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master station

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SCADA system architecture diagram showing three layers: field devices, RTUs and PLCs, and master station
scadartumaster station

SCADA System Architecture: Layers, RTUs and the Master Station

Understand SCADA system architecture in depth: the three-layer model, how RTUs and PLCs differ, what the master station really does, and how modern IP networks changed everything.

Jul 5, 2026 · 9 min read

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