The ExclusiveDeviationAlarmTypeis utilized with multiple mutually exclusive limits. It is formally defined in Table 68.

Table 68– ExclusiveDeviationAlarmType definition

Attribute	Value
BrowseName	ExclusiveDeviationAlarmType
IsAbstract	False
References	NodeClass	BrowseName	DataType	TypeDefinition	Modelling Rule
Inherits the Propertiesof the ExclusiveLimitAlarmTypedefined in clause 5.8.12.3.
HasProperty	Variable	SetpointNode	NodeId	PropertyType	Mandatory
HasProperty	Variable	BaseSetpointNode	NodeId	PropertyType	Optional

The SetpointNode Propertyprovides the NodeIdof the set point used in the Deviationcalculation. If this Variableis not in the AddressSpace, a NULL NodeIdshall be provided.

The BaseSetpointNode Propertyprovides the NodeIdof the original or base setpoint. The value of this node is the value of the set point to which an AdaptiveAlarmcan be reset if any algorithmic changes need to be discarded. The value of this node usually contains the originally configured set point.