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Scope: Core (OPC-10000-*) All specs

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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

4.9.3 Evaluating Permissions with Roles

also make use of the Nodes defined in Table 4 . The table specifies the value of the RolePermissions Attribute for each Node . Table 4 - Example Nodes Node Role Permissions Unit1.Measurement ... Node . Allowed because AuthenticatedUser is granted Browse Permission. User 'Sam' using OperatorStation2 application reads Value of Unit1.Measurement Node . Access denied because AuthenticatedUser is not granted Read Permission . User 'Joe' using
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.2 Variable NodeClass

Type Description Attributes Base NodeClass Attributes M -- Inherited from the Base NodeClass . See 5.2 . Value M Defined by the DataType Attribute The most recent value of the Variable that ... have a data type associated with it. This allows all Variables to have a value defined by the same Value Attribute . DataType M NodeId NodeId of the DataType definition
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.4 DataVariable

DataVariable . The Property LocalTime indicates the difference between the SourceTimestamp of the value and the standard time at the location in which the value was obtained. The Property AllowNulls indicates ... null values are allowed for the Value Attribute . The Property ValueAsText provides a localized text representation for enumeration values. The Property MaxStringLength indicates the maximum number of bytes
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.5 VariableType NodeClass

Type Description Attributes Base NodeClass Attributes M -- Inherited from the Base NodeClass . See 5.2 Value O Defined by the DataType attribute The default Value for instances of this type. DataType ... defined in Clause 7.23 8 . ValueRank M Int32 This Attribute indicates whether the Value Attribute of the VariableType is an array and how many dimensions the array
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.1 DataType Model

structured data types. Data types are used to describe the structure of the Value Attribute of Variables and their VariableTypes . Therefore each Variable and VariableType is pointing with its DataType
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.2 Encoding Rules for different kinds of DataTypes

DataType Attribute of a Variable or VariableType to identify the Simple DataType of the Value Attribute . An example of a Simple DataType is Duration . It is handled on the wire ... Double but the Client can read the DataType Attribute and thus interpret the value as defined by Duration (see 8.13 ). Structured DataTypes are DataTypes that represent structured data
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.8.6.1 Overview

Overview When a Variable or VariableType is defined, the DataType of the Value is defined by the DataType , ValueRank and ArrayDimensions Attributes . In general, it is always allowed ... Value to use a subtype of the DataType unless restricted in the NoSubDataTypes bit of the AccessLevelEx Attribute. In fields of a structure, using subtypes is allowed when IsOptional
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

6.2.8 Attribute Handling of Variable and VariableTypes

Variable used as an InstanceDeclaration with regard to the data type of the Value Attribute . When a Variable used as InstanceDeclaration or a VariableType is overridden or instantiated the following ... ValueRank Attribute may only be further restricted 'Any' may be set to any other value; 'ScalarOrOneDimension' may be set to 'Scalar' or 'OneDimension'; 'OneOrMoreDimensions' may be set to a concrete
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.22.1 Overview

ReferenceType shall be a VariableType or a Variable having a Structure DataType . When the Value of the SourceNode is a scalar then the TargetNode shall be a Variable which represents ... shall be the same DataType and ValueRank as the field in the Structure . The Value is expected to represent the value of the Structure's field. When the Value
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.51 StructureField

DataType . OPC 10000-6 provides more details of specific encodings. ValueRank Int32 The value rank for the field. It shall be Scalar (-1) or a fixed rank Array ... specifies the maximum supported length of each dimension. If the maximum is unknown the value shall be 0. The number of elements shall be equal to the value
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.52 EnumField

derived from the DataType EnumValueType . If used for an OptionSet DataType, the corresponding Value in the base type contains the number of the bit associated with the field. The EnumField
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.55 PermissionType

This implies that the Client is able to Read to Attributes other than the Value or the RolePermissions Attribute . This Permission is valid for all NodeClasses . ReadRolePermissions 1 The Client ... NodeClasses . WriteAttribute 2 The Client is allowed to write to Attributes other than the Value , Historizing or RolePermissions Attribute if the WriteMask indicates that the Attribute is writeable. This
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.57 AccessLevelType

