The "Hist - Events" (HistEvent) data group is used to read events from the Emerson event file. The data group reads by date range, index number, or get latest data.
Get latest data: There are three different parameters associated with a Get latest data request, each of which may be combined with the others for different effects:
Get data by index: There are two parameters associated with this selection:
Get data by date range: There are two parameters associated with this selection:
Example
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<HistEvent niceName="Hist - Events"> <dgElements secLev="4" type="vrnt"> <Count desc="Event count"/> <DateTime desc="Timestamp"/> <RecVers desc="Rec version" hidden="true"/> <Seq desc="Seq #"/> <RecType desc="Type #" hidden="true"/> <RecTypeT desc="Type" type="string" ref="RecType" mapVal="U107EvtType"/> <SubType desc="Sub-type #" hidden="true"/> <SubTypeT desc="Sub-type" type="string" isRef="1"> <ref prec="0" refOp="opAssignId" deid="SubType"/> <ref prec="1" refOp="opMapToMapVal" deid="RecType" mapVal="MapEvtType"/> </SubTypeT> <UserName desc="ID"/> <ComType desc="Comm type" hidden="true"/> <ComNum desc="Comm #" hidden="true"/> <Tag desc="Parameter"/> <DataType desc="Data type" hidden="true"/> <DataTypeT desc="Data type" type="string" hidden="true" ref="DataType" mapVal="EDataType"/> <ValueOld desc="Old/found value"/> <Value desc="New/left value"/> <MeasTypOld desc="Meas type old #" hidden="true"/> <UnitTypOld desc="Unit type old #" hidden="true"/> <UnitsOld desc="Old/found units"/> <MeasType desc="Meas type new #" hidden="true"/> <UnitType desc="Unit type new#" hidden="true"/> <Units desc="New/left units"/> <Desc desc="Description"/> </dgElements> <uccRecvParms required="false"> <Cnt desc="Max records to read" type="ui4"/> <GetLatest desc="Get latest?" type="boolean"/> <Seq desc="Sequence #" type="ui4"/> <SDate desc="Start date" type="string"/> <EDate desc="End date" type="string"/> </uccRecvParms> </HistEvent> |