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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 · PLCs play a pivotal role in industrial automation, efficiently managing machinery and processes. They receive data from sensors, execute programmed logic, and control …

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

    Oct 9, 2025 · PLCs act as the physical interfaces between devices on the plant or manufacturing floor and a SCADA or HMI system. PLCs can communicate, monitor, and control complex …

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

    Jul 13, 2019 · A SIMPLE explanation of a Programmable Logic Controller (PLC). Learn what a PLC is, its working principle, PLC Basics, the types of PLCs, and PLC Programming. We also …

  5. 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, …

  6. 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 …

  7. Programmable Logic Controllers: Working & How its Work

    May 20, 2025 · Learn what is Programmable Logic Controllers (PLCs) , how they work, their working principle, pros & cons & how to choose the right PLC for application.

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

    Jul 25, 2025 · Learn everything about PLCs (Programmable Logic Controllers), including their working principle, types, programming basics, ladder logic examples, and real-world …

  9. A Beginner’s Guide to Programmable Logic Controllers: How They …

    Mar 10, 2025 · Discover how Programmable Logic Controllers (PLCs) enhance automation, improve efficiency, and streamline industrial processes. Learn their types, benefits & uses.

  10. programmable logic controller (PLC) - TechTarget

    Mar 22, 2024 · PLCs, used in various industrial control systems (ICS es), have primarily replaced mechanical relays, drum sequencers and cam timers. PLCs have revolutionized the way …