The AlertTypeis used to transport errors and warnings.
The AlertTypeis formally defined in Table 77.
Table 77– AlertType Definition
|
Attribute |
Value |
|||||
|
BrowseName |
AlertType |
|||||
|
IsAbstract |
False |
|||||
|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
|
Subtype of the 0:AlarmConditionTypedefined in OPC 10000-9which means it inherits the InstanceDeclarations of that Node. |
||||||
|
0:HasProperty |
Variable |
ErrorCode |
0:String |
0:PropertyType |
M, RO |
|
|
Conformance Units |
||||||
|
MachineTool Notification – Errors and Alerts |
||||||
The ErrorCodeis used for the manufacturer defined error code. Often this is a numeric code whose meaning can be found in the manufacturer’s documentation for the machine.
It is supposed that any error message shown to users of the machine is transmitted with the AlertTypein the MessageProperty inherited from the BaseEventType.