Profinet 實時

1、實時Profinet A&D CS2 FA2 2 Service & Support2PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET自動化發(fā)展趨勢n集中控制-分布式控制 n在所有的自動化層上使用以太網(wǎng)n在自動化系統(tǒng)中開放式的IT 標準得到更多的應用 nIT和自動化系統(tǒng)一起發(fā)展需求需求& & 發(fā)展趨勢發(fā)展趨勢3 3 Service & S

2、upport3PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET形成統(tǒng)一網(wǎng)絡的結(jié)構(gòu)n減少接口n設備的安裝范圍更廣闊n至上而下從企業(yè)控制層直到現(xiàn)場層的連續(xù)在自動化系統(tǒng)中使用IT-技術(shù)的優(yōu)勢n遠程訪問nWeb 服務n軟件更新相對當前系統(tǒng)的高級之處n更高的性能n沒有數(shù)量的限制n操作簡單為什么在工業(yè)環(huán)境中使用以太網(wǎng)?需求需求& & 發(fā)展趨勢發(fā)展趨勢4 4 Service

3、& Support4PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETIndustrial AutomationIndustrial Automation工業(yè)自動化對于以太網(wǎng)的特殊要求Industrial Industrial approved approved InstallationInstallationPlant widePlant wideEngineering

4、EngineeringHigh High AvailabilityAvailabilityQuickQuickReaction TimesReaction TimesEfficientEfficientNetwork and Network and DeviceDeviceDiagnosticsDiagnosticsConfigurableConfigurableAccess ProtectionAccess ProtectionSafety approvedSafety approvedApplicationsApplicationsIntegrationIntegrationof exis

5、tingof existingPlantsPlants需求需求& & 發(fā)展趨勢發(fā)展趨勢5 5 Service & Support5PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET 基于工業(yè)以太網(wǎng)標準全面地解決方案全面地解決方案! !PROFINETIT-StandardsIT-Standards& Security& Se

6、curityProcessProcessDistributedDistributedIntelligenceIntelligenceDistributedDistributedField DevicesField DevicesMotionMotionControlControlReal-timeReal-timeCommunicationCommunicationNetwork Network InstallationInstallationSafetySafetyAnswer: PROFINETAnswer: PROFINET6 6 Service & Support6PROFIN

7、ET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET 是由PROFIBUS & PROFINET International (PI)PROFIBUS & PROFINET International (PI)推出推出的的開放式工業(yè)以太網(wǎng)標準PROFINET 是基于工業(yè)以太網(wǎng)PROFINET 遵循 TCP/IP 和 IT標準PROFINET 是實時以太網(wǎng)PROF

8、INET 可以無縫集成現(xiàn)場總線系統(tǒng) PROFINET 解決方案!PROFINETPROFINET7 7 Service & Support7PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET from PROFIBUS International此體系的開發(fā)是依靠 n12 工作組n大約 140 員工n來自 60 公司PROFINET PROFINET 來自

9、世界上最大的現(xiàn)場總線組織來自世界上最大的現(xiàn)場總線組織PROFIBUS & PROFINET International (PI)PROFIBUS & PROFINET International (PI)在世界上擁有超過在世界上擁有超過 1,400 1,400 成員成員 25 Regional 25 Regional AssociationsAssociations(RPA)(RPA)35 PI Competence 35 PI Competence Center (PICC)Center (PICC)8 PI Test 8 PI Test Laboratories (PITL

10、)Laboratories (PITL)PROFINETPROFINET8 8 Service & Support8PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET模塊化設計可以更好的對工程進行保存和移植可以保護投資方利益，可以集成現(xiàn)有的 PROFIBUS 設備等由于基于以太網(wǎng)和IT標準，因而有很強的適應性 運動控制的性能提高了40倍PROFINET the main

11、topicsPROFINETPROFINET9 9 Service & Support9PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET 用一條電纜執(zhí)行所有任務IndustrialIndustrialEthernetEthernetWeb/TCP/IPWeb/TCP/IPDiagnosticsDiagnosticsWLANWLANHMIHMIPLCPLC

12、PG/PCPG/PCField deviceField deviceField deviceField device一般情況下的自動化系統(tǒng)拓撲一般情況下的自動化系統(tǒng)拓撲 PLCPLCPROFINETPROFINETField deviceField device1010 Service & Support10PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETField d

13、eviceField deviceIndustrialIndustrialEthernetEthernetWeb/TCP/IPWeb/TCP/IPDiagnosticsDiagnosticsIWLANIWLAN PROFINETPROFINET體系下的自動化系統(tǒng)拓撲體系下的自動化系統(tǒng)拓撲HMIHMIPG/PCPG/PCPLCPLCField deviceField deviceDriveDriveMotionMotionControlControlAccess-Access-PointPoint PROFINET 用一條電纜執(zhí)行所有任務PROFINETPROFINET1111 Service

