updates | June 05, 2026

PLC (Programmable Logic Controller) - How To Discuss

PLC (Programmable Logic Controller)

The cornerstone of factory and process automation. A specialized computer, including I/O processing and serial communications, used to control programs, such as control logic and complex interlock sequences. OEMs can integrate PLCs into machines or process plants, use them independently in local control environments, or network them in system configurations.

Literal Meanings of PLC (Programmable Logic Controller)

PLC:

Meanings of PLC:
  1. (first) public limited company.

  2. (Initialism) Programmable logic controller.

Programmable:

Meanings of Programmable:
  1. A calculator that allows the user to write programs.

  2. It can be programmed.

Logic:

Meanings of Logic:
  1. A method of human thinking that includes linear and step-by-step thinking about how to solve a problem. Logic underlies many principles, including the scientific method.

  2. Learn the principles and criteria of good reasoning and demonstration.

  3. Mathematical study of the relationships between strictly defined concepts and mathematical proof of statements.

  4. Formal or informal language accompanied by a deductive or semantic system of model theory.

  5. Any system of thought, strict and productive or not, especially one associated with a particular person.

  6. The part of a (usually electronic) system that performs Boolean logic operations, also called logic gates or logic circuits.

  7. Making excessive or inappropriate use of logic.

  8. Use logical thinking.

  9. Failed with a boolean argument.

Sentences of Logic
  1. It is difficult to understand the logical system.

  2. Fred designs the logic for the new controller.

Controller:

Meanings of Controller:
  1. The one who controls something.

  2. Any electrical or mechanical device used to control a circuit or system.

  3. A person who investigates and manages the financial affairs of a company or government, an accountant.

  4. A mechanism that controls or regulates the operation of a machine, especially a computer peripheral.

  5. A block of iron, usually bolted to the deck of a ship to keep the warp thread from burning. The cable connections tend to fall into the slots in the block and hold until released.

  6. The person who monitors and manages communications with the agent on site.

  7. The subject of the control verb. See control (linguistics).

  8. In software applications that use the ModelViewController design pattern, the part or parts of the application that handle inputs and outputs and provide an interface between models and views.

PLC (Programmable Logic Controller)