Understand the elements managed by the API

DRA Product Group

DRAProdGroup

A DRA Product Group is a named grouping of AVEVA Pipeline Operations for Liquids Product Types that is specific to a DRA Line. The DRA Product Group is used to identify the appropriate setpoint to use for the DRA Injectors on the associated DRA Line. At least one DRA Product Group must exist before Setpoint Management can occur.

A DRA Product Group belongs to a DRA Line.

DRA Product Type

DRAProdGroupProdTypeJoin

The DRA Product Type identifies a corresponding AVEVA Pipeline Operations for Liquids Product Type to be included in a DRA Product Group. At least one DRA Product Type must exist in the DRA Product Group before Setpoint Management can occur.

Each DRA Product Type correlates to a Product Code in the RealTime prodtype table (field prod_code).

DRA Flow Rate Range

DRAFlowRateRange

The DRAFlowRateRange table defines a set of Controller-selectable values that are used to identify the appropriate setpoint to use for the DRA Injectors on the associated DRA Line. At least one DRA Flow Rate Range must exist in the DRA Product Group before Setpoint Lookup Rate Management can occur.

A DRA Flow Rate Range belongs to a DRA Line.

DRA Injector Setpoint Group

DRAInjectorSetpointGroup

This table groups a collection of DRA Injector Setpoint values to be referenced by one or more DRA Injectors.

DRA Injector Setpoint

DRAInjectorSetpoint

This table specifies a value (double) representing the DRA Injector Setpoint for a specific combination of DRA Product Group and DRA Flow Rate Range.