NanjingNanjingNanjingNanjingFriendsFriendsFriendsFriendsElectricalElectricalElectricalElectricalEquipmentEquipmentEquipmentEquipmentCo,.LTDCo,.LTDCo,.LTDCo,.LTD南京兆友电器设备有限公司ReeferReeferReeferReeferContainerContainerContainerContainerMonitoringMonitoringMonitoringMonitoringSystemSystemSystemSystemRMSRMSRMSRMS2200220022002200冷藏箱监控系统RMS2200RMS2200RMS2200RMS2200SystemSystemSystemSystemOverviewOverviewOverviewOverview系统概述TheRMS2200isdesignedformonitoringandcontrolofreefercontainersequippedwithpowerlinemodemscomplyingwiththeISO-10368standardforpowercabletransmission(PCT).Thesystemisbuilt-upofthefollowingmaincomponents:RMS2200是为装备有电缆调制解调器、PCT符合ISO-10368标准的冷藏箱设计的监视和控制系统。系统由以下几个主要元件组成:Themastermonitoringdisplay(MMD2200)providestheHMIfortheoperatorbasedonthewellknownWindowsenvironment.AllremotemonitoringfunctionsarecomposedanddecipheredthroughtheGRASPsoftwareinstalledontheMMD2200.TheGRASPsoftwareallowstheusertoreviewand/ordetectcontainerconditionsfromthemonitoringarea.AgraphicalprinterwillbeprovidedforprintoutsoftheinformationgeneratedbytheGRASPsoftware.TheMMD2200isinterfacedtotheCCUsviaRS-232serialconnections.AseparateserialconnectiontoanexternalloadingcalculatortypicallyviaEthernetisavailable.主监控显示（MMD2200）提供WINDOWS环境下的人机操作界面。所有遥控监视功能都由安装在MMD2200上的GRASP软件组成并破译。GRASP软件允许用户回顾并/或者探测监控区域里的冷藏箱的状况.由GRASP软件生成的信息将由提供的图形打印机打印出来.MMD2200和CCU将由RS-232串行接口连接.一个外部载入计算器将由一个独立的串行接口通过以太网连接。Viathealarminterfacebox(AIB)twobinaryoutputsforconnectiontotheshipsalarmandmonitoringsystemareavailableforsystemfailureandcommonreeferalarm(outputsareNO/NCdrycontactsfor24VDC/3A).通过报警接口箱(AIB)的两个二进制输出连接至船的报警和监视系统,以此来提供系统出错和一般冷藏箱的报警.Thecentralcommunicationunits(CCU)arethemainelectroniccommunicationdevices(mastermodems)whichprocessallthesignalsbeinginjectedontothe3-phasepowercablesystem.TypicallyeachoneCCUfornarrowband(NB)andwideband(WB)willbeprovided.TheCCUswilltransfercommandsignalsgeneratedatthePC-basedmastermonitoringdisplay(MMD2200)tothepowertransceivers(ACBU)andwaitfortheresponsefromthereeferslavemodems.主通讯单元是主要的电子通讯装置(主调制解调器),它可以处理所有向三相电缆系统注入的信号.一般来说会提供给窄波(NB)和宽波(WB)各一个CCU.CCU将基于PC的主监控显示(MMD2200)生成的命令信号传输给无线电收发器（ACBU）并等候从冷藏箱隶属的调制解调器的回应。NanjingNanjingNanjingNanjingFriendsFriendsFriendsFriendsElectricalElectricalElectricalElectricalEquipmentEquipmentEquipmentEquipmentCo,.LTDCo,.LTDCo,.LTDCo,.LTD南京兆友电器设备有限公司CorrespondingtotheCCUspowertransceiverscards(ACBU)fornarrowband(NB)andwideband(WB)willbeprovided.Thesecardscontainthefinaloutputstageaswellasnoisefilteringcircuitanddirectlyinjectandretrievesignalsfromthe3-phaselinesofthepowerplant.DependingonthelayoutofthepowerplanttheACBUsmustbeinstalledinthemainswitchboardoratdefinedplacesinthesub-distribution.Eachonenarrowbandandwidebandpowertransceiverarehousedinthesameenclosure.对应于CCU，将提供窄波(NB)和宽波(WB)的无线电收发器卡(ACBU),这些卡里存储最终输出步骤和噪音过滤电路并直接从/向电动装置的三相线注入/提取信号.根据电动装置的布局,ACBU必须被安装在主配电盘上或在副分电箱的特定位置.每一对窄波(NB)和宽波(WB)被装在同一个附件内...
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