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EtherCAT Physical Layer Overview
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EtherCAT Physical Layer Overview

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Questions and Answers

What are the two different types of physical layers supported by EtherCAT?

  • Ethernet and EBUS (correct)
  • Conventional Ethernet and EBUS
  • 100BaseTX and 100BaseFX
  • Fast Ethernet and Gigabit Ethernet

    • Why is the use of switches not recommended for ensuring real-time behavior in EtherCAT?

  • Switches introduce latency in the communication (correct)
  • Switches disrupt the full-duplex transmissions
  • Switches decrease the data rates
  • Switches cause collisions in the network

    • What is the low-cost solution foreseen for modular devices in EtherCAT?

  • EBUS (correct)
  • Fast Ethernet
  • Gigabit Ethernet
  • Token Ring

    • How is the EtherCAT network architecture described in terms of flexibility?

    <p>It can stretch over wide areas</p> Signup and view all the answers

    What does the master in EtherCAT see the whole EtherCAT segment as?

    <p>A single, large Ethernet device</p> Signup and view all the answers

    What type of transmission medium is used in this device?

    <p>Cat 5 twisted pair</p> Signup and view all the answers

    What type of connectors can be used to interconnect slave devices?

    <p>RJ45 (8P8C) and circular M12 D-code</p> Signup and view all the answers

    What is the purpose of EBUS in this context?

    <p>To interconnect modules in modular devices</p> Signup and view all the answers

    What encoding scheme does EBUS use?

    <p>Manchester (biphase L)</p> Signup and view all the answers

    What is the bit rate selected for the EBUS protocol?

    <p>100 Mbit/s</p> Signup and view all the answers

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