Traditionally, presentation and input of data and visualisation of a machine or process are likely to have been the prime reason for specifying the human machine interface (HMI) as part of a machine control system.
Over the years functional keypads, switches, indicator lamps and panel meters have become outmoded, superseded by sleek, intuitive, highly-graphical and user-friendly control interfaces. Barry Graham, product marketing manager of automation at Omron Electronics UK, explains why the HMI is far more than a window into the machine. Today’s control interfaces, such as Omron’s new NA-series,…
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