by Paul Neafcy | Mar 3, 2026 | ABB, Complete Guide, Human Machine Interface, IMO, Lovato, PLC + HMI, Unitronics
If you’ve ever poked a touchscreen, then congratulations: You – a human – have successfully interfaced with a machine. A Human Machine Interface is simply the method that a person uses to interact with a machine. Industrially speaking, an HMI is the...
by Paul Neafcy | Nov 13, 2025 | ABB, Complete Guide, Danfoss, IMO, PID Controllers, Programmable Logic Controllers, variable speed drives
A PID controller is an industrial automation control system that continually adjusts an output to keep a process variable – such as speed, temperature, pressure, or level – at (or as near as possible to) a desired target known as the setpoint. PID...
by Paul Neafcy | Oct 30, 2025 | ABB, Complete Guide, Panel Building, Product Information, Programmable Logic Controllers, Unitronics
What is a Programmable Logic Controller (PLC)? A Programmable Logic Controller (PLC) is an industrial-grade computer designed to control machinery and processes. It’s the intelligent “brain” behind factory automation, processing inputs, making...
by Paul Neafcy | Oct 23, 2025 | ABB, Complete Guide, Danfoss, Electric Motors, TECO, variable speed drives
Safe Torque Off is a safety feature built into many Variable Speed Drives (VSDs) and servo drives. It prevents the motor from generating torque – which means it can’t turn – even if it’s still powered. When STO is active, the drive’s...
by Paul Neafcy | Oct 8, 2025 | ABB, Complete Guide, Danfoss, Industrial Communication Protocols, Industry 4.0, Product Information, Unitronics, WAGO
“Communication Protocols” literally means “rules for talking”. So, Industrial Communication Protocols means rules for talking in industry. This isn’t about trying not to offend someone in a meeting or shouting to be heard on the factory...
by liam barnett | Aug 19, 2025 | Complete Guide, RCD
Residual Current Devices (RCDs) are a cornerstone of modern electrical safety in homes and commercial or industrial settings. At LED Controls Ltd, we supply high-quality ABB and Chint RCDs that help protect people, equipment, and property from dangerous electrical...