Byte DataType with the OptionSetValues Property defined. It is used to indicate how the Value of a Variable can be accessed (read/write) and if it contains current and/or historic data ... Table 40 - AccessLevelType Definition Name Bit Description CurrentRead 0 Indicates if the current value is readable. It also indicates if the current value of the Variable is available. (0 means
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.58 AccessLevelExType

UInt32 DataType with the OptionSetValues Property defined. It is used to indicate how the Value of a Variable can be accessed (read/write), if it contains current and/or historic data ... Variable . This Field is used to indicate a Server shall ensure the Value of the Variable is persisted over a restart. The Constant Field represents the changeability of the Variable
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.60 AttributeWriteMask

WriteMask 20 Indicates if the WriteMask Attribute is writeable. ValueForVariableType 21 Indicates if the Value Attribute is writeable for a VariableType . It does not apply for Variables since this
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

9.33.1 General

change of the AddressSpace semantics. The change consists of a change to the Value Attribute of a Property . The SemanticChangeEvent contains information about the Node owning the Property that ... AccessLevel Attribute of a Property indicates whether changes of the Property value are considered for SemanticChangeEvents
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

C.2.3 Extended notation

text line shall contain the Attribute name followed by an "=" and the value of the Attribute . On top of the first text line containing an Attribute shall ... Property , starting with the BrowseName of the Property followed by "=" and the value of the Value Attribute of the Property . Figure C.4 shows some examples exposing Properties inline
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.9.4.1 Description

graphical element programmed against the "Boiler" may need to display the Value of the "HeatSensor". If the graphical element would be called on "Boiler1 ... HeatSensor" of "Boiler1" and the graphical element could subscribe to its Value Attribute . If a Node has multiple targets with the same BrowseName , the Server shall return
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.9.5.1 Description

vendor-specific. For Variable Nodes Servers shall concentrate their optimization efforts on the Value Attribute . Registered NodeIds are only guaranteed to be valid within the current Session . Clients shall unregister ... registered NodeIds but only the canonical NodeId s which is the value of the NodeId Attribute
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.2.2 Parameters

Common request parameters (see 7.32 for RequestHeader definition). maxAge Duration Maximum age of the value to be read in milliseconds. The age of the value is based on the difference ... milliseconds until the Server starts processing the request, the age of the returned value could be 600 milliseconds prior to the time it was requested. If the Server
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.3.2 Parameters

Return An enumeration that specifies the timestamps to be returned for each requested Variable Value Attribute . The TimestampsToReturn enumeration is defined in 7.39 . Specifying a TimestampsToReturn of NEITHER ... ATTIME: The nodeId of the Nodes whose historical values are to be read. The value returned shall always include a timestamp. If the HistoryReadDetails is EVENTS: The NodeId
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.4.1 Description

Service does not return until it writes the values or determines that the value cannot be written. In certain cases, the Server will successfully write to an intermediate system ... syntactically invalid or not supported, the Server returns Bad_LocaleNotSupported. The Write behaviour for Value Attributes with a LocalizedText DataType is Server specific but it is recommended to follow
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.4.2 Parameters

indexRange is provided and writing of indexRange is not possible for the Node . value DataValue The Node 's Attribute value (see 7.11 for DataValue definition). If the indexRange parameter ... specified then the Value shall be an array even if only one element is being written. If the SourceTimestamp or the ServerTimestamp is specified, the Server shall use these values
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.13.1.1 Overview

parameter. Figure 15 illustrates these concepts. Figure 15 - MonitoredItem model Attributes , other than the Value Attribute , are only monitored for a change in value. The filter is not used ... these Attributes . Any change in value for these Attributes causes a Notification to be generated. The Value Attribute is used when monitoring Variables . Variable values are monitored for a change
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.13.1.2 Sampling interval

