OPC UA Data Contract Cards
Recall the core elements of a robot-cell data contract for OPC UA or equivalent industrial interfaces.
STATE What does STATE remind you to define for a robot-cell signal? Use it before publishing a tag. Acronym Status tag versus state model Dashboards need state models, not lonely tags. The tag name is obvious. Why document it? Interface review fatigue. Your line Obvious to controls today is not obvious to MES, maintenance, or the next engineer six months from now. Letting local shorthand become enterprise data. It connects documentation to future interpretation and support cost. What should every robot-cell event include? Event name, object, state meaning, timestamp source, quality, producer, consumer, and owner. These fields let downstream systems…
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