Reference

OpcExclusiveLevelAlarmNode Class

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcExclusiveLevelAlarmNode Members

Defines a limit alarm which utilizes an alarm with multiple mutually exclusive limits.

Syntax

[OpcEventType(typeof(OpcExclusiveLevelAlarm))]
[OpcNodeType(9482)]
public class OpcExclusiveLevelAlarmNode : OpcExclusiveLimitAlarmNode

<OpcEventType(GetType(OpcExclusiveLevelAlarm))>
<OpcNodeType(9482)>
Public Class OpcExclusiveLevelAlarmNode
    Inherits OpcExclusiveLimitAlarmNode

Inheritance

Object → OpcNode → OpcInstanceNode → OpcObjectNode → OpcEventNode → OpcConditionNode → OpcAcknowledgeableConditionNode → OpcAlarmConditionNode → OpcLimitAlarmNode → OpcExclusiveLimitAlarmNode → OpcExclusiveLevelAlarmNode

Implements

• IOpcNode
• IOpcNodeInfo

Remarks

A level alarm is commonly used to report when a limit is exceeded. It typically relates to an instrument – e.g. a temperature meter. The level alarm becomes active when the observed value is above a high limit or below a low limit.

Constructors

Name	Description
OpcExclusiveLevelAlarmNode10 overloads	Initializes a new instance of the OpcExclusiveLevelAlarmNode 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.

Methods

Name	Description
CreateBranchCoreprotected · override	Creates a new instance of the OpcExclusiveLevelAlarmNode using the same Id and Name as this node.

Inherits members from OpcExclusiveLimitAlarmNode, OpcLimitAlarmNode, OpcAlarmConditionNode, 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.ChangeLimitState	Changes the condition current limit alarm state of the conditionNode specified using the further specified context.
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