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Enhancing Performance in Mixed Networks: Insights from PROFIBUS, PROFINET & IO-Link Day 2011

Join us for a comprehensive exploration of the advancements and challenges in automation networks, as discussed during the PROFIBUS, PROFINET, and IO-Link Day 2011. This event highlighted the importance of determinism in mixed networks, covering topics such as line topology, switching technologies, and the integration of industrial automation with office IT systems. Discover cutting-edge techniques for optimizing performance, including the use of fast track switching and the role of fieldbuses. Gain insights into achieving lower delays and improved efficiency in your automation frameworks.

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Enhancing Performance in Mixed Networks: Insights from PROFIBUS, PROFINET & IO-Link Day 2011

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  1. De PROFIBUS, PROFINET & IO-Link dag 2011 • Share our Vision for Automation

  2. V Determinisme in Mixed Networks Peter Van PassenProduct Manager ICPN/AutomationITHARTING nv People | Power | Partnership Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  3. Mixed netwerken ?!? Office IT Ethernet IEEE 802.3 Automation IT Industrial Automation Eén Netwerk voor alle applicaties: Bureautica; Productie; Fabriek en Machine Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  4. Huidige topologie industriële automatisering Voice over IP Core Level Control Level SCADA Real-Time HMI PLC Field Level Real-Time plus Determinism Fieldbus: Profibus DP, Interbus, Devicenet … I/O I/O Drive I/O Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  5. Beperkingen „mixed“ automation netwerken Line topology met PROFINET RT standaardSwitchen Requirements: - Determinisme - cycle time ~ 1ms X X X X cascade of more than 10 Switches in line Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  6. Field bus (bus-cycle) Performantie Standaard Ethernet (IEEE 802.3) (voorbeeld met 16 Switches) delay [μ sec] Standard switching 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Drive Switches PLC I/O Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  7. Data FCS 4 Byte Automation-frames en IT-frames hebben dezelfde prioriteit! Ethernet IEEE 802.1p & 802.1q Ontoereikend! Preamble SFD Destination Source VLAN Type 7 Byte 1 6 Byte 6 Byte 8100 xx 8892 Ethernet Header Example of priorization of automation protocols Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  8. Automation-frame IT-frame PLC Switch 1 Switch 2 Switch 3 Drive 10 µsec 60 µsec 120 µsec Automation-frames moeten wachten, totdat het volledige IT-frame is verstuurd! Traffic-jam ondanks Priorization (IEEE 802.1q) (voorbeeld met 3 Switchen) Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  9. Traffic-jam ondanks Priorization (IEEE 802.1q) (voorbeeld met 5 Switchen) Store & forward Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 μsec 0 10 20 30 40 50 60 70 80 90 100 110 120 Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  10. Switching Technologie: Operating Modes Store & forward Huidige Switch Technologie: Store and Forward Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  11. Switching Technologie: Operating Modes cut through Oudere Switch Technologie: Cut through / Modified Cut through Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  12. Acceleratie met „Cut-through“ (zonder network load) Store & forward cut through Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 μsec 0 10 20 30 40 50 60 70 80 90 100 110 Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  13. time (µsec) … Ethernet/IP Port UDP Data Ethernet header IP header UDP header FCS 2222 Modbus TCP/IP Port TCP header Ethernet header IP header TCP Data FCS 502 Automation-frames en IT-frames kunnen nu apart behandeld worden, maar de vertraging zal nog steeds voorkomen! Identificatie van automatiseringsprofielen? Profinet 0,0 0,64 1,6 1,79 1,92 2,24 Ether- type 2 VLAN Tag Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  14. Acceleratie van geidentificeerde frames cut through EN network load Store & forward cut through Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 μsec 0 10 20 30 40 50 60 70 80 90 100 110 Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  15. Hoe determinisme bekomen? Automation frame IT-frame 1. Identify the automaion frame 2. Suspend the NRT-frame 3. Direct transmission of the automation frame 4. Resend of the NRT-frame Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  16. Office IT identify accelerate overtake Industrial Automation • Identify: Identificatie van automatiseringspakketten • Accelerate: Versnelling door gebruik van cut-through • Overtake: Onderbreking van IT-frames indien nodig Naadloos Ethernet tot in de machine De oplossing: FAST TRACK Switching Fast Track Switch Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  17. Mixed Automation Netwerk Limitations Store & forward Fast Track Switching Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 μsec 0 10 20 30 40 50 60 70 80 90 100 110 Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  18. Office IT Industrial Automation Fast Track Switching FAST TRACK Switching Determinisme & Hoge Performantie Delay [μ sec] Store & Forward Switching Field bus (bus-cycle) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Switches Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  19. Mixed Automation Netwerk 19 Line topology met PROFINET RT, Fast Track Switchen Requirements: - Determinisme - cycle time ~ 1ms    cascade of more than 10 Switches in line  Pushing Performance Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  20. FAST TRACK WORKSHOP FAST TRACK Switching WORKSHOP 20 Pushing Performance Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  21. FAST TRACK Switching WORKSHOP 21 See HARTING Tabletop Pushing Performance Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

  22. 22 Bedankt voor de aandacht ! Pushing Performance Pushing Performance De PROFIBUS, PROFINET & IO-Link dag 2011

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