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5.8 Alarm model ToC Previous Next

5.8.3 AlarmGroupType ToC Previous Next index

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

Attribute Value
BrowseName AlarmGroupType
IsAbstract False

Subtype of the FolderType defined in OPC 10000-5

References NodeClass BrowseName DataType TypeDefinition Modelling Rule
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.

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