What is the main purpose of a programmable logic controller (PLC)?

The main purpose of a programmable logic controller (PLC) is to automate industrial processes. PLCs are digital computers specifically designed for industrial environments, where they control machinery and processes. This automation includes managing tasks such as controlling the timing of operations, monitoring inputs and outputs, and implementing complex control algorithms to improve efficiency and precision in manufacturing and production.

PLCs allow for real-time data processing and can handle various input and output configurations, facilitating the automation of assembly lines, continuous production processes, and even complex machinery operations. By replacing manual controls with automated systems, PLCs contribute to enhanced productivity, reduced human error, and improved safety in industrial settings.