MinimumSamplingInterval Attribute defined in OPC 10000-3 . If the Server specifies a value for the MinimumSamplingInterval Attribute it shall always return a revisedSamplingInterval that is equal or higher than ... MinimumSamplingInterval if the Client subscribes to the Value Attribute . Clients should also be aware that the sampling by the OPC UA Server and the update cycle of the underlying system
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.11.3 SourceTimestamp

sourceTimestamp is used to reflect the timestamp that was applied to a Variable value by the data source. Once a value has been assigned a source timestamp, the source timestamp ... that value instance never changes. In this context, "value instance" refers to the value received, independent of its actual value. The sourceTimestamp shall be UTC time and should
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.22.3 EventFilter

Client to specify any Attribute ; however, the Server is only required to support the Value Attribute for Variable Nodes and the NodeId Attribute for Object Nodes . That said, profiles defined ... additional Attributes mandatory. The SimpleAttributeOperand structure is used in the selectClauses to select the value to return if an Event meets the criteria specified by the whereClause . A null value
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.24.10 GenericAttributes parameter

description of this Attribute . attributeValues GenericAttributeValue [] Defines one attributeId and value combination. attributeId IntegerId Id of the Attribute specified. AttributeIds shall be unique in the list and shall not repeat ... common Attributes in the structure. value BaseDataType Value of the Attribute specified
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

B.1.1 Overview

AttributeOperand: Refers to a Node, an Attribute of a Node or the Value Attribute of a Property associated with a Node . In the examples, the character names of NodeIds ... could just as easily have been 4 or 23 or any value). For more information about NamespaceIndex, see OPC 10000-3 . The use of the NamespaceIndex illustrates that the information
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

B.3.1 Overview

AttributeOperand: Refers to a Node , an Attribute of a Node or the Value Attribute of a Property associated with a Node . In the examples character names of ExpandedNodeId are used ... could just as easily have been 4 or 23 or any value). For more information about NamespaceIndex , see OPC 10000-3 . The use of the NamespaceIndex illustrates that the information
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

B.3.2 Used type model

custom ReferenceTypes are listed as a named Reference . For Properties , the BrowseName , NodeId , and Value are shown. The Nodes that are included in a View (View1) are enclosed
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.12 AddressSpaceFileType

using the XML schema defined in OPC 10000-6 . Table 21 - AddressSpaceFileType definition Attribute Value BrowseName AddressSpaceFileType IsAbstract False References NodeClass BrowseName DataType TypeDefinition Modelling Rule Subtype of the FileType ... namespace from the Server AddressSpace to the XML file represented by the AddressSpaceFileType . Value Attributes are only exported if they represent static configuration information. The client is expected to call
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

7.27 FrameType

frame. The VariableType is formally defined in Table 97 . Table 97 - FrameType Definition Attribute Value BrowseName FrameType IsAbstract True ValueRank Scalar DataType Frame References NodeClass BrowseName DataType TypeDefinition Modelling Rule ... fields itself, but subtypes shall create those fields. Constant is True when the Value of the frame never changes. If the Value may change it is False . BaseFrame
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

A.7 Redundant information

redundant information, because the information is directly provided in the complex DataType of the Value Attribute of the complex Variable , and also exposed individually in the components of the complex
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.1.10 Decimal

high-precision signed decimal number. It consists of an arbitrary precision integer unscaled value and an integer scale. The scale is the inverse power of ten that is applied ... unscaled value. A Decimal has the fields described in Table 3 . Table 3 - Layout of Decimal Field Type Description TypeId NodeId The identifier for the Decimal DataType . Encoding Byte This
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.2.16 Variant

Data Type Description EncodingMask Byte The type of data encoded in the stream. A value of 0 specifies a NULL and that no other fields are encoded. The mask ... used in the future. Decoders shall accept these IDs, assume the Value contains a ByteString or an array of ByteStrings and pass both onto the application. Encoders shall
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.5 Arrays

sequence of elements preceded by the number of elements encoded as an Int32 value. Multi-dimensional Arrays have an encoding that depends on where they are used. When a multi ... dimensional Array is the Value of an Attribute it uses the Variant encoding described in 5.2.2.16 . When a multi-dimensional Array is a field of a Structure
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.6 Structures

fields exist in the Structure , then see 5.2.7 . Structures do not have a null value. If an encoder is written in a programming language that allows structures to have null ... explicitly defined in Type1 . Table 29 - Sample OPC UA Binary Encoded structure Field Bytes Value Type Id 4 The identifier for the 'Type1' Binary Encoding Node Encoding
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.7 Structures with optional fields

