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Scope: Core (OPC-10000-*) All specs

26 result(s) for StartTime

OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

4.6 Bounding Values and time domain

BoundingValues are requested. For a complete description of the Extensible Parameter HistoryReadDetails that include StartTime , EndTime and NumValuesPerNode, see 6.5 . The concept of Bounding Values and how they affect ... HistoryRead Service , the required parameters include at least two of these three parameters: startTime, endTime and numValuesPerNode . What is returned when BoundingValues are requested varies according to which of these
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.8.6 AuditHistoryRawModifyDeleteEventType

HasProperty References to the same Nodes . HasProperty Variable IsDeleteModified Boolean PropertyType Mandatory HasProperty Variable StartTime UtcTime PropertyType Mandatory HasProperty Variable EndTime UtcTime PropertyType Mandatory HasProperty Variable OldValues DataValue[] PropertyType Mandatory ... defined in 5.8.5 . The IsDeleteModified reflects the isDeleteModified parameter of the call. The StartTime reflects the starting time parameter of the call. The EndTime reflects the ending time parameter
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.8.10 AuditHistoryBulkInsertEventType

HasProperty References to the same Nodes . HasProperty Variable UpdatedNode NodeId PropertyType Mandatory HasProperty Variable StartTime UtcTime PropertyType Mandatory HasProperty Variable EndTime UtcTime PropertyType Mandatory ConformanceUnits Historical Access Audit BulkInsert Events ... bulk insert of historical information. It can be a HistoricalDataNode or a HistoricalEventNode . StartTime is the oldest time of the block that was inserted. EndTime is the newest time
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.2.2 Operation level result codes

could not be performed. Good_NoData is returned for cases such as: ReadEventDetails where startTime = endTime ReadEventDetails data is requested and does not exist ReadRawModifiedDetails where data is requested
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.2.1 ReadEventDetails structure details

TRUE (see OPC 10000-3 ). At least two of the three parameters, numValuesPerNode , startTime , and endTime shall be specified. Table 29 - ReadEventDetails Structure Name Type Description ReadEventDetails Structure Specifies ... number of Events. The default value of 0 indicates that there is no maximum. startTime UtcTime Beginning of period to read. The default value of DateTime.MinValue indicates that the startTime
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.2.2 Read Event functionality

returned. For a complete description of filter refer to OPC 10000-4 . The startTime and endTime are used to filter on the Time field for Events . The time domain ... request is defined by startTime , endTime , and numValuesPerNode; at least two of these shall be specified. If endTime is less than startTime , or endTime and numValuesPerNode alone are specified then
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.2.3 ReadEventDetails2 structure details

TRUE (see OPC 10000-3 ). At least two of the three parameters, numValuesPerNode , startTime , and endTime shall be specified. Table 31 - ReadEventDetails2 Structure Name Type Description ReadEventDetails2 Structure Specifies
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.2.4 Read modified functionality

this function is to read Events from history that have been Modified. The startTime and endTime are used to filter on the Time field for Events . The domain ... request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less than startTime , or endTime and numValuesPerNode alone are specified, then
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.3.1 ReadRawModifiedDetails structure details

structure details Table 35 defines the ReadRawModifiedDetails structure. Two of the three parameters, numValuesPerNode, startTime , and endTime shall be specified. Table 35 - ReadRawModifiedDetails structure Name Type Description ReadRawModifiedDetails Structure Specifies ... TRUE for Read Modified functionality, FALSE for Read Raw functionality. Default value is FALSE. startTime UtcTime Beginning of period to read. Set to default value of DateTime.MinValue if no specific
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.3.2 Read raw functionality

actual data on a display. The time domain of the request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less ... than startTime , or endTime and numValuesPerNode alone are specified then the data will be returned in reverse order, with later data coming first as if time were flowing backward
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.3.3 Read modified functionality

Server returns a Bad_InvalidArgument StatusCode . The domain of the request is defined by startTime , endTime , and numValuesPerNode ; at least two of these shall be specified. If endTime is less ... than startTime , or endTime and numValuesPerNode alone are specified, then the data shall be returned in reverse order with the later data coming first. If all three are specified then
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.5.4.2 Read processed functionality

duration ProcessingInterval . The specified Aggregate Type is calculated for each interval beginning with startTime by using the data within the next ProcessingInterval . For example, this function can provide hourly statistics ... domain when ProcessingInterval is 1 hour. The domain of the request is defined by startTime , endTime , and ProcessingInterval . All three shall be specified. If endTime is less than startTime then
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.9.5.1 DeleteRawModifiedDetails structure detail

deleted. isDeleteModified Boolean TRUE for MODIFIED, FALSE for RAW. Default value is FALSE. startTime UtcTime Beginning of period to be deleted. endTime UtcTime End of period to be deleted ... history database, e.g., deletion of data from a source with incorrect timestamps. Both startTime and endTime shall be defined. The startTime shall be less than the endTime , and values
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

