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I am PI system beginner end user.  I observed timestamp mismatch between PI tags (alarm tags - two states 0/1) vs  DCS alarm/events.

Question asked by FHanif on Jun 4, 2020

I am PI system beginner end user.  I observed timestamp mismatch between PI tags (alarm tags - two states 0/1) vs  DCS alarm/events.   OPC-DA is used to interface PI Data collector and DCS OPC Server.  Original Time stamp is selected in OPC settings. Wondering about the reason on mismatch. Time mismatch in not constant. Some time it is in seconds , some time in hours.

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