ExtensionObject . Table 32 - Sample OPC UA Binary Encoded Structure with optional fields Field Bytes Value Type Id 4 The identifier for the TypeA Binary Encoding Node Encoding ... ByteString Length 4 13 EncodingMask 4 0x02 for O2 X 4 The value of X Y 1 The value of Y O2 4 The value of O2 If a Structure
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.8 Unions

switch field is 0 then no field is present. For any value greater than the number of defined union fields the encoders or decoders shall report an error. A Union ... with no fields present has the same meaning as a NULL value. A Union with any field present is not a NULL value even if the value of the field
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.3.2 Decimal

Decimal A Decimal Value is a encoded as an xs:complexType with the following XML schema: <xs:complexType name="Decimal"> <xs:sequence ... Scale" type="xs:short" /> <xs:element name="Value" type="xs:string" /> </xs:sequence> </xs:complexType
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.4.2.18 DataValue

DataValue Name Data Type Description UaType Byte See the UaType field in the Variant . Value * See the Value field in the Variant . Dimensions UInt32 See the Dimensions field ... Variant . Status StatusCode The status associated with the value. Not encoded if the value is Good (0). SourceTimestamp DateTime The source timestamp associated with the value. Not encoded
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.4.3 Decimal

Decimal Name Description Scale A JSON number with the scale applied to the Value. Value A JSON string with the Value encoded as a base-10 signed integer ... Integer values described in 5.3.1.3 . See 5.1.10 for a description of the Scale and Value fields. When encoding in a Variant , a Decimal value shall be encoded as an ExtensionObject
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

F.8 UAVariable

Element Type Description All of the fields from the UAInstance type described in F.7 . Value Variant The Value of the Node encoding using the UA XML wire encoding defined ... Value is not provided and a UANodeSet is used to initialize a Server AddressSpace then the Server shall report a StatusCode of Bad_NoValue or choose a default Value consistent
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

F.10 TranslationType

F.10 TranslationType A TranslationType contains additional translations for LocalizedTexts used in the Value of a Variable . The fields in the TranslationType are defined in Table F.10 . If multiple Arguments existed ... element for each Argument . The type can have two forms depending on whether the Value is a LocalizedText or a Structure containing LocalizedTexts . If it is a LocalizedText is contains
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

H.10 Unions

Table H.8 for the ReversibleEncoding . Note that JSON objects are unordered sets of name-value pairs. The order specified by the DataTypeDefinition is not preserved when a Union is serialized ... valid values for this field follow the conventions defined in 5.2.8 . If the SwitchField value is its DefaultValue of 0, then the SwitchField and the Value field are not present
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.1 DataItemType

formally defined in Table 1 . Table 1 - DataItemType definition Attribute Value BrowseName DataItemType IsAbstract False ValueRank -2 (-2 = 'Any') DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype ... Access DataItems Definition is a vendor-specific, human readable string that specifies how the value of this DataItem is calculated. Definition is non-localized and will often contain an equation
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.2.2 BaseAnalogType

DataItemType . It is formally defined in Table 2 . Table 2 - BaseAnalogType definition Attribute Value BrowseName BaseAnalogType IsAbstract False ValueRank -2 (-2 = 'Any') DataType Number References NodeClass BrowseName DataType TypeDefinition ModellingRule ... following paragraphs describe the Properties of this VariableType . If the analog item's Value contains an array, the Properties shall apply to all elements in the array. InstrumentRange defines
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.3.4 MultiStateValueDiscreteType

