It is to describe of the trace samples for a given program step. It is used in StepTraceDataType. The structure is defined in Table 209.
Table 209 – TraceContentDataType Structure
|
Name |
Type |
Description |
Optional |
|
TraceContentDataType |
structure |
Subtype of the 0:Structure defined in OPC 10000-5. |
|
|
Values |
0:Double[] |
It is an array of trace samples. The values correspond to the PhysicalQuantity attribute. |
False |
|
SensorId |
0:TrimmedString |
It is the system-wide unique identifier of the sensor which has reported the values. This will be useful for identifying the sensor when the same set of samples are reported by multiple sensors. |
True |
|
Name |
0:String |
True |
|
|
Description |
0:String |
True |
|
|
PhysicalQuantity |
0:Byte |
It is to determine the type of the physical quantity associated to a given value(s). Refer section 9.1 for the pre-defined values. |
True |
|
EngineeringUnits |
0:EUInformation |
It is the engineering unit of the values. |
True |
Its representation in the AddressSpace is defined in Table 210.
Table 210 – TraceContentDataType Definition
|
Attribute |
Value |
||||
|
BrowseName |
TraceContentDataType |
||||
|
IsAbstract |
False |
||||
|
References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of the 0:Structure defined in OPC 10000-5. |
|||||
|
Conformance Units |
|||||
|
IJT Joining Result Trace |
|||||
|
|
|||||