I need PI tag data (Single Value) for Midnight timestamp. Archived values may fall some times around 't'. (i.e) 11.59 PM or 12:01 AM.
The Webservice method used is PI Arc data request web method. where ST and ET provided is 't'. Retrival type used is : Compressed. (Interpolated data is not required) and boundary used is Inside.
Is the method and parameters used is perfect for above scenario mentioned.
@Sowthri: Your reading of the solution to your problem is right. You need to utilize the GetPIArchiveData web method to query single or several archived values.
Retrieving data ...