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The Window Between the Kitchen and the Front of House: IEC 62264-1 Models and Terminology
Three systems at the Al Sahil Gas Complex report three different propane tonnages for the same month. Data architect Leila Darwish argues the new train's interface must be built on IEC 62264, not just named after it. Part one of The Deep End's Enterprise-Control Integration series covers IEC 62264-1:2013 (ISA-95 Part 1). It explains the functional hierarchy from Level 0 to Level 4, the criteria for drawing the line between plant and business, the four categories of operations, and roles versus physical assets. It also covers the sixteen-square grid of the information that crosses the window…
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