3.1.3 EffectiveEndTime

EffectiveEndTime time immediately before endTime Note 1 to entry: All Aggregate calculations include the startTime but exclude the endTime . However, it is sometimes necessary to return an Interpolated End Bound
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

3.1.7 bounding values

bounding values values at the startTime and endTime needed for Aggregates to compute the result Note 1 to entry: If Raw data does not exist at the startTime and endTime
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.2.4 Time calculation issues

Aggregates that include time as part of the calculation. All Aggregate calculations include the startTime but exclude the endTime . However, it is sometimes necessary to return an Interpolated End Bound ... there is one data point in the Interval and it falls on the StartTime the time duration used in calculations is one unit of the time resolution of the Server
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.3 Description

Simple Bounds. Timestamp What is the time stamp of the resulting Aggregate value: < startTime | endTime | Raw> startTime : The time at the start of the interval. endTime : The time
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.4 Interpolative

Aggregate defined in Table 52 returns the Interpolated Bounding Value (see 3.1.8 ) for the startTime of each interval. When searching for Good values before or after the bounding value ... Interpolated Aggregate Characteristics Type Interpolated Data Type Same as Source Use Bounds Interpolated Timestamp StartTime StatusCode Calculations Calculation Method Custom Good if no Bad values skipped and Good values
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.11 Maximum

Maximum Aggregate Characteristics Type Calculated Data Type Same as Source Use Bounds None Timestamp StartTime StatusCode Calculations Calculation Method Custom If no Bad values then the Status is Good ... complete interval Calculated Set Sometimes If the Maximum value is not on the startTime of the interval or if the Status was set to Uncertain_DataSubNormal because of non-Good
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.15 Minimum2

then End bound is used as the Minimum with the timestamp set to the startTime of the interval. The End bound is ignored in all other cases. Table 63 - Minimum2 ... Minimum2 Aggregate Characteristics Type Calculated Data Type Same as Source Use Bounds Simple Timestamp StartTime StatusCode Calculations Calculation Method PercentTime Partial Set Sometimes If an interval is not a complete
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.16 Maximum2

then End bound is used as the maximum with the timestamp set to the startTime of the interval. The End bound is ignored in all other cases. Table 64 - Maximum2 ... Maximum2 Aggregate Characteristics Type Calculated Data Type Same as Source Use Bounds Simple Timestamp StartTime StatusCode Calculations Calculation Method PercentTime Partial Set Sometimes If an interval is not a complete
OPC-10000-13 – OPC Unified Architecture - Part 13: Aggregates

5.4.3.28 StartBound

StartBound Aggregate defined in Table 76 returns the value and status at the StartTime for the interval by calculating the Simple Bounding Values for the interval (see 3.1.9 ). Table ... StartBound Aggregate Characteristics Type Calculated Data Type Same as Source Use Bounds Simple Timestamp StartTime StatusCode Calculations Calculation Method Custom The status of the start bound. Partial Set Sometimes
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

5.3 GetRecords Method

below, and the arguments are described in Table 2 . Signature GetRecords ( [in] 0:DateTime StartTime, [in] 0:DateTime EndTime, [in] 0:UInt32 MaxReturnRecords, [in] 0:UInt16 MinimumSeverity, [in] 0:LogRecordMask ... LogRecordsDataType Results, [out] 0:ByteString ContinuationPointOut ); Table 2 - GetRecords Method arguments Argument Description StartTime The time associated with the first LogRecord returned in the array in Results
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

6.2.1.1 Overview

well as StatX and StatY, groups by the Object StatGroup. The Property StartTime applies to all of them, as well as the Method ResetStatistics . Figure 10 Example of the usage ... inheriting the InstanceDeclarations of that Node. 0:HasProperty Variable StartTime 0:DateTime 0:PropertyType O 0:HasComponent Method ResetStatistics O StartTime provides the information, at what point in time
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

6.2.1.2 ResetStatistics Method

statistical data provided by the Object implementing the Interface . That includes, that the StartTime is reset to the current time. The signature of this Method is specified below. The Method
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

6.2.3 IRollingStatisticsType

duration are considered for the statistical data, even if the time interval between the StartTime and the current time is longer. WindowNumberOfValues describes the maximum number of values before ... into the number of values is considered, even if more data were gathered since StartTime . An Object or ObjectType implementing IRollingStatisticsType shall never provide WindowDuration and WindowNumberOfValues together It shall