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Ethernet as a field-network

Ethernet as a field-network. Renaud Barillère - CERN IT-CO. Factory. Ethernet. SCADA. Ethernet. PLCs. EWS. Devices. A typical control architecture. Field buses. Factory. Ethernet. SCADA. Ethernet. PLCs. EWS. Field buses. Devices. Ethernet as a field-network.

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Ethernet as a field-network

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  1. Ethernet as a field-network Renaud Barillère - CERN IT-CO

  2. Factory Ethernet SCADA Ethernet PLCs EWS Devices A typical control architecture Field buses

  3. Factory Ethernet SCADA Ethernet PLCs EWS Field buses Devices Ethernet as a field-network

  4. Purposes of Ethernet as field-network • Purposes: • Run time data exchanges; • Configuration of devices or PLCs; • Remote maintenance. • Remark about connections: • Direct vs indirect connections

  5. Ethernet hardware components • The infrastructure components • Standard LAN components or Industrial ones? • Specific topology? • The control components • PLC modules; • Bus couplers; • Intelligent devices; • Gateways (for field buses)

  6. Ethernet software components • The protocols • 802.3, TCP/IP family • Others? • The libraries • PLC libraries • The tools • Configuration/development • Dedicated or open tools? • Remote maintenance • Web servers or dedicated tools.

  7. A standard or n “standards”? • Field buses: n “standards” • Compatibility issues • Interoperability issues • Ethernet as field-network • Are standards desired? • De facto standard? • New standard(s)?

  8. What about security? • Why • Mistakes and attacks • Where • Infrastructure, PLC, Devices? • How • Passwords, IP address, others?

  9. Q&A

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