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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PLC Not Communicating with PC – How to Fix

PLC Not Communicating with PC – How to Fix

A Programmable Logic Controller (PLC) is one of the most critical components in industrial automation. It serves as the central brain for many machines and systems, constantly processing data and executing commands.  However, when a …

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Differences between SCADA, HMI, and PLC

Differences between SCADA, HMI, and PLC

In industrial automation, SCADA, HMI, and PLC are fundamental concepts that engineers, technicians, and operators encounter on a daily basis. Even though these three terms are often mentioned together and sometimes mistakenly used interchangeably, they …

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What is a Solenoid Valve in Automation?

What is a Solenoid Valve in Automation?

In modern automation, machines rarely operate passively, they need to move, react, and control their environment efficiently. Whether it’s regulating the flow of liquids or gases, an essential component manages this task with precision and …

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What is Scan Time in PLCs?

What is Scan Time in PLCs?

A Programmable Logic Controller (PLC) is a specialized computer used in industrial applications. It is designed specifically to survive in harsh industrial environments and to control machines and processes reliably.  The PLC works as the …

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