Electromechanical Systems: Input/Output Devices of PLC
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Questions and Answers

What type of encoder detects changes in angular or linear displacement from a datum position?

  • Relative encoder
  • Linear encoder
  • Incremental encoder (correct)
  • Absolute encoder
  • What is the purpose of an absolute encoder?

  • To detect the actual angular or linear position (correct)
  • To amplify weak signals
  • To convert analog signals to digital signals
  • To measure changes in angular or linear displacement
  • What is the resolution of an encoder with 4 tracks?

  • 5.625 degrees
  • 22.5 degrees (correct)
  • 11.25 degrees
  • 45 degrees
  • What is the basis of a number of output control actuators?

    <p>Solenoids</p> Signup and view all the answers

    What is the term used when large currents are involved in a relay?

    <p>Contactor</p> Signup and view all the answers

    What is the output of an encoder?

    <p>Binary code</p> Signup and view all the answers

    How many bits are in the binary number of an encoder with 10 tracks?

    <p>10</p> Signup and view all the answers

    What is the resolution of an encoder with 10 tracks?

    <p>0.35 degrees</p> Signup and view all the answers

    What is attracted by the magnetic field produced by a solenoid?

    <p>Ferrous metal components</p> Signup and view all the answers

    What is the typical range of tracks found in encoders?

    <p>Up to 10 tracks</p> Signup and view all the answers

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