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What is Industrial Ethernet

What is Industrial Ethernet. www.lcsi.com.tw. Industrial Ethernet Networks?. There is only one Ethernet 802.3 Ethernet v2 So what is Industrial Ethernet ( also called rugged or hardened ) ?

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What is Industrial Ethernet

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  1. What is Industrial Ethernet www.lcsi.com.tw

  2. Industrial Ethernet Networks? • There is only one Ethernet • 802.3 • Ethernet v2 • So what is Industrial Ethernet( also called rugged or hardened ) ? • The use of Ethernet technology in harsh and industrial environments vs.benign environment ( also called commercial, business, enterprise, consumer Ethernet) • The use of Ethernet and TCP/IP as a transport mechanism for industrial protocols

  3. Aspects of Industrial Ethernet • Environment • Operation • Maintenance • Management

  4. Environment

  5. Physical Characteristics • No “standard” Industrial Ethernet switch • Specification must match PLC • Network equipment must not be the weakest link

  6. Certifications • Marine • Substation • Transportation •  ATEX Zone 2

  7. Environmental Conditions • Mounting • Form factor • Operating voltage • Temperature • No fans • Vibration • Resistance to EMI • Protection class • Conformal coating

  8. Ports • Number of ports • Speed • Media types • Connectors

  9. Operation

  10. Managed or Unmanaged Switches • Managed • Required for more complex network configurations • High network visibility • Manageability • Ring redundancy • Unmanaged • Low cost • Low maintenance • Plug and play

  11. Network Design • Office networks • Overbooking • Traditional estimation •  Industrial networks • Non-blocking • Distributed approaches

  12. Message Types • Unicast - message to a single destination • Broadcast - message to all nodes in a subnet • Multicast - message to a group of devices

  13. Multicast Control • Ethernet floods multicasts by default • Every end device must process received multicasts • Multicast control on Ethernet • IGMP

  14. Maintenance • Device Replacement • Rapid rectification of failures required • The “Midnight Maintenance Man” • Device replacement techniques • Standardized / Proprietary • Exchangeable memory media • Topology-dependent configuration

  15. Management • Why? • Fault notification and location • Proactive notification of potential problems • How? • SNMP • OPC • Profiles

  16. Conclusion • What benefits does Industrial Ethernet bring? • Higher bandwidth • Convergent networking • Cost reduction • Open connectivity • Vertical integration • Standardization

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