Implementing Ethernet as a Field Network
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Explore the integration of Ethernet in field networks for effective data exchanges, device configuration, and remote maintenance. Understand hardware and software components, standards, compatibility, security concerns, and more.
Implementing Ethernet as a Field Network
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Presentation Transcript
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
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
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)
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.
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)?
What about security? • Why • Mistakes and attacks • Where • Infrastructure, PLC, Devices? • How • Passwords, IP address, others?