The AlarmGroupType provides a simple manner of grouping Alarms. This grouping can be used for Alarm suppression or for identifying related Alarms. The actual usage of the AlarmGroupType is specified where it is used.
Table 36 – AlarmGroupType Definition
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Attribute |
Value |
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|
BrowseName |
AlarmGroupType |
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|
IsAbstract |
False |
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|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
ModellingRule |
|
Subtype of the FolderType defined in OPC 10000-5 |
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|
AlarmGroupMember |
Object |
<AlarmConditionInstance> |
|
AlarmConditionType |
OptionalPlaceholder |
|
|
|
|
|
|
|
The instance of an AlarmGroupType should be given a name and description that describes the purpose of the Alarm group.
The AlarmGroupType instance will contain a list of instances of AlarmConditionType or sub type of AlarmConditionType referenced by AlarmGroupMember references. At least one Alarm must be present in an instance of an AlarmGroupType.