DiscreteItemType . It is formally defined in Table 11 . Table 11 - MultiStateValueDiscreteType definition Attribute Value BrowseName MultiStateValueDiscreteType IsAbstract False ValueRank -2 (-2 = 'Any') DataType Number References NodeClass BrowseName DataType TypeDefinition ModellingRule ... EnumValues is an array of EnumValueType . Each entry of the array represents one enumeration value with its integer notation, a human-readable representation, and help information. This represents enumerations with
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.4.1 General

used. The ArrayItemType is formally defined in Table 12 . Table 12 - ArrayItemType definition Attribute Value BrowseName ArrayItemType IsAbstract True ValueRank 0 (0 = OneOrMoreDimensions) DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ... AxisScaleEnumeration PropertyType Mandatory Conformance Units Data Access ArrayItem2Type InstrumentRange defines the range of the Value of the ArrayItem. EURange defines the value range of the ArrayItem likely to be obtained
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.4.2 YArrayItemType

constant. YArrayItemType is formally defined in Table 13 . Table 13 - YArrayItemType definition Attribute Value BrowseName YArrayItemType IsAbstract False ValueRank 1 DataType BaseDataType ArrayDimensions {0} (0 = UnknownSize) References NodeClass BrowseName DataType ... HasProperty Variable XAxisDefinition AxisInformation PropertyType Mandatory Conformance Units Data Access YArrayItemType The Value of the YArrayItem contains the numerical values for the Y-Axis. Engineering Units and Range
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.4.3 XYArrayItemType

intensity. XYArrayItemType is formally defined in Table 15 . Table 15 - XYArrayItemType definition Attribute Value BrowseName XYArrayItemType IsAbstract False ValueRank 1 DataType XVType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype ... HasProperty Variable XAxisDefinition AxisInformation PropertyType Mandatory Conformance Units Data Access XYArrayItemType The Value of the X YArrayItem contains an array of structures (XVType) where each structure specifies the position
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.4.4 ImageItemType

position is given by X which is the column and Y the row. The value is the pixel intensity. ImageItemType is formally defined in Table 16 . Table 16 - ImageItemType definition ... Attribute Value BrowseName ImageItemType IsAbstract False ValueRank 2 (2 = two dimensional array) DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the ArrayItemType defined in 5.3.4.1 HasProperty Variable XAxisDefinition
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.4.5 CubeItemType

depth. In the example of a spatial partical distribution, the value is the particle size. CubeItemType is formally defined in Table 17 . Table 17 - CubeItemType definition Attribute Value BrowseName CubeItemType ... AxisInformation PropertyType Mandatory Conformance Units Data Access CubeItemType Engineering units and range for the Value are defined by corresponding Properties inherited from the ArrayItemType . The DataType of this VariableType
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.5 Attributes of DataItems

Variable s (specified in detail in OPC 10000-3 ) are particularly important for DataItems : Value DataType AccessLevel MinimumSamplingInterval Value is the most recent value of the Variable that the Server ... data and MinimumSamplingInterval defines how current the data is. When a client requests the Value Attribute for reading or monitoring, the Server will always return a StatusCode (the quality
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

A.4.2.3 Variable Nodes

references: Standard Properties: Item Canonical Data Type (Property ID: 1): The combined value of the DataType attribute and the ValueRank attribute of the node in the OPC UA Server ... assigned to this property (see A.4.3.2 ). Item Value (Property ID: 2): The value of the Value attribute of the node in the OPC UA Server is assigned to this property
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.2 Two-state state machines

formally defined in Table 1 . Table 1 - TwoStateVariableType definition Attribute Value BrowseName TwoStateVariableType DataType LocalizedText ValueRank -1 (-1 = Scalar) IsAbstract False References NodeClass BrowseName DataType TypeDefinition Modelling Rule Subtype ... PropertyType Optional HasProperty Variable FalseState LocalizedText PropertyType Optional ConformanceUnits A & C Basic The Value Attribute of an instance of TwoStateVariableType contains the current state as a human readable name
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.3 ConditionVariable

