Advantages and Disadvantages of Programmable logic controller

Disadvantages of Programmable logic controller (PLC, programmable controller) control :-

  1. There’s too much work required in connecting wires.
  2. There’s difficulty with changes or replacements.
  3. It’s always difficult to find errors; And require skillful work force.
  4. When a problem occurs, hold-up time is indefinite, usually long.

Advantages of Programmable logic controller (PLC) control :-

  1. Rugged and designed to withstand vibrations, temperature, humidity, and noise.
  2. Have interfacing for inputs and outputs already inside the controller.
  3. PLCs are easily programmed and have an easily understood programming language.
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