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6.1: Introduction to Electrically Controlled Systems

  • Page ID
    3666
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    A YouTube element has been excluded from this version of the text. You can view it online here: https://openoregon.pressbooks.pub/hydraulics/?p=171

    List basic applications of electrically controlled systems.

     

    Give examples of inputs, outputs, and internal components in an electrically controlled system

     

    Give examples of potential faults in an electrically controlled system

     

    Differentiate between control/pilot signal and power/primary signals

     

    Describe the purpose of separating pilot and primary

     

    Describe the purpose of a control transformer

     

    Describe the similarities and differences between a contactor and a solenoid operated valve

     

    Describe ladder logic diagrams and indicate the advantages of ladder logic

     

    List the general rules of ladder logic

     

    Differentiate between switches and sensors

     

    Describe the purpose of a transducer

     

    Differentiate between manual and mechanical/automatic switches and give examples of each

     

    Describe span/hysteresis/override

     

    Differentiate between hard wired relay based ladder logic and PLCs and discuss the advantages of PLCs

     

    Describe a control relay

     

    Describe the AND function

     

    Describe the OR function

     

    Describe the operation of this electrically controlled system.

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    Discuss general troubleshooting procedures for electrically controlled systems.