HMI (Human machine lnterface

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  Human Machine Interface:

A Human-Machine Interface (HMI) is a user interface that allows a human operator to interact with a machine or process. 


HMI is typically used in industrial settings to allow operators to monitor and control processes, such as those in a factory or power plant.

Human Machine Interface


HMI can take a variety of forms, including graphical user interfaces (GUIs) on a computer, touchscreens, or physical control panels with buttons and displays. They are used to present process data to the operator, allow the operator to input commands and setpoints, and present alarms and other information.



HMI is typically connected to a programmable logic controller (PLC), which is responsible for controlling the process based on input from the HMI and sensors in the field. 

The HMI simply presents information to the operator and allows them to input commands, which are then sent to the PLC to be implemented.

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