OpcOffNormalAlarmNode Class

Namespace: Opc.UaFx
Assemblies: Opc.UaFx.Advanced.dll

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

C#

[OpcEventType(typeof(OpcOffNormalAlarm))]
public class OpcOffNormalAlarmNode : OpcDiscreteAlarmNode, IOpcNode, IOpcNodeInfo


Inheritance ObjectOpcNodeOpcInstanceNodeOpcObjectNodeOpcEventNodeOpcConditionNodeOpcAcknowledgeableConditionNodeOpcAlarmConditionNodeOpcDiscreteAlarmNode › OpcOffNormalAlarmNode


Derived


Attributes OpcEventTypeAttribute


Implements IOpcNode, IOpcNodeInfo

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.

Name Description
OpcOffNormalAlarmNode(IOpcNode, OpcName) Initializes a new instance of the OpcOffNormalAlarmNode class accessible by the name specified as a child node of the parent node given.
OpcOffNormalAlarmNode(IOpcNode, OpcName, OpcNodeId) Initializes a new instance of the OpcOffNormalAlarmNode class accessible by the name and id specified as a child node of the parent node given.
OpcOffNormalAlarmNode(OpcName) Initializes a new instance of the OpcOffNormalAlarmNode class accessible by the name specified.
OpcOffNormalAlarmNode(OpcName, OpcNodeId) Initializes a new instance of the OpcOffNormalAlarmNode class accessible by the name and id specified.
Name Description
AfterApplyChanges Occurs after one or more changes on the node has been notified.
(Inherited from OpcNode)
BeforeApplyChanges Occurs before one or more changes on the node are notified.
(Inherited from OpcNode)
Name Description
AcknowledgeCallback Gets or sets a callback used to acknowledge the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
AcknowledgeNode Gets the OpcAddCommentMethodNode used to handle 'Acknowledge' method calls to acknowledge the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
AddCommentCallback Gets or sets a callback used to add a comment to the condition node.
(Inherited from OpcConditionNode)
AddCommentNode Gets the OpcAddCommentMethodNode used to handle 'AddComment' method calls to add a comment to the condition node.
(Inherited from OpcConditionNode)
AutoReportChanges Gets or sets a value indicating whether the OpcConditionNode will automatically report an event when a change method call completes.
(Inherited from OpcConditionNode)
BranchId Gets or sets an identifier which identifies the branch to that the event does belong.
(Inherited from OpcConditionNode)
BranchIdNode Gets the OpcNodeIdPropertyNode of the BranchId property.
(Inherited from OpcConditionNode)
Category Gets the NodeCategoryOpcAttribute which identifies the kind of node and is therefore used to classify the node regarding its use and purpose.
(Inherited from OpcNode)
ClientUserId Gets or sets an identifier that is related to the Comment and contains the identity of the user who inserted the most recent Comment.
(Inherited from OpcConditionNode)
ClientUserIdNode Gets the OpcPropertyNode´1 of the ClientUserId property.
(Inherited from OpcConditionNode)
Comment Gets or sets the last comment provided for a certain state (condition branch).
(Inherited from OpcConditionNode)
CommentNode Gets the OpcTextConditionVariableNode of the Comment property.
(Inherited from OpcConditionNode)
ConditionClassId Gets or sets a value which specifies in which domain this condition is used. It is the OpcNodeId of the corresponding condition class type.
(Inherited from OpcConditionNode)
ConditionClassIdNode Gets the OpcNodeIdPropertyNode of the ConditionClassId property.
(Inherited from OpcConditionNode)
ConditionClassName Gets or sets a value that matches the display name of the condition class type.
(Inherited from OpcConditionNode)
ConditionClassNameNode Gets the OpcTextPropertyNode of the ConditionClassName property.
(Inherited from OpcConditionNode)
ConditionName Gets or sets a value which identifies the condition instance that the event originated from.
(Inherited from OpcConditionNode)
ConditionNameNode Gets the OpcPropertyNode´1 of the ConditionName property.
(Inherited from OpcConditionNode)
ConfirmCallback Gets or sets a callback used to confirm the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
ConfirmNode Gets the OpcAddCommentMethodNode used to handle 'Confirm' method calls to confirm the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
