Course Content
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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PLC Memory Categories

Volatile Memory

  • Loses stored information when power is lost or removed
  • Easily altered, suitable for most applications
  • Often supported by battery backup

Non-volatile Memory

  • Retains stored information when power is removed (accidentally or intentionally)
  • Used in PLCs to store control programs
  • Ensures programming is preserved during power loss