Various Types of HMI: Understanding Human-Machine Interfaces in Industry

It is important to understand the different types of Human Machine Interface, which will help people understand how these systems work and operate. An HMI system works as a link between people and machines by means of the visualization display, control, and data handling systems.

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A common example of such a system is the touchscreen HMI, which provides an interactive display for controlling machines and receiving necessary information about them. It can be either resistive or capacitive depending on application and surrounding conditions.

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Panel HMI is another popular system that can be found in many factories around the world, as it is mounted directly on the machine to allow operator control of processes running in it. Another type is the PC-based HMI system that requires more powerful hardware.

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Web-based and remote HMIs have become increasingly popular, especially in the last few years. These kinds of systems enable operator control and monitoring of processes in machines remotely, provided that there is an internet connection available.

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Supervisory HMI systems represent the highest level of control and management of machines because this system controls several machines at once by receiving their data via SCADA systems.