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Interface UATwoStateDiscrete

Hierarchy

Index

Properties

accessLevel

accessLevel: number

addressSpace

addressSpace: AddressSpace

arrayDimensions

arrayDimensions: number[]

browseName

browseName: QualifiedName

dataType

dataType: NodeId

dataTypeObj

dataTypeObj: UADataType

description

description: LocalizedText

displayName

displayName: LocalizedText[]

historizing

historizing: boolean

minimumSamplingInterval

minimumSamplingInterval: number

Optional modellingRule

modellingRule: ModellingRuleType

namespace

namespace: Namespace

namespaceIndex

namespaceIndex: number

namespaceUri

namespaceUri: string

nodeClass

nodeClass: Variable

nodeId

nodeId: NodeId

parent

parent: BaseNode | null

Optional parentNodeId

parentNodeId: NodeId

semantic_version

semantic_version: number

typeDefinition

typeDefinition: NodeId

typeDefinitionObj

typeDefinitionObj: UAVariableType

userAccessLevel

userAccessLevel: number

valueRank

valueRank: number

Static defaultMaxListeners

defaultMaxListeners: number

Methods

addListener

  • addListener(event: string | symbol, listener: function): this
  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

addReference

allReferences

  • allReferences(): Reference[]

asyncRefresh

bindExtensionObject

  • bindExtensionObject(optionalExtensionObject?: ExtensionObject): ExtensionObject | null

bindVariable

browseNode

  • browseNode(browseDescription: BrowseDescriptionOptions, session?: SessionContext): ReferenceDescription[]

clone

  • clone(options?: any, optionalFilter?: any, extraInfo?: any): UAVariable

emit

  • emit(event: string | symbol, ...args: any[]): boolean
  • Parameters

    • event: string | symbol
    • Rest ...args: any[]

    Returns boolean

eventNames

  • eventNames(): Array<string | symbol>
  • Returns Array<string | symbol>

findReference

  • findReference(strReference: string, isForward?: boolean): UAReference | null

findReferences

findReferencesAsObject

  • findReferencesAsObject(strReference: string, isForward: boolean): BaseNode[]

findReferencesEx

  • findReferencesEx(strReference: string, browseDirection?: BrowseDirection): UAReference[]

findReferencesExAsObject

  • findReferencesExAsObject(strReference: string, browseDirection?: BrowseDirection): BaseNode[]

fullName

  • fullName(): string

getAggregates

getChildByName

  • getChildByName(browseName: string | QualifiedName): BaseNode | null

getComponentByName

getComponents

getEventSourceOfs

getEventSources

getMaxListeners

  • getMaxListeners(): number
  • Returns number

getNotifiers

getProperties

getPropertyByName

  • getPropertyByName(browseName: string, namespaceIndex?: number): UAVariable | null

historyRead

install_extra_properties

  • install_extra_properties(): void

isReadable

isUserReadable

isUserWritable

isWritable

listenerCount

  • listenerCount(type: string | symbol): number
  • Parameters

    • type: string | symbol

    Returns number

listeners

  • listeners(event: string | symbol): Function[]
  • Parameters

    • event: string | symbol

    Returns Function[]

off

  • off(event: string | symbol, listener: function): this
  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

on

  • on(eventName: "semantic_changed", eventHandler: function): this
  • on(eventName: "value_changed", eventHandler: function): this

once

  • once(eventName: "semantic_changed", eventHandler: function): this
  • once(eventName: "value_changed", eventHandler: function): this

prependListener

  • prependListener(event: string | symbol, listener: function): this
  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

prependOnceListener

  • prependOnceListener(event: string | symbol, listener: function): this
  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

propagate_back_references

  • propagate_back_references(): void

rawListeners

  • rawListeners(event: string | symbol): Function[]
  • Parameters

    • event: string | symbol

    Returns Function[]

readAttribute

readEnumValue

readValue

  • from OPC.UA.Spec 1.02 part 4 5.10.2.4 StatusCodes Table 51 defines values for the operation level statusCode contained in the DataValue structure of each values element. Common StatusCodes are defined in Table 166.

    Table 51 Read Operation Level Result Codes

    Symbolic Id Description

    BadNodeIdInvalid The syntax of the node id is not valid. BadNodeIdUnknown The node id refers to a node that does not exist in the server address space. BadAttributeIdInvalid BadAttributeIdInvalid The attribute is not supported for the specified node. BadIndexRangeInvalid The syntax of the index range parameter is invalid. BadIndexRangeNoData No data exists within the range of indexes specified. BadDataEncodingInvalid The data encoding is invalid. This result is used if no dataEncoding can be applied because an Attribute other than Value was requested or the DataType of the Value Attribute is not a subtype of the Structure DataType. BadDataEncodingUnsupported The server does not support the requested data encoding for the node. This result is used if a dataEncoding can be applied but the passed data encoding is not known to the Server. BadNotReadable The access level does not allow reading or subscribing to the Node. BadUserAccessDenied User does not have permission to perform the requested operation. (table 165)

    Parameters

    Returns DataValue

readValueAsync

removeAllListeners

  • removeAllListeners(event?: string | symbol): this
  • Parameters

    • Optional event: string | symbol

    Returns this

removeListener

  • removeListener(event: string | symbol, listener: function): this
  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void
        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

removeReference

setMaxListeners

  • setMaxListeners(n: number): this
  • Parameters

    • n: number

    Returns this

setPermissions

setValueFromSource

  • setValueFromSource(value: VariantLike, statusCode?: StatusCode, sourceTimestamp?: Date): void

touchValue

  • touchValue(updateNow?: PreciseClock): void

writeAttribute

writeEnumValue

  • writeEnumValue(value: string | number): void

writeValue

Static listenerCount

  • listenerCount(emitter: EventEmitter, event: string | symbol): number
  • deprecated

    since v4.0.0

    Parameters

    • emitter: EventEmitter
    • event: string | symbol

    Returns number

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