How Relay Modules Became the Hidden Architecture of Modern Control Systems
This story of displacement, from discrete mounted relays to integrated relay modules, is one of the defining transitions in industrial control panel architecture over the past decade. Understanding what drove this transition and where relay module technology is heading explains why relay module selection has become a more complex and more consequential decision than it was when the only question was coil voltage and contact rating. https://matters.town/a/fhfyth1kkrqt
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