Reference

OpcAlarmConditionNode Class

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcAlarmConditionNode Members

Defines an acknowledgeable condition node which introduces additional states to define active, suppressed and shelving alarm conditions.

Syntax

[OpcEventType(typeof(OpcAlarmCondition))]
[OpcNodeType(2915)]
public class OpcAlarmConditionNode : OpcAcknowledgeableConditionNode

<OpcEventType(GetType(OpcAlarmCondition))>
<OpcNodeType(2915)>
Public Class OpcAlarmConditionNode
    Inherits OpcAcknowledgeableConditionNode

Inheritance

Object → OpcNode → OpcInstanceNode → OpcObjectNode → OpcEventNode → OpcConditionNode → OpcAcknowledgeableConditionNode → OpcAlarmConditionNode

Implements

• IOpcNode
• IOpcNodeInfo

Derived types

• OpcDiscreteAlarmNode
• OpcLimitAlarmNode

Constructors

Name	Description
OpcAlarmConditionNode10 overloads	Initializes a new instance of the OpcAlarmConditionNode class accessible by the name specified.

Properties

Name	Description
DefaultTypeDefinitionIdprotected · override	Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
InputNodeId	Gets or sets an identifier which represents the node identifier of the variable the value of which is used as primary input in the calculation of the alarm state.
InputNodeIdNode	Gets the OpcNodeIdPropertyNode of the InputNodeId property.
IsActive	Gets a value indicating whether the alarm situation represented currently exists.
IsActiveNode	Gets the OpcTwoStateVariableNode of the IsActive property.
IsSuppressed	Gets a value indicating whether the alarm is suppressed due to system specific reasons.
IsSuppressedNode	Gets the OpcTwoStateVariableNode of the IsSuppressed property.
IsSuppressedOrShelved	Gets a value indicating whether the alarm is either in the IsSuppressed or Shelving.
IsSuppressedOrShelvedNode	Gets the OpcPropertyNode<T> of the IsSuppressedOrShelved property.
MaxTimeShelved	Gets or sets the maximum time that the alarm condition may be shelved.
MaxTimeShelvedNode	Gets the OpcPropertyNode<T> of the MaxTimeShelved property.
OneShotShelveCallback	Gets or sets a callback used to shelve the condition node once.
Shelving	Gets a node which is used to suggest whether an alarm shall (temporarily) be prevented from being displayed to the user.
TimedShelveCallback	Gets or sets a callback used to shelve the condition node for a specific amount of time.
TimedUnshelveCallback	Gets or sets a callback used to unshelve the condition node after a specific amount of time being shelved.
UnshelveCallback	Gets or sets a callback used to unshelve the condition node.

Methods

Name	Description
CreateBranchCoreprotected · override	Creates a new instance of the OpcAlarmConditionNode using the same Id and Name as this node.
OneShotShelveCoreprotected · virtual	Shelves a condition node once using the context specified.
TimedShelveCoreprotected · virtual	Shelves a condition node using the context and duration information specified.
TimedUnshelveCoreprotected · virtual	Unshelves a condition node using the context specified after being shelved for a specific amount of time.
UnshelveCoreprotected · virtual	Unshelves a condition node using the context specified.

Inherits members from OpcAcknowledgeableConditionNode, OpcConditionNode, OpcEventNode, OpcObjectNode, OpcInstanceNode, OpcNode.

Extension methods

Name	Description
OpcAcknowledgeableConditionNodeExtension.Acknowledge	Acknowledges an event notification which can be identified by the EventId of the conditionNode specified there the IsAckedNode is equals to its false state using the further specified client.
OpcAcknowledgeableConditionNodeExtension.Confirm	Confirms an event notification which can be identified by the EventId of the conditionNode specified there the IsConfirmedNode is equals to its false state using the further specified client.
OpcConditionNodeExtension.AddComment	Applies a comment to the state reported by an event notification which can be identified by the EventId of the conditionNode specified using the further specified client.
OpcConditionNodeExtension.ChangeComment	Changes the condition 'Comment' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsAcked	Changes the condition 'Acked' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsActive	Changes the condition 'Active' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsConfirmed	Changes the condition 'Confirmed' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsEnabled	Changes the condition 'Enabled' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsSuppressed	Changes the condition 'Suppressed' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeSeverity	Changes the condition 'Severity' of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeShelving	Changes the condition 'Shelving' of the conditionNode specified using the further specified context.
OpcConditionNodeExtension.Disable	Changes the condition state to 'Disabled' of the conditionNode specified using the further specified client.
OpcConditionNodeExtension.Enable	Changes the condition state to 'Enabled' of the conditionNode specified using the further specified client.

Applies to

Package	Versions
Opc.UaFx.Advanced	v2.5–v2.59