// ROBOTICS AND SMART FACTORIES TERM

Programmable Logic Controller

A Programmable Logic Controller (PLC) is a specialized industrial computer that monitors input devices and makes decisions based on a programmed logic to control output devices, commonly used in factory automation.

Programmable Logic Controller — illustration from Wikipedia
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TECHNICAL DEFINITION

A Programmable Logic Controller (PLC) is an industrial digital computer that automates electromechanical processes by continuously monitoring input states from sensors and executing a user-defined program to control output devices like motors, valves, and actuators, forming the backbone of factory automation and SCADA systems.

BACKGROUND

A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.

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SYNONYMS & ALIASES

  • Industrial controller
  • logic controller
  • automation controller

USAGE NOTE

PLCs are robust and reliable, making them ideal for harsh industrial environments.

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