What is HMI? | Human Machine Interface

🎥 An HMI or Human Machine Interface is simply a control unit that facilitates the integration of operators into complicated industrial processes by delivering a user-friendly dashboard.

By watching this video, you’ll get the answer to these questions:
What is HMI?
Why is HMI used?
Where is HMI used?
What is HMI design?
How does HMI work?
What is HMI software?
What is HMI Hardware?
What is the HMI function?
What does HMI stand for?
What are the types of HMI?
What is HMI programming?
What is the purpose of HMI?
What are the advantages of HMI?
How does HMI communicate with a PLC?

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💬 Video Summary:

HMI Explained
Because PLC is just hardware, it cannot display signal values instantly to operators unless technical staff with a personal computer and necessary software establish a connection to the PLC and check the program status online to keep an eye on signal values.

It is not a practical method for operations employees to regularly check what the PLC is doing, and that’s where a human-machine interface, or HMI for short, comes into play.

HMI Types
A variety of HMIs is available in an industrial setting, such as touchscreen, screen with buttons, built-in screen, handheld screen, computer screen, and mobile screen

HMI Hardware
The hardware layouts of most actual HMIs are similar, which include the following: screen for monitoring, control panel, and communication port

HMI Software
The software configurations of most genuine HMIs are alike, which applies in two steps.

First, development. A personal computer is used to program the HMI through special software. And the Second step that applies in the HMI software configuration is runtime.

HMI Design
If you are interested in HMI programming, you should consider some essential design tips, such as user awareness, visibility, simplicity, and consistency

HMI to PLC communication
For the HMI to provide an interface for a manufacturing line, the HMI usually needs to be connected to a programmable logic controller or PLC.

Compatibility between the HMI and PLC is required, meaning they must be able to communicate with one another.

HMI Operation:
The PLC will receive information from sensors and will start processing the collected data into logical combinations.

As soon as the PLC provides real-time data directly to the HMI, the HMI is used to convert complicated process variables into information in the form of a graphical way.

At this point, the operator can send commands through the HMI screen, and the HMI will transfer user inputs to the PLC to be processed into the logical format.

Then the PLC sends translated data to the actuators to be executed over a given industrial process system.

HMI Function
Most HMIs have the same basic and extensively utilized functionality, such as monitoring, controlling, alarms management, data logging, and troubleshooting

HMI Advantages:
And finally, let us talk about the benefits of implementing HMIs, including increased visibility, enhanced efficiency, decreased downtime, ensure safety, ease-of-use, and cost reduction.

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⏰ TABLE OF CONTENTS ⏰
00:00 What is an HMI?
00:55 HMI Types
01:57 HMI Hardware
02:21 HMI Software
03:39 HMI Interface with PLC
04:54 HMI Functionality
06:08 HMI Benfits

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