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 44 – AlarmGroupType definition

Attribute

Value

BrowseName

AlarmGroupType

IsAbstract

False

References

NodeClass

BrowseName

DataType

TypeDefinition

ModellingRule

Subtype of the FolderType defined in 10000-5

AlarmGroupMember

Object

<AlarmConditionInstance>

AlarmConditionType

OptionalPlaceholder

ConformanceUnits

A & C First in Group Alarm

A & C Suppression Group

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.