how to use trend control of WinCC 7.5SP2 display historian data form OPC HDA？

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HOUYI
Posts: 14
Joined: Mon Jul 19, 2010 11:33 am

how to use trend control of WinCC 7.5SP2 display historian data form OPC HDA？

Post by HOUYI » Mon Jun 28, 2021 12:09 pm

how to use trend control of WinCC 7.5SP2 display historian data form OPC HDA？
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