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

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

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

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

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

De PROFIBUS, PROFINET & IO-Link dag Performantie Standaard Ethernet (IEEE 802.3) Pushing Performance Switches Standard switching delay [ μ sec] Field bus (bus-cycle) PLC I/O Drive (voorbeeld met 16 Switches)

De PROFIBUS, PROFINET & IO-Link dag Ethernet IEEE 802.1p & 802.1q Pushing Performance PriorityType 7Network critical 6Voice 6Automation 5Video 4Business critical 0-3Datatransfer 0-3Web 0-3TCP acknowledge Preamble SFD Destination Source VLANType 7 Byte 1 6 Byte Byte 8100 Ethernet Header Data FCS 4 Byte Example of priorization of automation protocols Automation-frames en IT-frames hebben dezelfde prioriteit! Ontoereikend! xx

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

De PROFIBUS, PROFINET & IO-Link dag Pushing Performance μsec Store & forward Switch 1Switch 2Switch 3Switch 4Switch 5 Traffic-jam ondanks Priorization (IEEE 802.1q) (voorbeeld met 5 Switchen)

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

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

De PROFIBUS, PROFINET & IO-Link dag Acceleratie met „Cut-through“ Pushing Performance μsec cut through Store & forward Switch 1Switch 2Switch 3Switch 4Switch 5 (zonder network load)

De PROFIBUS, PROFINET & IO-Link dag Identificatie van automatiseringsprofielen? Pushing Performance VLAN Tag 0,00,641,61,791,92 time (µsec) … Ether- type 2 2,24 Ethernet headerIP header Port 2222 UDP headerFCS UDP Data Ethernet headerIP header Port 502 TCP DataFCS TCP header Ethernet/IP Modbus TCP/IP Profinet Automation-frames en IT-frames kunnen nu apart behandeld worden, maar de vertraging zal nog steeds voorkomen!

De PROFIBUS, PROFINET & IO-Link dag Acceleratie van geidentificeerde frames Pushing Performance cut through EN network load μsec cut through Store & forward Switch 1Switch 2Switch 3Switch 4Switch 5

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

De PROFIBUS, PROFINET & IO-Link dag De oplossing: FAST TRACK Switching Pushing Performance Naadloos Ethernet tot in de machine Industrial Automation Office IT Fast Track Switch 3.Overtake: Onderbreking van IT-frames indien nodig overtakeidentify 1.Identify: Identificatie van automatiseringspakketten accelerate 2.Accelerate: Versnelling door gebruik van cut-through

De PROFIBUS, PROFINET & IO-Link dag Mixed Automation Netwerk Limitations Pushing Performance μsec Switch 1Switch 2Switch 3Switch 4Switch 5 Fast Track Switching Store & forward

De PROFIBUS, PROFINET & IO-Link dag FAST TRACK Switching Pushing Performance Switches Store & Forward Switching Delay [μ sec] Field bus (bus-cycle) Fast Track Switching Determinisme & Hoge Performantie Industrial Automation Office IT

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

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

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

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