The HasEffectSuppressed 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 be suppressed.

• If the reference is to an Object then all Alarms in the EventNotifer hierarchy below that Object are suppressed,
• If the target is an AlarmType then all instance of that AlarmType in the HasNotifier hierarchy below the Object containing the StateMachine are suppressed,
• If the target is an Alarm instance then the given Alarm instance is 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 HasEffectSuppressed ReferenceType in the AddressSpace is specified in Table 106

Table 106 – HasEffectSuppressed ReferenceType

Attributes	Value
BrowseName	HasEffectSuppressed
InverseName	MayBeSuppressedBy
Symmetric	False
IsAbstract	False
References	NodeClass	BrowseName	Comment