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Benefits of PLC
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Overview of PLC Components
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CPU – The Brain of the PLC
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PLC Communication Module
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PLC Basics Quiz
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Ladder Logic (LAD) Programming
Ladder Logic Programming Basics
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IL Programming Basics
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ST Programming Basics
Structured Text (ST) Programming Basics
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FBD Programming Basics
Function Block Diagram (FBD) Programming Basics
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SFC Programming Basics
Sequential Function Chart (SFC) Programming Basics
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Binary Principle

The term binary principle refers to the idea that many things can be thought of as existing in only one of two states.

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These states are 1 and 0.

The 1 and 0 can represent;

  • ON or OFF,
  • open or closed,
  • TRUE or FALSE,
  • HIGH or LOW, or
  • any other two conditions.

The key to the speed and accuracy with which binary information can be processed is that there are only two states, each of which is distinctly different.

There is no in-between state so when information is processed the outcome is either yes or no.