Reference

Alarms and conditions

Concept

Alarms and conditions

Type	Description
OpcAcknowledgeableConditionNode	Defines a condition node which introduces additional states for acknowledgement and confirmation.
OpcAlarmConditionNode	Defines an acknowledgeable condition node which introduces additional states to define active, suppressed and shelving alarm conditions.
OpcConditionNode	Defines all general characteristics of a condition.
OpcConditionRetainPolicy	Defines the evaluation policy for the IsRetained flag within the condition lifecycle.
OpcDialogConditionNode	Defines a condition node which represents itself as a dialog.
OpcDiscreteAlarmNode	Defines an alarm condition node which is used to classify types into alarm conditions where the input for the alarm may take on only a certain number of possible values (e.g. true/false, running/stopped/terminating).
OpcExclusiveLimitAlarmNode	Defines an alarm condition node with multiple mutually exclusive limits.
OpcLimitAlarmNode	Defines an alarm condition node with multiple limits.
OpcNodeManager	Provides an abstract base class used to organize and maintain the address space or only a part of it.
OpcNonExclusiveLimitAlarmNode	Defines an alarm condition node with multiple non-exclusive limits.
OpcOffNormalAlarmNode	Defines an alarm condition node intended to represent a discrete condition that is considered to be not normal.
OpcServer	Represents an OPC UA server which provides the address space defined by its NodeManagers to its clients.
OpcTripAlarmNode	Defines an alarm condition node which is intended to represent an equipment trip condition.