​厦门莫格电气自动化有限公司销售HARRISSD-099980-M1您迈开询价的一小步，我还您成功的一大步。HARRISSD-099980-M1HARRISSD-099980-M1HARRISSD-099980-M12.5事件驱动核心事件驱动核心的主要功能是仲裁系统中各个任务的先后顺序。事件驱动核心的“心跳”在硬件抽象层完成，通过RTC时钟滴答进行判断或触发事件，设计这一部分目的是让应用层工程师专注于用户需求，因为大多数情况下，事件驱动核心及相关子层的设计是整个系统的核心任务，可以通过定期的维护和更新这个“内核”对产品进行升级。事件驱动核心与各层之间的关系如图2-8所示。图2-8事件驱动核心与各层之间的关系图基于事件间的驱动接口可采用结构Event进行封装，该结构包含了当前事件和上一事件的信息，同时可以在事件之间传输数据指针，如下所示：StructEvent{CurrentEvent,.PreEvent,Pdata}3结束语本文介绍的分层设计、逐级调用的代码架构设计方法已经在新一代的智能仪表中使用，并取得了明显的效果。在智能仪表的软件代码设计中，利用这种分层的系统架构设计有如下优点：（1）提高软件质量，缩短产品的开发周期。在仪表开发期，统一的函数接口和常用算法的统一管理，大大提高代码的可重用性，避免重复开发，从而进一步提升开发人员利用率，减少嵌入式代码工程师的工作量，缩短了产品的开发时间。（2）简化设备后期的升级维护。在仪表维护期，清晰的程序结构和统一的接口可有效避免潜伏的BUG，提高产品的稳定性；在更改层的具体实现代码时，只要函数接口保持稳定，则不必修改其它函数，大大简化产品的升级维护工作。参考文献：[1]贾灵,王薪宇,郑淑军,等物联网/无线传感网原理与实践[M].北京航空航天大学出版社,2011,1.[2]孟彦京,陈卓，事件驱动的程序设计方法在嵌入式系统中的应用[J].电气自动化,2009年06期.[3]李臣亮，事件驱动架构及应用[J].软件世界,2007年21期[4]何鸿君,曹四化,褚祖高,罗莉,宁京宜,董黎明,李朋，一种改进的事件驱动系统框架[J].国防科技大学学报,2008年03期[5]孙秋冬，软件系统的分层设计[J].计算机工程与应用,2001年第7期GEMultilinT60TransformerManagementRelayT60E00HKHF8NH6CMXXPXXUXXWXXGEGEMultilin***MII-PD512-120SIMotorManagerII***MIIPD512120GeneralElectricGEMultilin***MII-PD511-120SIMotorManagerII***MIIPD511120GeneralElectricGEMultilinPQMPowerQualityMeterGeneralElectricPQMRelayGEMultilinD60LineDistanceRelayD60J03HMHF8LH6NM6NP6CU6CWXXGeneralElectricGEMultilinMMII-PD-1-2-240MM2MotorManagerMMIIPD12240GeneralElectricRelayGEMultilin169169Plus-100P-120MotorManagementRelayGeneralElectric169P100GEMultilinFeederProtectionRelaySR735SR735-5-5-HI-485Ver.#25D152D1.000GEMultilin369-HI-R-M-0-0369MotorManagementRelayFirmware53CMB170.000NEWGEMULTILINfeedermanagementRELAYSR745MODEL#W2P5G5HIARE,newOEMoriginalGEMultilin269269-100P-120MotorManagementRelayGeneralElectric269100P120GEMultilin369-HI-0-M-0-0-0-0369MotorManagementRelayFirmware53CMC340.000GEMultilinPQM-APowerQualityMeterGeneralElectricPQMARelayGEMultilin239MotorProtectionRelayGeneralElectricFirmware64C263***.000GEMultilinF60FeederManagementRelayF60G00HKHF8LH6NMXXP6NUXXW7HGEGEMultilinF35FeederProtectionSystemF35G00HKHF8RH6NM8RP6NU8MW6NF35GEGEMultilinF35FeederProtectionSystemF35G00HKHF8RH6NM8RP6NUXXW6NF35GEGEMultilinHID32HighImpedanceDifferentialModuleHID125VDC8W125VDCGEMultilinC60BreakerManagementRelayC60E00HKHF8LH6EM6CPXXUXXWXXGEGEMULTILIN239MOTORPROTECTION250VAC10ARESISTIVERELAYUSEDFromCanadaGEMultilinPQM-T20-C-APowerQualityMeterGeneralElectricPQMT20CARelayGEMultilinT60TransformerManagementRelayT60G00HCHF8FH6PM8HP6PUXXWXXGEGEMultilinL90LineDifferentialRelayL90G00HCHF8FH6PLXXNXXSXXUXXW7DGEGEMultilinF35MultipleFeederManagementRelayF35G00HCHF8FH6PM8HP6PUXXWXXGEMultilinF60FeederManagementRelayF60G00HCHF8HH6PM8HP6NU8HWXXGEGEMultilinF35MultipleFeederManagementRelayF35G00HCHF8HH6PM8HP6NU8HWXXNEWGEMultilinSR760/SR750FeederProtectionRelay760-P5-G5-S5-HI-A20-R-TGEMULTILINMULTINET-FESERIALTOETHERNETCONVERTER-CHOOSEONE-MACALLDIFFNEW*GEMULTILINHARDFIBERBRICKSWITCHYARDHARDENEDINTERFACEBRICK-4-HI-CC55GEMULTILIN269MotorManagementRelay269PLUS-100N-120FromCanadaGEMULTILINMOTORMANAGERIIMMII-PD-1-2-120FromCanadaUSEDGEMULTILIN269PLUS-100P-120VACMOTORMANAGEMENTRELAY(TR9)Multilin/GE169-120N-120169MotorManagementRelay169120N120CustomsservicesandinternationaltrackingprovidedGEMultilin269PlusMotorManagementRelayUnit48vdcGEMultilin269PlusMotorManagementRelayUnit48vdcMultilinInc.169-120N-120169MotorManagementRelay120VGeneralElectricGEGEMultilinModel:***10-120Serial:F0750028120VMotorManagementRelayGEMultilin269PLUS-100P-HI269MotorManagementRelayF/W52E604C0.000PlusGEMultilin169PLUS-100P-120169MotorManagementRelayP/N25-135-288-109PlusGEMultilinMM300-GEHDSCALowVoltageMotorManagerNEWFromChinaGEMULTILIN269PLUS-100P-HI120VACMOTORMANAGEMENTRELAYNEWGEMULTILINSR735735METERSR735-5-5-LO-485FEEDERPROTECTIONGENERALELECTGEMultilinFeederManagementRelayMIFIIMIFIIPA55E00H100GEMultilinSR469-CASESR469CASENEWGELimitampMultilinStarter350HP4160VCR194A118D2NewlylistedGEMultilin565-5-5-0-ARelay(InBox)/FeederManagementGEMultilinPowerManagementRelaySR469-P5-HI-A20-EFromCanadaGEPQMMultilinPOWERQUALITYMETERRefurbishedGE/MULTILIN565-5-5-O-AFEEDERMANAGEMENTRELAY**XLNT**GEMultilin735FeederManagementRelayModel#735-5-5-HI-485**TESTED**GEMultilin369-HI-R-0-0-0-0-E369MotorManagementRelayFirmware53CMC350.000GEMULTILINMODELSPM-PFSYNCHRONOUSMOTORCONTROL40A210A0.000USEDGEMultilinSR750FeederManagementRelay750-P5-H1-A20-RFromCanadaGEMULTILINPROTECTIVERELAY120VACMODELMTM-120-P-A20CustomsservicesandinternationaltrackingprovidedGEMultilinFeederSR750-RelayPowerManagementModel750-P5-G5-D5-HI-A20-RCustomsservicesandinternationaltrackingprovidedGEPLUSMULTILINMOTORMANAGEMENTRELAYMODEL269PLUS-100P-120CustomsservicesandinternationaltrackingprovidedNEW*GEMULTILIN350FEEDERPROTECTIONRELAY350-E-P5-G5-H-E-M-C-P-3E-D-H*NIBGEMULTILINSR760760FEEDERMANAGEMENTRELAY760-P1-G1-S1-HI-A1-RNEW*GE345MULTILINTRANSFORMERPROTECTIONRELAY345-E-P5-G5-H-E-M-N-N-2E-D-NGEMULTILIN269PLUSMOTORMANAGEMENTRELAY269PLUS-100P-HINEWNIBGEMULTILIN269PLUSMOTORMANAGEMENTRELAY269PLUS-100P-HIW/SOFTWAREGE(GeneralElectric)Multilin269-10C-H1Customsservicesandinternationaltr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