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  1. Programmable logic controller - Wikipedia

    PLCs were first developed in the automobile manufacturing industry to provide flexible, rugged and easily programmable controllers to replace hard-wired relay logic systems. Dick Morley, …

  2. What is a Programmable Logic Controllers (PLC) - GeeksforGeeks

    Jul 23, 2025 · PLC is a general-purpose computer modified specially to perform control tasks. It is used for industrial automation to automate a specific process, machine function, or even entire …

  3. Programmable Logic Controllers (PLCs): Basics, Types

    Jul 13, 2019 · PLC Definition: A programmable logic controller is a specialized computer designed to operate in industrial settings, managing and automating the mechanical processes of …

  4. PLC (Programmable Logic Controller) – Basics, Types, and …

    Jul 25, 2025 · PLC (Programmable Logic Controller) is a digital control system that replaces complex hardwired relay logic with a flexible, programmable solution. It stores instructions to …

  5. What is a PLC? Programmable Logic Controller - Inductive …

    Oct 9, 2025 · A PLC (Programmable Logic Controller) is a digital computer that automates industrial processes and monitors inputs/outputs.

  6. What is PLC ? Programmable Logic Controller - Unitronics

    What is the definition of "PLC"? A Programmable Logic Controller, or PLC, is a ruggedized computer used for industrial automation. These controllers can automate a specific process, …

  7. What Is a PLC (Programmable Logic Controller)? What It Does, …

    Dec 26, 2025 · A PLC (Programmable Logic Controller) is an industrial computer that continuously monitors sensors, executes control logic, and operates motors, valves, and …

  8. Introduction to PLCs: Understanding the Basics - Engineer Fix

    Mar 14, 2021 · A PLC, or Programmable Logic Controller, is a specialized computer used for industrial automation. It’s crucial because it allows for precise control of machinery and …

  9. What Is a PLC? An Introduction to Programmable Logic Controllers

    Mar 10, 2022 · In this article, we'll introduce the concept of a PLC and explain its basics. What Is a PLC? A PLC is an industrial-grade digital computer designed to perform control …

  10. Programmable Logic Controllers (PLC) | What is a PLC? - Omron

    A Programmable Logic Controller (PLC) can be described as a specialized digital computer, and it’s a key component in industrial automation solutions. It consists of a CPU that executes the …