DefaultReferenceTypeId Gets the default identifier which identifies the type that defines the underlying node reference within this OpcInstanceNode is referenced by its parent node.
(Inherited from OpcInstanceNode)
DefaultReferenceTypeId Gets the default identifier which identifies the type that defines the underlying node reference within this OpcInstanceNode is referenced by its parent node.
(Inherited from OpcObjectNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcInstanceNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcObjectNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcEventNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcConditionNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcAcknowledgeableConditionNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcAlarmConditionNode)
DefaultTypeDefinitionId Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcDiscreteAlarmNode)
Description Gets or sets the value of the optional DescriptionOpcAttribute which shall explain the meaning of the node.
(Inherited from OpcNode)
DisableCallback Gets or sets a callback used to disable the condition node.
(Inherited from OpcConditionNode)
DisableNode Gets the OpcActionMethodNode used to handle 'Disable' method calls to disable the condition.
(Inherited from OpcConditionNode)
DisplayName Gets or sets the value of the DisplayNameOpcAttribute which defines the localizable name of the node.
(Inherited from OpcNode)
EnableCallback Gets or sets a callback used to enable the condition node.
(Inherited from OpcConditionNode)
EnableNode Gets the OpcActionMethodNode used to handle 'Enable' method calls to enable the condition.
(Inherited from OpcConditionNode)
EventId Gets or sets a value generated by the server to uniquely identify a particular event notification.
(Inherited from OpcEventNode)
EventIdNode Gets the OpcPropertyNode´1 of the EventId property.
(Inherited from OpcEventNode)
EventTypeId Gets or sets the node identifier which describes the specific type of event.
(Inherited from OpcEventNode)
EventTypeIdNode Gets the OpcNodeIdPropertyNode of the EventTypeId property.
(Inherited from OpcEventNode)
HasPendingChanges Gets a value indiciating whether there exists any pending change on the node.
(Inherited from OpcNode)
Id Gets the value of the NodeIdOpcAttribute which unambiguously identifies the node.
(Inherited from OpcNode)
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.
(Inherited from OpcAlarmConditionNode)
InputNodeIdNode Gets the OpcNodeIdPropertyNode of the InputNodeId property.
(Inherited from OpcAlarmConditionNode)
IsAcked Gets a value indicating whether the condition requires acknowledgement for the reported condition state.
(Inherited from OpcAcknowledgeableConditionNode)
IsAckedNode Gets the OpcTwoStateVariableNode of the IsAcked property.
(Inherited from OpcAcknowledgeableConditionNode)
IsActive Gets a value indicating whether the alarm situation represented currently exists.
(Inherited from OpcAlarmConditionNode)
IsActiveNode Gets the OpcTwoStateVariableNode of the IsActive property.
(Inherited from OpcAlarmConditionNode)
IsConfirmed Gets a value indicating whether the condition requires confirmation for the reported condition state.
(Inherited from OpcAcknowledgeableConditionNode)
IsConfirmedNode Gets the OpcTwoStateVariableNode of the IsConfirmed property.
(Inherited from OpcAcknowledgeableConditionNode)
IsEnabled Gets a value indicating whether the condition is enabled.
(Inherited from OpcConditionNode)
IsEnabledNode Gets the OpcTwoStateVariableNode of the IsEnabled property.
(Inherited from OpcConditionNode)
IsRetained Gets or sets a value indicating whether the condition is in a state that is interesting for a client wishing to synchronize its state with the server's state.
(Inherited from OpcConditionNode)
IsRetainedNode Gets the OpcPropertyNode´1 of the IsRetained property.
(Inherited from OpcConditionNode)
IsSuppressed Gets a value indicating whether the alarm is suppressed due to system specific reasons.
(Inherited from OpcAlarmConditionNode)
IsSuppressedNode Gets the OpcTwoStateVariableNode of the IsSuppressed property.
(Inherited from OpcAlarmConditionNode)
IsSuppressedOrShelved Gets a value indicating whether the alarm is either in the IsSuppressed or Shelving.
