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 …
Controllers
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, …
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 …
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 …
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 …
Ladder logic vs Python for Automation
Traditionally, automation control was achieved using relay logic, which relied on physical relays wired together to make decisions. Today, this job is handled by Programmable Logic Controllers (PLCs). These are specialized industrial computers built for …
PLC in Conveyor Systems
Programmable Logic Controllers (PLCs) are the brains of modern conveyor systems, replacing older, bulky relay logic that once dominated industrial automation. Unlike simple relay panels, a PLC is a robust industrial computer that uses a …
What Causes a PLC to Go into Fault Mode?
A Programmable Logic Controller (PLC) is the brain of an automated system. It controls machines and processes. When a PLC goes into a fault mode, it stops operating. This can cause a complete shutdown of …
Common PLC Brands Explained
Programmable Logic Controllers (PLCs) are the heart of industrial automation. They control machines with precision, processes, and even entire plants, from small packaging machines to huge automotive lines. They ensure reliable operation. Different PLC brands …
Cloud-Connected PLCs
Programmable Logic Controllers (PLCs), are everywhere in the industrial automation. They control industrial processes, machines, production lines, and entire plants. They have done so for decades. Historically, PLCs were standalone devices. They operated on-site, so …