Graphical User Interface (GUI): These are computer-based HMIs that use a graphical interface to display process data and allow operators to enter commands.GUIs can be created using software such as Microsoft Windows or specialized HMI software packages.
Touch Interface (Touchscreen Interface): Interacts by touching the screen, has a simple, intuitive interaction, and is commonly used on devices such as smartphones, tablet PCs, and interactive whiteboards.
Voice Interface (Voice Interface): Interaction through voice recognition technology, users can control the computer through voice commands, commonly used in smart speakers, car systems and other devices.
Physical Panels: These are physical HMIs that use buttons, switches, and displays to display process data and allow operators to enter commands. Often used in industrial environments where a GUI or touchscreen may not be practical, such as environments with high levels of vibration or dust.
Web-based interfaces: These HMIs use a Web browser to present process data and allow the operator to enter commands. They can be accessed from any device via a Web browser, allowing the operator to monitor and control the process remotely.