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Human Interface Interface

​What is HMI and HMI Programming

In the world of industrial automation, Programmable Logic Controllers, or PLCs, control plant floor equipment to manufacture certain goods. Although the field of automation has grown tremendously over the last few decades, humans play a significant role in the operation, troubleshooting, and maintaining these complex systems.

A Human Machine Interface, or HMI for short, is a device that allows a human to give directions and receive feedback from the PLC that is controlling the manufacturing process. In other words, it is a means to input commands into your machines and earn feedback about their status.

Put simply, an HMI is an industrial computer that is correctly put in place to communicate between the PLC and the operator of the manufacturing floor.