A
Human-Machine Interface (
HMI) is
defined as a feature or component of a certain device or software application that enables humans to engage and interact with machines. Some examples of common
Human Machine Interface devices that we encounter in our daily lives include touchscreens and keyboards.
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Most modern control systems employ a PLC (Programmable Logic Controller) as a means to control motors, pumps, valves and various other equipment used in a process. Computer based HMI (Human Machine Interface) products provide the means by which process personnel interact with the PLC control system.
