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6.1 Introduction to Electrically Controlled Systems

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.

system

Discuss general troubleshooting procedures for electrically controlled systems.

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6.1 Introduction to Electrically Controlled Systems by James Pytel is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.

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