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How to Troubleshoot Duplicate Values in PI Server via OPC HDA Interface

Question asked by bluefish on Jul 31, 2017
Latest reply on Sep 1, 2017 by bluefish

We have PI data coming from SCADA server via OPC HDA interface. We found an issue that some of tags have redundant values. Below are the screenshots from SCADA server and PI server. The exception and compression are all off. What could be reasons to cause this issue?


1. Scada server data value

2. PI Data value (Boxed values are duplicates)



Tag setting: