Measurement Source used as active by the object. Possible values for this property are the following:

•1: SCADA

•2: Operator (default)

•3: Control Center

•4: Billing

•5: Calculated

•6: Database

•100: Topological Processor

•101: Power Flow

•102: State Estimator

•103: Load Shedding

•104: Distribution Load Modelling

•105: Self-Healing

•106: External Reader

The selected Source type must exist in the Measurement to be set as active. It is not possible to select types 100, 101, 102, 103 , 104, 105, or 106 (Electrical Study outputs) if the StudyInputSource property is set to 0 (ActiveSource). In case the selected Source is deleted, this property assumes a value of 2 (Operator).