Best Free PLC Software for Beginners

Best Free PLC Software for Beginners

A programmable logic controller (PLC) is a small industrial computer used to automate processes in manufacturing and industrial environments. Learning how to program a PLC can seem intimidating, especially because most commercial tools are expensive …

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How to Connect HMI to PLC

How to Connect HMI to PLC

A Human-Machine Interface (HMI) talks to a Programmable Logic Controller (PLC). The HMI is the control screen that operators use to monitor and interact with processes. The PLC, on the other hand, is the brain …

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PLC PID Control Explained Simply

PLC PID Control Explained Simply

A PID controller is the brain behind many automated processes. It helps a system automatically maintain a specific target, or “setpoint,” with great accuracy. Unlike a simple ON/OFF switch, which can cause large swings, a …

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What is a PLC Input Module?

What is a PLC Input Module?

Programmable Logic Controllers (PLCs), are the heart of modern automation. They control machines, manage processes, and keep factories running smoothly. One of the most important parts of a PLC system is the input module.  Without …

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What is Hot-Swapping in PLCs?

What is Hot-Swapping in PLCs?

Hot-swapping is the ability to replace or insert components in a system while it is still running and powered. This means there is no need to turn OFF the system or interrupt the process. In …

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Best PLC Brands Compared

Best PLC Brands Compared

Programmable Logic Controllers (PLCs) act as the central command system, they collect data from sensors, process control logic, and trigger actions that keep machines and production lines running. From automotive plants to food processing facilities, …

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PLC in Elevators – How It Works

PLC in Elevators – How It Works

Modern elevators rely heavily on Programmable Logic Controllers (PLCs). A PLC is a digital control device that acts as the main “brain” of the elevator system. It processes signals from buttons, switches, and sensors.  It …

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