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Reference

OpcOffNormalAlarmNode Class

Defines an alarm condition node intended to represent a discrete condition that is considered to be not normal.

Reference

OpcOffNormalAlarmNode Class ​

Namespace
Opc.UaFx
Assembly
Opc.UaFx.Advanced.dll
Package
Opc.UaFx.Advanced v2.59.0
Members
OpcOffNormalAlarmNode Members

Defines an alarm condition node intended to represent a discrete condition that is considered to be not normal.

Syntax ​

csharp
[OpcEventType(typeof(OpcOffNormalAlarm))]
[OpcNodeType(10637)]
public class OpcOffNormalAlarmNode : OpcDiscreteAlarmNode
vbnet
<OpcEventType(GetType(OpcOffNormalAlarm))>
<OpcNodeType(10637)>
Public Class OpcOffNormalAlarmNode
    Inherits OpcDiscreteAlarmNode

Inheritance ​

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

Implements ​

Derived types ​

Remarks ​

This type of alarm is usually used to indicate that a discrete value is in an alarm state, it is active as long as a non-normal value is present.

Constructors ​

NameDescription
OpcOffNormalAlarmNode10 overloadsInitializes a new instance of the OpcOffNormalAlarmNode class accessible by the name specified.

Properties ​

NameDescription
DefaultTypeDefinitionIdprotected · overrideGets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
NormalStateIdGets or sets the node identifier that points to a variable which has a value that corresponds to one of the possible values of the variable pointed to by the InputNodeId property where the NormalStateId property variable value is the value that is considered to be the normal state of the variable pointed to by the InputNodeId property.
NormalStateIdNodeGets the OpcNodeIdPropertyNode of the NormalStateId property.

Methods ​

NameDescription
CreateBranchCoreprotected · overrideCreates a new instance of the OpcOffNormalAlarmNode using the same Id and Name as this node.

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

Extension methods ​

NameDescription
OpcAcknowledgeableConditionNodeExtension.AcknowledgeAcknowledges 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.ConfirmConfirms 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.AddCommentApplies 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.ChangeCommentChanges the condition 'Comment' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsAckedChanges the condition 'Acked' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsActiveChanges the condition 'Active' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsConfirmedChanges the condition 'Confirmed' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsEnabledChanges the condition 'Enabled' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsSuppressedChanges the condition 'Suppressed' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeSeverityChanges the condition 'Severity' of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeShelvingChanges the condition 'Shelving' of the conditionNode specified using the further specified context.
OpcConditionNodeExtension.DisableChanges the condition state to 'Disabled' of the conditionNode specified using the further specified client.
OpcConditionNodeExtension.EnableChanges the condition state to 'Enabled' of the conditionNode specified using the further specified client.

Applies to ​

PackageVersions
Opc.UaFx.Advancedv2.5–v2.59