(Inherited from OpcAlarmConditionNode)
IsSuppressedOrShelvedNode Gets the OpcPropertyNode´1 of the IsSuppressedOrShelved property.
(Inherited from OpcAlarmConditionNode)
LastSeverity Gets or sets a value which provides the previous severity of the condition branch.
(Inherited from OpcConditionNode)
LastSeverityNode Gets the OpcConditionVariableNode´1 of the LastSeverity property.
(Inherited from OpcConditionNode)
MaxTimeShelved Gets or sets the maximum time that the alarm condition may be shelved.
(Inherited from OpcAlarmConditionNode)
MaxTimeShelvedNode Gets the OpcPropertyNode´1 of the MaxTimeShelved property.
(Inherited from OpcAlarmConditionNode)
Message Gets or sets a value which defines a human-readable and localizable text description of the event.
(Inherited from OpcEventNode)
MessageNode Gets the OpcTextPropertyNode of the Message property.
(Inherited from OpcEventNode)
ModellingRuleId Gets or sets the identifier which defines how the OpcInstanceNode is used for instantiation.
(Inherited from OpcInstanceNode)
Name Gets or sets the value of the BrowseNameOpcAttribute which defines the non-localizable human-readable name used when browsing the address space.
(Inherited from OpcNode)
Namespace (Inherited from OpcNode)
NormalStateId Gets 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.
NormalStateIdNode Gets the OpcNodeIdPropertyNode of the NormalStateId property.
OneShotShelveCallback Gets or sets a callback used to shelve the condition node once.
(Inherited from OpcAlarmConditionNode)
Parent Gets the parent node of the node.
(Inherited from OpcNode)
Parent Gets the parent node of the node.
(Inherited from OpcInstanceNode)
PendingChanges Gets a value indicating the most recent changes performed on the node since their last notification.
(Inherited from OpcNode)
Quality Gets or sets a value which reveals the status of process values or other resources that this condition is based upon.
(Inherited from OpcConditionNode)
QualityNode Gets the OpcStatusConditionVariableNode of the Quality property.
(Inherited from OpcConditionNode)
QueryEventsCallback Gets or sets a callback used to query any event information which belongs to the node.
(Inherited from OpcNode)
ReadDescriptionCallback (Inherited from OpcNode)
ReadUserWriteAccessCallback (Inherited from OpcNode)
ReadWriteAccessCallback (Inherited from OpcNode)
ReceiveTime Gets or sets the time the OPC UA server received the event from the underlying device of another server.
(Inherited from OpcEventNode)
ReceiveTimeNode Gets the OpcPropertyNode´1 of the ReceiveTime property.
(Inherited from OpcEventNode)
ReferenceType Gets a value which defines a pre-defined used ReferenceTypeId as one of the members defined by the OpcReferenceType enumeration to simplify querying standard reference types.
(Inherited from OpcInstanceNode)
ReferenceTypeId Gets or sets the identifier which identifies the node that defines the semantic of the reference between a source and a target node and generally reflects an operation between the two, such as “A contains B”.
(Inherited from OpcInstanceNode)
Severity Gets or sets an indication of the urgency of the event.
(Inherited from OpcEventNode)
SeverityNode Gets the OpcPropertyNode´1 of the Severity property.
(Inherited from OpcEventNode)
Shelving Gets a node which is used to suggest whether an alarm shall (temporarily) be prevented from being displayed to the user. It is quite often used to block nuisance alarms.
(Inherited from OpcAlarmConditionNode)
SourceName Gets or sets a description of the source of the event.
(Inherited from OpcEventNode)
SourceNameNode Gets the OpcPropertyNode´1 of the SourceName property.
(Inherited from OpcEventNode)
SourceNodeId Gets or sets the node identifier which identifies the node that the event originated from.
(Inherited from OpcEventNode)
SourceNodeIdNode Gets the OpcNodeIdPropertyNode of the SourceNodeId property.
(Inherited from OpcEventNode)
SymbolicName (Inherited from OpcNode)
Tag Gets or sets the object that contains additional user data about the node.
(Inherited from OpcNode)
Time Gets or sets the time the event occurred.
(Inherited from OpcEventNode)
TimedShelveCallback Gets or sets a callback used to shelve the condition node for a specific amount of time.
