What is an HMI? The Complete LED Controls Guide to Human Machine Interfaces
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...
MCB vs RCD: What’s the Difference?
If you’ve ever looked inside a consumer unit or worked on a control panel, you’ve probably seen both an MCB and an RCD. Both are essential for electrical safety, but they protect against very different faults. Understanding this difference makes it far...
What Is a PID Controller?
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...