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Supervisory control and data acquisition (SCADA) systems have been around since the 1960s, but have come a long way since their inception. These systems, which were originally simple programs that used analog technology, are now powerhouse systems that integrate cloud computing, AI, and machine learning to control operations at water management and treatment facilities, power companies, manufacturing plants, and more.

PLCs are designed to run application programs – the programs controlling industrial equipment or processes – quickly and consistently. But how do you write, install and update such a program? That’s where programming terminals come in. 

It wasn’t that long ago that treating wastewater and delivering clean, safe drinking water to homes relied on manual processes. Today, water treatment is largely automated, thanks in no small part to the use of Programmable Logic Controllers (PLCs) and other electrical devices that can be programmed to complete many of the tasks required with little to no human oversight.

Electric motors are used in multiple applications of our everyday lives but require the right amount of electrical energy to provide optimal torque and speed. To control these motors, Variable Frequency Devices (VFD), are used to convert AC current into DC current from the power supply. In this article we will look at how these devices work, and how they are important