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SCADA & Beyond with Alana · June 21 · 13 min

PLC vs DCS vs SCADA

Are you uncertain about the appropriate use of PLCs, DCS, or SCADA systems? After 36 years in industrial controls, this is the most common question I get. The boundaries between these systems are blurring in 2026, and new factors like edge computing, AI integration, and cybersecurity are completely reshaping the decision landscape. Get full access to SCADA & Beyond with Alana at scadaandbeyond.substack.com/subscribe

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Are you uncertain about the appropriate use of PLCs, DCS, or SCADA systems? After 36 years in industrial controls, this is the most common question I get. The boundaries between these systems are blurring in 2026, and new factors like edge computing, AI integration, and cybersecurity are completely reshaping the decision landscape.



Get full access to SCADA & Beyond with Alana at scadaandbeyond.substack.com/subscribe
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