Full retrieval - how it works

The following illustration shows how values are returned for full retrieval:

Data is retrieved in full mode with a start time of T1 and an end time of T2. Each dot in the graphic represents an actual data point stored on the historian. From these points, the following are returned:

• P2, because there is no actual data point at T1

• P3 through P12, because they represent stored data points during the time period