The FdtAuditWriteUpdateEventType is used to indicate the change of a parameter value. It is formally defined in Table 26.
Table 26 – FdtAuditWriteUpdateEventType Definition
|
Attribute |
Value |
||||||
|
BrowseName |
FdtAuditWriteUpdateEventType |
||||||
|
IsAbstract |
False |
||||||
|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
||
|
Subtype of the 0:AuditWriteUpdateEventType defined in OPC UA 10000-3 Address Space Model 9.27, which means it inherits the InstanceDeclarations of that Node. |
|||||||
|
0:HasProperty |
Variable |
OldUnit |
0:String |
0:PropertyType |
O |
||
|
0:HasProperty |
Variable |
NewUnit |
0:String |
0:PropertyType |
O |
||
The property OldUnit may be used to indicate the unit of the old value. The property NewUnit may be used to indicate the unit of the new value. If the source node of the event has an engineering unit, it is mandatory to provide these properties.