Condition are not considered to be states. However, a change in their value is considered important and supposed to trigger an Event Notification . These information elements are called ConditionVariable . ConditionVariables ... represented by a ConditionVariableType, formally defined in Table 2 . Table 2 - ConditionVariableType definition Attribute Value BrowseName ConditionVariableType DataType BaseDataType ValueRank -2 (-2 = Any) IsAbstract False References NodeClass BrowseName DataType TypeDefinition
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.5.2 ConditionType

shall not be extended with a sub state machine. Table 8 - ConditionType definition Attribute Value BrowseName ConditionType IsAbstract True References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the BaseEventType defined ... separate node. For example, a motor, which is a Variable with a Value that is an RPM, may be the ConditionSource for Conditions that are related to the motor
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.2 AlarmConditionType

Table 40 and Table 41 . Figure 15 - Alarm Model Table 40 - AlarmConditionType definition Attribute Value BrowseName AlarmConditionType IsAbstract False References Node Class BrowseName DataType TypeDefinition Modelling Rule Subtype ... shall recover the ActiveState. The InputNode Property provides the NodeId of the Variable the Value of which is used as primary input in the calculation of the Alarm state
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.17.1 Overview

Expired" transition is simply a system generated transition that occurs when the time value defined as part of the "Timed Shelved Call" has expired ... formally defined in Table 73 . Figure 17 - ShelvedStateMachineType model Table 73 - ShelvedStateMachineType definition Attribute Value BrowseName ShelvedStateMachineType IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the FiniteStateMachineType defined
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

4.2 Data architecture

Historical data including a timestamp. All historical data should include status information for each value, but a Historian can compress this to only storing status information that indicates a problem ... timeseries raw data match the data that would have been observed if the Value was subscribed to at that point in time. Historical Events are more complicated. In a stream
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.2.2 HistoricalDataConfigurationType

HistoricalDataConfigurationType use the standard BrowseName as defined in 5.2.4 . Table 3 - HistoricalDataConfigurationType definition Attribute Value BrowseName HistoricalDataConfigurationType IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule HasComponent Object AggregateConfiguration -- AggregateConfigurationType Mandatory ... when RawData is examined. This Property also effects how some Aggregates are calculated. A value of True indicates the stepped interpolation mode. A value of False indicates SlopedInterpolation mode
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

6.2.2 Operation level result codes

Historical Access the StatusCode is used to indicate the conditions under which a Value or Event was stored, and thereby can be used as an indicator of its usability ... call result code needs to be conveyed to the Client , for example, whether the value is actually stored in the data repository, whether the result was Interpolated , whether all data
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.2 PubSub configuration properties

QualifiedName is the property key from Table 4 . The DataType of the Value in the KeyValuePair shall be the DataType defined in Table 4 . Table 4 formally defines the general ... component configuration is persisted. If this property is not present the default value is false and the component configuration is persisted. 0:ErrorDelay Duration A time delay in milliseconds from
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.3.2.4 FieldMetaData

shall be unique in the DataSet . Description LocalizedText Description of the field. The default value shall be a null or empty LocalizedText . FieldFlags DataSetFieldFlags Flags for the field. BuiltInType Byte ... specifies the maximum supported length of each dimension. If the maximum is unknown the value shall be 0. The number of elements shall be equal to the value
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.3.7.1 PublishedData

Subscribers and for configuration tools. It is used as a handle to reference the Value in DataSetMessages received by Subscribers . The index may change after configuration changes. Changes are indicated ... provided for the DataSet . AttributeId IntegerId Id of the Attribute to publish e.g. the Value Attribute . This shall be a valid Attribute id. The Attributes are defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.7.4 ConnectionProperties

type is defined in OPC 10000-5 and consists of a QualifiedName and a value of BaseDataType . The mapping of the namespace, name, and value to concrete functionality ... QualifiedName is the property name from Table 47 . The DataType of the Value in the KeyValuePair shall be the DataType defined in Table 47 . Table 47 formally defines the ConnectionProperties
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.11.1 Published data items

influence the information flow from Publisher to Subscriber in the case of a Bad Value Status or other error situations. Figure 25 depicts the parameters and the information flow inside ... together with the DataSetFieldContentMask . Figure 25 - PubSub information flow The mapping of source value and status to the DataSet in the Publisher depends on the substitute value. The dependencies
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.2.4.3 Connection Properties

