It’s the Great Retirement… of HMIs

Say goodbye to rigid, Windows-based panel PCs. Discover how modern, HTML5 web-based HMI software frees operators from the console, cuts licensing costs, and uses AI to capture institutional knowledge. Download the Beckhoff expert guide!
July 17, 2026

The long-standing reliance on rigid, Windows-based HMI solutions for process monitoring is giving way to a new generation of web-based software. Modern HMI technology, such as Beckhoff’s TwinCAT HMI, utilizes HTML5 and JavaScript standards to deliver true platform independence. This allows highly responsive displays to function seamlessly on everything from large control room consoles to mobile tablets. Consequently, operators are no longer anchored to a fixed station and can securely monitor plant processes from anywhere.

Furthermore, today's client-server architecture fundamentally shifts the cost model, allowing organizations to scale functionality and add virtually unlimited user seats without incremental licensing fees. Truly open HMI software also prioritizes industry standards—incorporating ISO/ISA-compliant P&ID symbols, native OPC UA connectivity to bypass middleware, and MTP compliance for effortless interoperability with legacy third-party controllers.

As seasoned operators retire, modern HMI design helps bridge the looming labor and skills gap. Younger engineers can leverage familiar computer science standards and graphical, what-you-see-is-what-you-get (WYSIWYG) configuration tools within environments like Microsoft Visual Studio®. Crucially, the integration of productivity-enhancing AI tools, such as TwinCAT CoAgent, allows teams to generate complete HMI pages from natural language or sketches, link process variables automatically, and provide intuitive, conversational troubleshooting guidance that captures institutional knowledge before it leaves the plant.