14、& Support11PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET對用戶產(chǎn)生的利益和附加值連接任意一個自動化設備到任意一點上所有自動化應用程序的運行僅僅通過一條電纜，如：Real-time 和 TCP/IP標準自動化系統(tǒng)和故障安全系統(tǒng)也僅通過一條電纜;如果必要的話, 通過工業(yè) WLAN也可以把無線接入自動化系統(tǒng)中對于工程實施，設備安裝和維護來說具有更好的靈活性和更低

15、對于工程實施，設備安裝和維護來說具有更好的靈活性和更低的成本的成本PROFINET 用一條電纜執(zhí)行所有任務!PROFINETPROFINET1212 Service & Support12PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET術(shù)語實時性 (Real time) 系統(tǒng)在預定的時間內(nèi)處理外部事件確定性 (Determinism) 系統(tǒng)的動作可預測 (確定的)反應時

16、間 (Latency) 事件發(fā)生到對該事件做出響應的時間間隔抖動 (Jitter) 反應時間的波動同步 (Synchronism) 事件的同時發(fā)生等時性 (Isochronisms) 確保傳輸帶寬PROFINETPROFINET1313 Service & Support13PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET訪問方法訪問方法 Ethernet 采用隨機爭用

17、型介質(zhì)訪問方法(CSMA/CD) 存在的問題：如果網(wǎng)絡負載過高，無法預測網(wǎng)絡延遲時間 TransmittTransmittererSwitchSwitchSwitchSwitchSwitchSwitchSwitchSwitchSwitchSwitchSwitchSwitchReceiverReceiverA AB BC CD DE EF FFurther stationsFurther stations 只要有通信需求，各以太網(wǎng)節(jié)點 (A-F) 均可向網(wǎng)絡發(fā)送數(shù)據(jù) 報文可能在主干網(wǎng)中被緩沖 PROFINET PROFINET 實時實時使用使用CSMA/CDCSMA/CD進行沖突識別進行沖突識別

18、1414 Service & Support14PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET交換技術(shù) 以太網(wǎng)幀的優(yōu)先級劃分在 IEEE 802.1q 標準中定義 四個額外的數(shù)據(jù)字節(jié)用于控制不同優(yōu)先級數(shù)據(jù)幀的傳輸 數(shù)據(jù)幀 1 正在發(fā)送中 ，無法中斷正在進行的傳輸任務 數(shù)據(jù)幀 2 的優(yōu)先級低于數(shù)據(jù)幀 3 ，因而被暫時擱置Port 1Port 1Queue Queue f

19、or port 1for port 1Port 2Port 2Port 3Port 31 13 32 21 13 32 21 12 23 3PROFINET PROFINET 實時實時1515 Service & Support15PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET改善的通信堆棧性能數(shù)據(jù)準備和處理所需的時間與通信無關(guān)優(yōu)化通信堆棧循環(huán)時間線路傳輸時間可忽略

20、(100 Mb/s) 提供提供 數(shù)據(jù)數(shù)據(jù)通信堆棧通信堆棧提供者提供者處理處理 數(shù)據(jù)數(shù)據(jù)通信堆棧通信堆棧消費者消費者傳輸傳輸 T1 T2 T3PROFINET PROFINET 實時實時1616 Service & Support16PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET現(xiàn)場通信中的 QoS 要求QoS QoS 級別級別1 12 23 34 4應用類型應用類型控

21、制器之間控制器之間分布式分布式 IO IO 設備設備運動控制運動控制組態(tài)編程組態(tài)編程/ /參數(shù)參數(shù)反應時間反應時間100ms100ms10ms10ms1ms1ms盡力盡力抖動抖動/ / /1us1usPROFINET PROFINET 實時實時1717 Service & Support17PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET如何獲得以太網(wǎng) QoS使用專用交

22、換技術(shù)和全雙工 FCX 通道 遵循 IEEE802.1D/Q 的優(yōu)先級別，采用服務分類 CoS 機制 時間要求嚴格的應用場合，如：RT “盡力“ 應用場合,如：VLAN 優(yōu)化設備處理時間PROFINET PROFINET 實時實時1818 Service & Support18PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETReal-time 通信DezentraleF

23、eldgerteDezentraleDezentraleFeldgerteFeldgertePROFINETIT StandardsIT Standards& Security& SecurityProcessProcessDistri-Distri-butedbutedAutomationAutomationDistributedDistributedfield devicesfield devicesMotionMotionControlControlReal-timecommunicationNetworkNetworkInstallationInstallationSa

24、fetySafetyPROFINET PROFINET 實時實時1919 Service & Support19PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET 實時通信PROFINET 根據(jù)性能不同可劃分為兩種實時類型 (Ethertype 0 x8892).實時 (RT): 使用標準網(wǎng)絡器件 工作特性與目前的現(xiàn)場總線類似 (如 PROFIBUS) 典

25、型應用場合：工廠自動化 基于地址的通信等時實時 (IRT): 時鐘同步的通信 借助硬件 Switch-ASIC 芯片 典型應用場合：運動控制中的驅(qū)動控制 基于時間的通信PROFINET PROFINET 實時實時2020 Service & Support20PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETRT 通信要求更新時間工廠自動化： 5-10 ms運動控制：1

