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How to reference another event frame when creating an event frame

Question asked by BarryHu on Apr 10, 2017
Latest reply on Apr 12, 2017 by Dan Fishman

We use Emerson DeltaV DCS system. We use the PI Event Frame interface which captures the batch information nicely.

Let's say that in a particular recipe Phase A, B, C and D run on a unit. I can see these events when doing an event frame search. I would like to create another event that starts when phase A starts and end when phase C ends. Could not figure out how to reference these automatically created events though.

Any idea?