PubSub Connection. This is configured via the ConnectionProperties of the PubSubConnectionDataType structure. A default value is configured in the ConfigurationProperties of the PubSubConfiguration . The properties are defined through the KeyValuePair ... QualifiedName is the property key from Table 202 . The DataType of the Value in the KeyValuePair shall be the DataType defined in Table 202 . Table 202 formally defines the DTLS
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.2 PublishSubscribeType

ObjectType is formally defined in Table 232 . Table 232 - PublishSubscribeType definition Attribute Value BrowseName PublishSubscribeType IsAbstract False References Node Class BrowseName DataType TypeDefinition Modelling Rule Subtype of PubSubKeyServiceType defined ... configuration change. The DefaultSecurityKeyServices provide the default SecurityKeyServices used for the PubSub configuration. The value is used as default if not overwritten in the groups or DataSetReaders . The general definition
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.4.2.1 PublishedDataSetType

DataSets . The PublishedDataSetType is formally defined in Table 247 . Table 247 - PublishedDataSetType definition Attribute Value BrowseName PublishedDataSetType IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of BaseObjectType defined ... version are defined in the concrete types derived from this base type. The Property value shall match the ConfigurationVersion in the DataSetMetaData Property. The ConfigurationVersionDataType and the rules for setting
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.4.3.1 PublishedDataItemsType

more DataSetWriters . The PublishedDataItemsType is formally defined Table 253 . Table 253 - PublishedDataItemsType definition Attribute Value BrowseName PublishedDataItemsType IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of PublishedDataSetType defined ... array can be changed by writing the new settings to the Variable Value . A new Value shall be rejected with Bad_OutOfRange if the array size would be changed. Entries
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.11.5 PubSubDiagnosticsCounterType

PubSubDiagnosticsCounterType The PubSubDiagnosticsCounterType is formally defined in Table 314 . Table 314 - PubSubDiagnosticsCounterType Attribute Value BrowseName PubSubDiagnosticsCounterType IsAbstract False ValueRank -1 (-1 = 'Scalar') DataType UInt32 References NodeClass BrowseName DataType TypeDefinition ModellingRule ... PropertyType Mandatory HasProperty Variable TimeFirstChange DateTime PropertyType Optional Conformance Units PubSub Model Diagnostics The Value shall be reset to 0 when the Method Reset of the parent PubSubDiagnosticsType Object
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.12.2 Supported configuration properties

property. DataType of the Variable defines the DataType of the Value in the KeyValuePair. Value of the Variable provides the default value for the property. Description of the Variable provides ... additional information. Properties like EURange or EngineeringUnits can be used to provide value ranges and units. The configuration property descriptions are referenced from the related configuration properties Node with
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

B.3.4 Connection properties

name> The target prefix can have the following values: Connection; session; link. The Value of the KeyValuePair is converted to an AMQP data type using the rules defined
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.7 FiniteStateVariableType

name. The FiniteStateVariableType is formally defined in Table 7 . Table 7 - FiniteStateVariableType definition Attribute Value BrowseName FiniteStateVariableType DataType LocalizedText ValueRank -1 (-1 = Scalar) IsAbstract False References Node Class BrowseName DataType ... inherited from the StateVariableType and overridden to reflect the required DataType . This value shall be the NodeId of one of the State Objects of the FiniteStateMachineType. If the FiniteStateMachine
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.8 FiniteTransitionVariableType

name. The FiniteTransitionVariableType is formally defined in Table 8 . Table 8 - FiniteTransitionVariableType definition Attribute Value BrowseName FiniteTransitionVariableType DataType LocalizedText ValueRank -1 (-1 = Scalar) IsAbstract False References Node Class BrowseName DataType ... inherited from the TransitionVariableType and overridden to reflect the required DataType . This value shall be the NodeId of one of the Transition Objects of the FiniteStateMachineType . If the FiniteStateMachine
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