26、ms，抖動 1s (時間同步)處理器負責應用程序的處理，實時通信不應過分占據(jù)處理器資源 處理器的主要任務是處理應用程序?qū)崟r通信必須可應用于現(xiàn)有的以太網(wǎng)絡結(jié)構(gòu)中對現(xiàn)有通信不造成影響使用標準網(wǎng)絡器件 (如交換機) 裝置采用標準以太網(wǎng)控制器PROFINET PROFINET 實時實時2121 Service & Support21PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINE

27、T實時通信： RTRTRTRT 具備類似于 PROFIBUS 的實時特性 總線循環(huán)時間實際可達 5 至 10 msPROFINET 與 TCP/IP 標準完全兼容，不受任何限制IT servicesIT services1 ms1 ms10 ms10 ms100 ms100 msInternetInternet工廠自動化運動控制TCP/IPTCP/IPIRTIRTRTRTPROFINET PROFINET 實時實時2222 Service & Support22PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTP

28、N CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETRT 通信堆棧標準通道 TCP/IP 和 UDP/IP 組態(tài)和參數(shù)化 診斷數(shù)據(jù) 裝載 網(wǎng)絡連接 建立用戶數(shù)據(jù)通信通道實時通道 RT 高性能、循環(huán)用戶數(shù)據(jù)傳輸 事件出發(fā)的消息/報警實時實時RTRT實時實時 1 1EthernetEthernetTCP/UDPTCP/UDP PROFINET PROFINET 應用程序應用程序IT IT 應用應用e.g.e.g.n HTTP HTTPn SNMP SNMPn DHCP. DHCP.標準數(shù)據(jù)標準數(shù)據(jù)過程數(shù)據(jù)過程

29、數(shù)據(jù)IP IP 2 21 12 2PROFINET PROFINET 實時實時2323 Service & Support23PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETPROFINET報文的結(jié)構(gòu) 依照 IEEE 802.3標準的報文格式PROFINET real-time報文的Ether typen0 x0800: IP 報文n0 x8892: PROFINET

30、real-time 報文通過 Frame-ID確定接收數(shù)據(jù)的分配n循環(huán)傳輸 (過程值)n事件觸發(fā)傳輸(報警和事件)狀態(tài)信息n設備和數(shù)據(jù)狀態(tài) (如：運行，停止，錯誤)Pre-ambel7 ByteSourceMAC6 ByteDest.MAC6 BytePriorityTagging*4 ByteFrameID2 ByteFCS4 ByteProzess dataup to 1440 ByteSync1 ByteEther-type2 ByteEthernet FrameStatusInformation4 BytePROFINET specificEthernet-Standard* * Ac

31、cording to 802.1 QAccording to 802.1 QPROFINET PROFINET 實時實時2424 Service & Support24PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETSTEP 7 中組態(tài)PROFINET IO RTPN IO with RTPN IO with RT2525 Service & Support25

32、PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINET更新時間組態(tài)中定義了時間 Phase=Send clock, 在此時間內(nèi)過程數(shù)據(jù)將被發(fā)送 在同一個時間片內(nèi)，實時數(shù)據(jù)和TCP/IP數(shù)據(jù)可以被一起發(fā)送 所有設備數(shù)據(jù)更新數(shù)據(jù)的時間和就是update time1 12 23 31 13 3TCP/IPTCP/IPTCP/IPTCP/IPTCP/IPTCP/IP1 12 23 3TCP/

33、IPTCP/IP.Update time e.g.2msSend clock e.g. 1ms1 1Phase2Phase3Phase1PN IO with RTPN IO with RT2626 Service & Support26PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETiMap 組態(tài) PROFINET CBA RTPN CBA with RTPN CBA

34、with RT2727 Service & Support27PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETIT servicesIT services1 ms1 ms10 ms10 ms100 ms100 msInternetInternet工廠自動化運動控制TCP/IPTCP/IPIRTIRTRTRT等時實時通信IRTIRT運動控制要求 總線周期小于 1 ms 時

35、鐘同步及確定性 抖動小于 1s Time scheduled transmissionPN IO with IRTPN IO with IRT2828 Service & Support28PROFINET PROFINET 實時實時PN IO with RTPN IO with RTPN CBA with RTPN CBA with RTPN IO with IRTPN IO with IRT需求和發(fā)展趨勢需求和發(fā)展趨勢PROFINETPROFINETIRT 通信堆棧標準通道 TCP/IP and UDP/IP 組態(tài)和參數(shù)化 診斷數(shù)據(jù) 裝載 網(wǎng)絡連接 建立用戶數(shù)據(jù)通信通道實時通道 IRT 同步用戶數(shù)據(jù)傳輸 抖動 1sec實時實時RTRTIRTIRT實時實時 1 1EthernetEthernetTCP/UDPTCP/UDP PROFINET PROFINET 應用程序應用程序IT IT 應用應用e.g.e.g.n HT