FF总线与ProfiBus总线比较.ppt

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1、现场总线Fieldbus技术相关（技术相关（Technology）数值变送技术Value transmission technology4-20mA,HART,Fieldbus4.20 mA现场设备设计现场设备设计Field Device DesignIdentical base devicePA or FF electronics设备基于设备基于PA或或FF电子模块电子模块总线系统优势Advantage of a bus system通过数字通讯可获取更多信息 More information thanks to digital communication1st value=70,322nd

2、 value=23,02单位单位unit=mbar状态状态status=ok诊断诊断diagnose=温度过高温度过高 Temerature too high15,3 mA传统方式传统方式conventional数字数字digital总线系统优势Advantage of a bus system更精确的数值More accurate valuesCPUCPUCPUCPU过程控制Process Control0-6553510-38-10+38总线系统优势Advantage of a bus system减少接线Reduced wiring传统模式传统模式conventional总线系统总线系统

3、Fieldbus Process Near ComponentProcess Near Component)控制柜控制柜cabinet连接件连接件connection elementsI/O模块模块 module总线耦合器总线耦合器buscoupler Ex i接线架接线架marshalling rackEx iPS接线架接线架marshalling rack接线盒接线盒junction box典型总线结构典型总线结构Typical Fieldbus ArchitecturePROFIBUS-PAPROFIBUS-DPRS485Coupler/LinkPROFIBUS-PAIEC 61158-

4、2 ControllerPCFOUNDATION FieldbusHigh Speed EthernetLinkingDeviceFFIEC 61158-2 ControllerPCFF FF Systemintegration with couplers/linksto PROFIBUS-DP(up to 12 Mbit/s)系统通过耦合器系统通过耦合器/链接器集成至链接器集成至Profibus-DPDirect system integration or linking devices直接系统集成或连接装置直接系统集成或连接装置Parallel use of DP-and PA field

5、 devicesDP-和和PA现场设备平行使用现场设备平行使用High Speed Ethernet(100 Mbit/s)高速以太网高速以太网LinkingDevice循环数据传输循环数据传输Cyclic(scheduled)Data TransmissionPROFIBUS-PAFOUNDATION FieldbusGSD(DDB)Master主机主机DDArbitrator仲裁仲裁主机控制数据交换（中央控制机理）主机控制数据交换（中央控制机理）One cyclic master controls data exchange(Central Control Philosophy)现场设备直

6、接进行数据交换现场设备直接进行数据交换Direct data exchange between field devices possible(Distributed Control Philosophy)从站通过从站通过GSD进行描述进行描述Slaves are described by GSD(Device Data Base-DDB)从站通过普通文件格式描述从站通过普通文件格式描述(DD file)Slaves are described by Common File Format(CFF)现场设备管理现场设备管理Field Device ManagementPROFIBUS-PAFOUN

7、DATION Fieldbus#addressDIP switchserial no.TAG no.仪表通过标记号和序列号进行管理仪表通过标记号和序列号进行管理Instrument management withTAG-number and serial number仪表通过不同的地址进行管理仪表通过不同的地址进行管理Instrument management with address地址设定可通过硬件和软件两件方式地址设定可通过硬件和软件两件方式Address setting with hardware or software现场设备管理现场设备管理Field Device Manageme

8、ntPROFIBUS-PAFOUNDATION FieldbusPROFIBUS-DPRS485coupler/LinkPROFIBUS-PAIEC 61158-2 PLCPCHigh Speed EthernetLinkingDeviceFFIEC 61158-2 PLCPCFF FF 系统扩展原则上是可能的，但并不是所有的系统扩展原则上是可能的，但并不是所有的系统供应商都支持此功能系统供应商都支持此功能Online system extension is in principle possible,but not all system suppliers support this func

9、tion在线和离线任何时候都可以而且系统不会被中断在线和离线任何时候都可以而且系统不会被中断Everytime offline and online possible.Process dont need to be interrupted.LinkingDevice技术比较技术比较Technical comparisonPROFIBUS-PAFOUNDATION FieldbusFF PNK#1#2#3#1#2#3#1PIDTemplatePV2 PV1 CV SPPIDTemplatePV2 PV1 CV SP#3#4#2 FB PID PV2 PV1 CV FB CV PID PV2 PV

10、1 本安解决方案本安解决方案Intrinsic Safe SolutionsPROFIBUS-PAFOUNDATION FieldbusIEC 61158-2 power supplybarrierSegment coupler contains intrinsically safe power supply and terminator段耦合器带有本安供电及终端段耦合器带有本安供电及终端Intrinsic safety and power supply withseparate concept本质安全与供电隔离本质安全与供电隔离Simplified intrinsic safety conc

11、ept according FISCO model依据依据FISCO模型简化的本安概念模型简化的本安概念Conventional intrinsic safety concept according FISCO model依据依据Fisco模型的传统本安概念模型的传统本安概念PROFIBUS-DPRS485IEC 61158-2 segment couplerpower supplyFF总线的防爆方案Safe Area orDiv 2/Zone 2Div 1/Zone 0/1SafeareaFF H1 segmentFF 配电器*:需配置标准 24V 电源，未标注Entity本安中继器*网端F

12、ISCO本安中继器r*网端标准中继器*网端21每一路都有短路保护和隔离输出。无需外配网端。调试工具调试工具Service ToolPROFIBUS-PAFOUNDATION FieldbusProficard/Profiboard(Softing)Commuwin II(Endress+Hauser)Coupler(Pepperl+Fuchs)PCMCIA Card(NI)NI ConfiguratorI(NI)Power Supply(NI)Bus with spursFieldbus Bus with spursTree JunctionBoxFieldbus Bus with Junct

13、ions BoxTree JunctionBoxBus with spursFieldbus I/OPoint-to-PointFieldbusPoint to Point市场比较市场比较Typical StrenghtsPROFIBUS-PAFOUNDATION Fieldbus本安应用本安应用Intrinsic safety applications(FISCO)欧洲控制系统欧洲控制系统European control systems美洲控制系统美洲控制系统 American control systems需控制设备的现场需控制设备的现场Field based control主要区域主要区

14、域 Main regions:Europe 70%,Asian 20%,America 10%主要区域主要区域 Main regions:America 70%,Asian 20%,Europe 10%Wide selection of standardized function blocksExperience in PROFIBUS-DPsince 1991EuropeIndiaSEAJapan石油及化工石油及化工 Oil&Chemicals纸浆及造纸纸浆及造纸 pulp&paper食品食品 foodIndiaSEACanadaUSABrasilArgentinaFood食品食品Chemicals(Exi)化学化学water/wastewater水水/污水污水RSA市场比较市场比较Typical Strenghts