Advantages of Wireless Human-Machine Interface (HMI) for Industrial Automation Whitepaper
■While today’s consumer products offer enhanced connectivity and a more immersive user experience through innovative HMI designs, industrial products continue to employ physical interfaces typically featuring HMIs that rely on small displays or simple LEDs and resort to electromechanical switches or pushbuttons as their primary means of interaction. If a device features local connectivity, it is typically implemented using cables and physical connectors. There is great potential to improve the user experience by transforming the way industrial products are interconnected, and this presents an opportunity for innovative vendors to differentiate their products in an increasingly crowded market.
■Industrial device HMI presents significant challenges for designers. Product design specifications may be guided by standards; devices may have limitations on their physical size, and controls may need to be fitted to larger installations. Products used in industrial settings represent critical capital investments that are expected to reliably remain in service for many years, even as their local ruggedized interfaces are subjected to diverse stress factors. Safety is also an important consideration. Products must remain safe to operate when connected to other equipment, such as computers, which typically requires the use of galvanic isolation on all external ports.
■Modern, standards-driven wireless technologies, such as Bluetooth, present designers with new tools that can help them transform the user experience for industrial devices. In addition, human-machine interfaces based on Bluetooth offer cost savings compared to conventional wired connectivity solutions.
●Conclusion
■By its nature, Bluetooth is hardware-agnostic. A growing number of devices now support Bluetooth connectivity, which means it is an effective abstraction layer between low-level functionality and high-level control and monitoring features.
■The benefits of Bluetooth in industrial environments are numerous. As a cable-replacement technology, it is already a proven solution with applications in HMI design. Adding Bluetooth connectivity using a module like Silicon Labs Bluetooth Xpress can deliver significant and measurable savings. Costly components required for physical cable interfaces can be eliminated and significant cost reductions achieved. More user-friendly interfaces can be provided using mobile applications, and functionality can be further extended by connecting applications to the cloud.
■With readily available APIs for easy integration at the board, link, and mobile application levels, the Bluetooth Xpress portfolio is an ideal solution for replacing existing cable interfaces with serial communications. Using pre-certified modules enables faster time-to-market as device manufacturers no longer have to worry about time-consuming certification processes and can instead focus on marketing efforts to make their devices successful. Kickstart your wireless HMI project by ordering the Bluetooth Xpress evaluation kit here.
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[ Industrial Automation ][ industrial ] |
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021/3/15 |
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3.1 MB |
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