The NodeOPCUA API The NodeOPCUA API

  • API Docs for Version: 0.4.5

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    UAMultiStateDiscreteType Class

    Defined in: packages\node-opcua-address-space\src\data_access\address_space_add_MultiStateDiscrete.js:17
    Module: opcua.address_space.AlarmsAndConditions

    Constructor

    Methods

    add_dataItem_stuff

    (
    • variable
    • options
    )
    private

    Defined in packages\node-opcua-address-space\src\data_access\UADataItem.js:41

    Parameters:

    • variable Object
    • options Object
      • definition

        [Optional]

      • valuePrecision

        [Optional]

      • modellingRule

        [Optional]

    addAnalogDataItem AnalogDataItem DataItems that represent continuously-variable physical quantities ( e.g., length, temperature) , in contrast to the digital representation of data in discrete items NOTE Typical examples are the values provided by temperature sensors or pressure sensors. OPC UA defines a specific UAVariableType to identify an AnalogItem. Properties describe the possible ranges of AnalogItems.

    (
    • options
    )
    UAVariable

    Defined in packages\node-opcua-address-space\src\data_access\address_space_add_AnalogItem.js:56

    Parameters:

    • options Object
      • browseName String
      • definition String
      • [valuePrecision=null] Double | Null optional
      • instrumentRange
        • low Double
        • high Double
      • engineeringUnitsRange.low Double
      • engineeringUnitsRange.high Double
      • engineeringUnits String
      • dataType NodeId

        // todo :check

      • [accessLevel= "CurrentRead | CurrentWrite"] AccessLevelFlag optional
      • [userAccessLevel= "CurrentRead | CurrentWrite"] AccessLevelFlag optional
      • value
      • [modellingRule] optional

    Returns:

    UAVariable:

    Example:

    :

    namespace.add_analog_dataItem({ componentOf: parentObject, browseName: "TemperatureSensor", definition: "(tempA -25) + tempB", valuePrecision: 0.5, //- instrumentRange: { low: 100 , high: 200}, // optional engineeringUnitsRange: { low: 100 , high: 200}, // mandatory engineeringUnits: standardUnits.degree_celsius,, // optional // access level accessLevel: 1 minimumSamplingInterval: 10, });

    addDataItem

    (
    • options
    )
    UAVariable

    Defined in packages\node-opcua-address-space\src\data_access\address_space_add_AnalogItem.js:24

    Parameters:

    • options Object
      • browseName String
      • definition String
      • [valuePrecision=null] Double | Null optional
      • dataType NodeId

        // todo :check

      • value
      • componentOf

    Returns:

    UAVariable:

    addMultiStateDiscrete

    (
    • options
    )
    Object | UAVariable

    Defined in packages\node-opcua-address-space\src\data_access\address_space_add_MultiStateDiscrete.js:63

    Parameters:

    • options Object
      • browseName String
      • [nodeId] NodeId optional
      • [value= 0] UInt32 optional
      • enumStrings String

        an array containing the String associated with each enumeration value, starting from 0 onward

    Returns:

    Object | UAVariable: