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HMI- A Single Solution to Optimizing a Multitude of Industrial Processes

When it comes to industrial automation, no one can ignore the importance of HMIs or human-machine interface. They can either be present in the form of a screen, like a computer screen, and many times, it could also be a touch screen. 

Ideally, an operator or personnel can monitor the machine from the HMI. It could help detect a variety of information, such as temperature, pressure, or material counts. Not only that, the same system will allow you to identify the position of machines. 

But that's all the technicalities associated with HMI. The question here is:

What is HMI?

A human-machine interface is like a dashboard connecting the person to the machine, a system, or a device. While it could be related to any type of screen, this definition is most relevant to industrial processes.

Man-machine Interface (MMI)

Operator Interface Terminal (OIT)

Local Operator Interface (LOI)

Operator Terminal (OT)

When it comes to industrial settings, this system can be used in the following ways.

Data visualization

Tracks different parameters, such as time, tags, or trends

Keep a check on relevant KPIs

Review system inputs and outputs

To those who are still new to this technology, let's explain in layman's language. It's like a system installed in your air conditioning unit where you check or control the temperature. With so many Industrial Automation advancements over the last few years, HMIs are available in many forms, starting from built-in screens, desktop to tablets. Regardless of the technology you use, they provide an insight into the progress or performance of the machine. 

Which Industry Can Benefit Particularly From HMIs?

Almost every industrial organization can take advantage of this technology as the idea is to make interaction with machines convenient and comfortable. But as of now, the following industries are using this technology to optimize their industrial processes. 



Water and Waste Management

Food & Beverage



Oil & Gas

What Kind of Roles Interact With HMIs?

Ideally, operators, integrators, or engineers use this system to monitor processes or diagnose problems by analyzing data displayed by HMIs. Usually, this human-machine interface communicates with PLCs and I/O sensors. If used as a single function, it can help monitor or track mechanical processes. And if used for sophisticated operations, one can do various operations, such as switching machines off, elevating production speed.

Operators can derive valuable information using graphs, charts, or dashboards displayed by HMIs. One can even get real-time details using this system. 

Wrapping up

Using HMIs is turning out to be a profitable investment since it's helping industries to automate their processes along with troubleshooting issues instantly. In short, you can save a lot of time when rectifying day-to-day matters. 

Plus, using the modern HMI solutions, you can monitor multiple systems or equipment all at once. But since different brands use different software technologies, you must understand the technicalities before including this in your operations. 

So, ensure that your engineers or operators grasp every information about the HMI you’ll be using for increased efficiency. 

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