(Inherited from OpcAlarmConditionNode)
TimedUnshelveCallback Gets or sets a callback used to unshelve the condition node after a specific amount of time being shelved.
(Inherited from OpcAlarmConditionNode)
TimeNode Gets the OpcPropertyNode´1 of the Time property.
(Inherited from OpcEventNode)
TypeDefinitionId Gets or sets the identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
(Inherited from OpcInstanceNode)
UnshelveCallback Gets or sets a callback used to unshelve the condition node.
(Inherited from OpcAlarmConditionNode)
UserWriteAccess Gets or sets the value of the optional UserWriteAccessOpcAttribute which exposes the possibilities of a client to write the attributes of the node taking user access rights into account.
(Inherited from OpcNode)
WriteAccess Gets or sets the value of the optional WriteAccessOpcAttribute which exposes the posibilities of a client to write the attributes of the node.
(Inherited from OpcNode)
WriteDescriptionCallback (Inherited from OpcNode)
WriteUserWriteAccessCallback (Inherited from OpcNode)
WriteWriteAccessCallback (Inherited from OpcNode)
Name Description
Acknowledge(OpcContext) Acknowledges the state reported by an event notification which can be identified by the EventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
Acknowledge(OpcContext, Byte, OpcText) Acknowledges the state reported by an event notification which can be identified by the eventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
Acknowledge(OpcContext, OpcText) Acknowledges the state reported by an event notification which can be identified by the EventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
AcknowledgeCore(OpcNodeContext, Byte, OpcText) Acknowledges the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
AddChild(OpcContext, OpcInstanceNode) (Inherited from OpcInstanceNode)
AddComment(OpcContext, Byte, OpcText) Applies a comment to the state reported by an event notification which can be identified by the eventId using the specified context.
(Inherited from OpcConditionNode)
AddComment(OpcContext, OpcText) Applies a comment to the state reported by an event notification which can be identified by the EventId using the specified context.
(Inherited from OpcConditionNode)
AddCommentCore(OpcNodeContext, Byte, OpcText) Applies the comment to the state of the condition node.
(Inherited from OpcConditionNode)
AddNotifier(OpcContext, IOpcNode) (Inherited from OpcNode)
AddNotifier(OpcContext, IOpcNode) (Inherited from OpcObjectNode)
ApplyChanges(OpcContext) Notifies about changes performed on the node since the last notification and resets the pending changes to None.
(Inherited from OpcNode)
ApplyChanges(OpcContext, Boolean) Notifies about changes performed on the node (and optionally on its children) since the last notification and resets the pending changes to None.
(Inherited from OpcNode)
AttributeValue(OpcAttribute) Retrieves the value of the attribute specified.
(Inherited from OpcNode)
AttributeValue``1(OpcAttribute) Retrieves the value of the attribute specified.
(Inherited from OpcNode)
Child(OpcContext, OpcName) Retrieves the child node its Name property matches exactly the name specified.
(Inherited from OpcNode)
Children(OpcContext) Retrieves a sequence of all nodes organized as children of this node.
(Inherited from OpcNode)
Confirm(OpcContext) Confirms the state reported by an event notification which can be identified by the EventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
Confirm(OpcContext, Byte, OpcText) Confirms the state reported by an event notification which can be identified by the eventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
Confirm(OpcContext, OpcText) Confirms the state reported by an event notification which can be identified by the EventId using the specified context.
(Inherited from OpcAcknowledgeableConditionNode)
ConfirmCore(OpcNodeContext, Byte, OpcText) Confirms the state of the condition node.
(Inherited from OpcAcknowledgeableConditionNode)
CreateBranch(OpcContext) Creates a new instance of the OpcConditionNode class which can be used to maintain branched event information.
(Inherited from OpcConditionNode)
CreateBranch(OpcContext, OpcNodeId) Creates a new instance of the OpcConditionNode class using the branchId specified to maintain branched event information.
