprotocolandOPCtechnologyimprovedcommunicationspeedandsystemscalability.Theactualoperatingresultsshowthatthestabilityandreal-timecommunicationbetweenmultipleWinCCandmultiplegeneratordetectiondevicebasedonOPCandMODBUStechnologyaresatisfactory.KeywordsC/SframeworkOPCprotocolMODBUSTCP/IPprotocolWinCCsoftware283MODBUSTCP/IP0。。C/S。MODBUSTCP/IPOPCOPC。MCC。。“XX”FPSO。11.1MCC、、。1。MCC。MCCWinCCSQLServer。HMIWinCCOPCSQLServer1。。MODBUS2MOXANPort565055MODBUS。MODBUSMODBUSTCP/IPMCCOPCHMI。。1Fig.1Generatorsplashdetectiondevicenetworkstructure1.2C/SC/SClient/Server/。ClientServerClientServerServer2。C/S“”。C/S。WinCCOPCC/S。16IPKEPSeverEXOPCWinCC。HMI。1.3OPCOPCMicrosoft。OPCMicrosoftCOM、DCOMActiveX95201473。OPCC/SOPCOPCOPC。KEPServerEXOPC。KepwareOPC4。1.4MODBUSTCP/IPMODBUSTCP/IPTCP/IPMODBUSInternet。MODBUSTCP/IPTCP/IP55RJ45。/。32IPIP。、、、、、。MODBUS。2MODBUSTCP/IP、3。2MODBUSTCP/IPFig.2TheMODBUSTCP/IPprotocolmessageMBAPTCP/IPMODBUS。MBAPMODBUS。IPMODBUS。MODBUS/MODBUS4、、6。1。1MODBUSTCP/IPTable1TheMODBUSTCP/IPbasicdatatables1I/O1-16I/O16-22.13PLCCPUMODBUSRTUMODBUSTCP/IP。KEPServerExMODBUSOPCCPU。OPC37OPCserverOPCgroupOPCItem。OPCKEPServerEXOPCserverOPCserverOPCOPCgroupOPCOPCOPCgroupOPCgroupOPCitem、OPCItemOPCItem。HMIWinCCOPCKEPServerOPCItemPDBprocessdatabase。、、PDBWinCCPLC。PLCWinCCWinCCPLC。2.2、MOXANPort565006283MODBUSTCP/IP3Fig.3Principleofnetworkmonitoringsystemofcommunication。4MOXANPort5650KEPServerExWinCCWinCCMODBUS。2.2.1MOXANPort5650MOXANPort5650CPU、TCP/IPIP、、。NPortWindowsDriverManagerIPIP。5“Maxconnection”4。“REALCOM”。2.2.2KEPServerExMCCKEPServerEx5SPLASH_OIL1SPLASH_OIL5。MODBUSSerialCOM。IDMODBUS1。。DG_1DG_5MODBUSTCP/IP。COM。。4100001200001300001400001、、8。300009400026。2.2.3WinCCOPC。WinCCOPC。OPCGroupsOPCOPCClientDriverOPC。OPCLOCALOPCKEPware.KEPServerEx。OPCOPCKEPServerEXOPCItemWinCC“”“”KEPServerEXchannel、GroupItemWinCCWinCC。1620147KEPServerEX300009、400026。C/SClientWinCCOPCOPCWORKGROUPKEPServerEX7。ClientOPC。WinCCWinCC。。Engine_speedChannel2.SPLASH_OIL_2.Engine_speedChannel2KEPServerEXCOMSPLASH_OIL_2Engine_speed。Engine_speed。3。4。WinCC、4Fig.4Monitoringsystemrunconfigurationscreen、。C/SMODBUSTCP/IPOPCHMI1MODBUSTCP/IP。2C/S。3OPC。MODBUSTCP/IPOPC。1.J.200931218-30.2.B/SOPCCometJ.201232S2214-216.3.MODBUSJ.2013211236-239.4.ModbusJ.201232S2206-209.5.OPC、ModbusModbusTcp/IpiFIXPLCJ.2013362260-264.6.OPCJ.20133814266-271.7.OPCiFIXPLCJ.20093082064-2070.8.DCSJ.20062682792-2794.责任编辑26
本文标题:基于MODBUS TCP_IP协议的海上油田发电机组网络监控系统
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