A wealth of opportunities are currently opening up for digitalising existing process plants and making them ready for the era of the industrial Internet of Things. It is indisputable that this offers new possibilities, for example through predictive maintenance, improved connectivity and new findings acquired from big data. This is true in theory, at least. But in practice, the path to the digital future can sometimes be laborious, expensive, or both — especially for installations in hazardous areas. Remote I/O helps with this shift while saving money.
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