The HasEffectUnsuppressed ReferenceType is a concrete ReferenceType and can be used directly. It is a subtype of HasEffect.

The semantic of this ReferenceType is to point form a Transition to an Alarm that will no longer be suppressed.

• If the Reference is to an Object then all Alarms in the HasNotifier hierarchy below that Object are removed from being suppressed,
• If the target is an AlarmType then all instance of that AlarmType are no longer suppressed below the Object containing the StateMachine,
• if the target is an Alarm instance then the given Alarm instance is no longer suppressed. No errors are logged if the Alarm was not suppressed.

The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType or one of its subtypes. The TargetNode can be of any NodeClass.

The representation of the HasEffectUnsuppressed ReferenceType in the AddressSpace is specified in Table 141.

Table 141 – HasEffectUnsuppressed ReferenceType

Attributes	Value
BrowseName	HasEffectUnsuppressed
InverseName	MayBeUnsuppressedBy
Symmetric	False
IsAbstract	False
References	NodeClass	BrowseName	Comment
ConformanceUnits
A & C Statemachine Suppression Trigger