(Inherited from OpcConditionNode)
CreateBranchCore Creates a new instance of the OpcOffNormalAlarmNode using the same Id and Name as this node.
CreateBranchCore Creates a new instance of the OpcConditionNode using the same Id and Name as this node.
(Inherited from OpcConditionNode)
CreateBranchCore Creates a new instance of the OpcAcknowledgeableConditionNode using the same Id and Name as this node.
(Inherited from OpcAcknowledgeableConditionNode)
CreateBranchCore Creates a new instance of the OpcAlarmConditionNode using the same Id and Name as this node.
(Inherited from OpcAlarmConditionNode)
CreateBranchCore Creates a new instance of the OpcDiscreteAlarmNode using the same Id and Name as this node.
(Inherited from OpcDiscreteAlarmNode)
CreateEvent(OpcContext) Creates a new instance of the OpcEvent class which represents a snapshot of this OpcEventNode.
(Inherited from OpcEventNode)
CreateEventCore(OpcContext, OpcEventNodeSnapshot) Creates a new instance of the OpcEvent class representing the specified snapshot of this OpcEventNode.
(Inherited from OpcEventNode)
Disable(OpcContext) Changes the condition state to 'Disabled' using the specified context.
(Inherited from OpcConditionNode)
DisableCore(OpcNodeContext) Disables the condition node.
(Inherited from OpcConditionNode)
Enable(OpcContext) Changes the condition state to 'Enabled' using the specified context.
(Inherited from OpcConditionNode)
EnableCore(OpcNodeContext) Enables the condition node.
(Inherited from OpcConditionNode)
InitializeDefaults Initializes the default values used by the node implementation represented / required.
(Inherited from OpcNode)
InitializeDefaults Initializes the default values used by the OpcInstanceNode.
(Inherited from OpcInstanceNode)
InitializeDefaults Initializes the default values used by the OpcEventNode.
(Inherited from OpcEventNode)
InitializeDefaults Initializes the default values used by the OpcConditionNode.
(Inherited from OpcConditionNode)
IsChangePending(OpcNodeChanges) (Inherited from OpcNode)
OnAfterApplyChanges(OpcNodeChangesEventArgs) Raises the AfterApplyChanges event using the event data specified.
(Inherited from OpcNode)
OnBeforeApplyChanges(OpcNodeChangesEventArgs) Raises the BeforeApplyChanges event using the event data specified.
(Inherited from OpcNode)
OneShotShelveCore(OpcNodeContext) Shelves a condition node once using the context specified.
(Inherited from OpcAlarmConditionNode)
QueryEventsCore(OpcNodeContext, OpcEventCollection) (Inherited from OpcNode)
ReadAttributeValueCore``1(OpcReadAttributeValueContext, OpcAttributeValue) (Inherited from OpcNode)
RemoveChild(OpcContext, OpcInstanceNode) (Inherited from OpcInstanceNode)
RemoveNotifier(OpcContext, IOpcNode) (Inherited from OpcNode)
RemoveNotifier(OpcContext, IOpcNode) (Inherited from OpcInstanceNode)
RemoveNotifier(OpcContext, IOpcNode) (Inherited from OpcObjectNode)
ReportEvent(OpcContext) Produces an event using the data represented by this OpcEventNode.
(Inherited from OpcEventNode)
ReportEvent(OpcContext, OpcEvent) (Inherited from OpcNode)
ReportEventFrom(OpcContext, IOpcNode) Produces an event using the data represented by this OpcEventNode using the source as initiator of the event reported.
(Inherited from OpcEventNode)
TimedShelveCore(OpcNodeContext, TimeSpan) Shelves a condition node using the context and duration information specified.
(Inherited from OpcAlarmConditionNode)
TimedUnshelveCore(OpcNodeContext) Unshelves a condition node using the context specified after being shelved for a specific amount of time.
(Inherited from OpcAlarmConditionNode)
UnshelveCore(OpcNodeContext) Unshelves a condition node using the context specified.
(Inherited from OpcAlarmConditionNode)
UpdateChanges(OpcContext, OpcNodeChanges) Notifies about the changes on behalf of the node and removes pending changes which intersect with the changes specified.
(Inherited from OpcNode)
UpdateChanges(OpcContext, OpcNodeChanges, Boolean) Notifies about the changes on behalf of the node (and optionally on its children) and removes pending changes which intersect with the changes specified.
(Inherited from OpcNode)
WriteAttributeValueCore``1(OpcWriteAttributeValueContext, OpcAttributeValue) (Inherited from OpcNode)