PI getting "questionable data" from 800xA
As the image attached, PI is not reading circuit breaker position properly.
Sometimes the variable gets "questionable data" status.
How to solve it?
It is a substation automation system, so there are 4 CET OPC Server (ABB IEC61850 OPC Server).
The address is OPC_SERVER_NAME\IED_NAME\LD0\DAXCBR1\Pos\stVal (circuit breaker position).
It only takes values 0, 1, 2 and 3.
In 800xA the datatype is VT_I4 (control connection).
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