TheUnsuppress Methodis used to clear the SuppressedStateof a specific Alarminstance. It is only available on an instance of an AlarmConditionTypethat also exposes the SuppressedState. This Methodcan be used to overwrite any suppression cause by an associated AlarmSuppressionGroup. This Methodworks in parallel with any suppression triggered by an AlarmSuppressionGroup, in that if the Methodis used to clear the SuppressedStateof an Alarm, any change in an AlarmSuppressionGroup might again suppress the Alarm.

Normally, the NodeIdof the ObjectInstance is passed as the ObjectIdto the Call Service. However, some Serversdo not expose Conditioninstances in the AddressSpace. Therefore, Serversshall allow Clientsto call the Unsuppress Methodby specifying ConditionIdas the ObjectId.The Methodcannot be called with an ObjectIdof the AlarmConditionType Node.

Signature

Unsuppress();

Method Result Codes in Table 57(defined in Call Service).

Table 57– Unsuppress result codes

Result Code	Description
Bad_MethodInvalid	The MethodIdprovided does not correspond to the ObjectIdprovided. See 10000-4for the general description of this result code.
Bad_NodeIdInvalid	Used to indicate that the specified ObjectIdis not valid or that the Methodwas called on the AlarmConditionType Node. See 10000-4for the general description of this result code.

Comments

Unsuppress Methodapplies to an Alarminstance, even if it is not currently active.

Table 58specifies the AddressSpacerepresentation for the Suppress Method.

Table 58– Unsuppress Method AddressSpace definition

Attribute	Value
BrowseName	Unsuppress
References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
AlwaysGeneratesEvent	ObjectType	AuditConditionSuppressionEventType	Defined in 5.10.4
ConformanceUnits
A & C Suppression by Operator

If Auditingis supported, this Methodshall generate and event of AuditConditionSuppressionEventTypefor all invocations of the Method.