Use the Historic Data Poll Interval field on the SE RPC tab to specify the frequency with which ClearSCADA retrieves historic point data from the controller.
Enter the interval in the OPC Time Format, or specify 0 to disable automatic polling.
A suitably configured SE RPC point has to exist in the database for each item of historic point data that ClearSCADA is to retrieve from the controller (see Points Used on SE Rod Pump Controllers).
You can also use the Upload Historic Data pick action to upload the controller's historic point data. The pick action can be used between, or as an alternative to, scheduled polls.