4.2.1 RoleSetType definition

RoleSetType which is formally defined in Table 1 . Table 1 - RoleSetType definition Attribute Value BrowseName RoleSetType IsAbstract False References Node Class BrowseName DataType TypeDefinition Modelling Rule Subtype of BaseObjectType defined
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

4.3 RoleSet

used to publish all Roles supported by the Server . Table 4 - RoleSet definition Attribute Value BrowseName RoleSet References Node Class BrowseName DataType TypeDefinition Modelling Rule ComponentOf the ServerCapabilities Object defined
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.2.1 UserManagementType definition

UserManagementType which is formally defined in Table 21 . Table 21 - UserManagementType definition Attribute Value BrowseName UserManagementType IsAbstract False References Node Class BrowseName DataType TypeDefinition Modelling Rule Subtype of BaseObjectType defined ... Property PasswordLength defines the minimum and maximum length requirement for setting the password. A value of 0 for low indicates no limit for minimum and 0 for high indicates
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.3 UserManagement

used to manage users known to the Server . Table 32 - UserManagement definition Attribute Value BrowseName UserManagement References Node Class BrowseName DataType TypeDefinition Modelling Rule ComponentOf the ServerConfiguration Object defined
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.1 Overview

described as inverse, the inverse Path shall be browsable. The SourceNode defined in the Value shall reference the ReferenceDescription Variable using the HasReferenceDescription ReferenceType (see 5.4.1 ) or a subtype
OPC-10000-23 – OPC Unified Architecture - Part 23: Common ReferenceTypes

5.3.1 ReferenceDescriptionVariableType

BaseDataVariableType . It is used as container to expose additional information of a Reference . The Value contains the description of the Reference the Variable represents. The Reference as defined ... Value shall be exposed in the OPC UA Server containing the Variable . The IsForward field in the Value indicates the browsable direction of the Reference . It is not required that
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

3.1.5 SerializationValue

Values of all serialized Nodes belonging to the SerializationScope and is the Value of the SerializedData Variable
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

3.1.6 SerializationFieldDataType

serialized Node inside the SerializationValue . Note 1 to entry: The serialized Node is the Value or the structure following the rules defined in 6.4 . Note 2 to entry: The SerializationFieldDataType
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

4.2 Read Access to the SerializationValue

create the DataType information at the time when the SerializationValue DataType is accessed. The Value of the SerializedData Variable may only be generated (serialized) when requested by the Read Service
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

4.4 SerializationScope and SerializationEntity

also and is the parent Object of the SerializedData Variable . The SerializationValue is the Value of the SerializedData Variable. The DataType of the SerializationValue maps all Values of the Variables
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

4.5 General Features

shown in Figure 9 . Access to the SerializationValue is guaranteed to yield a consistent Value unless the NonatomicRead and NonatomicWrite flags of the AccessLevelExType part of the SerializedData Variable
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

5.1 Example Serialize RIO Channel Groups

Process Values provided in the "Values" array and the associated Process Value Qualifiers (see [ OPC RIO]) provided in the "Qualifiers" array. When using the "ChannelGroup ... Object as SerializationStartNode (see "SerializationStartNode 2" in Figure 4 ). When reading the Value of the "SerializedData 2", Clients gain access to a consistent snapshot
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

5.2 Example Serialization of PROFIenergy Data

Properties belonging to each MeasurementValueType Variable . Figure 5 - PROFIenergy measurement values When accessing the Value of the SerializedData Variable , a Client obtains all measurement values of all subordinated "Metering
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

5.3 Semantic Property handling

failure due to usage of outdated metadata, invoking the Read Service to obtain the Value of a merged compact representation not containing the associated metadata is appropriate for low-frequency ... possible, the metadata should be obtained by separate read accesses each time the Value of the merged compact representation is read. Alternatively, the merged compact representation could be configured
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.2 SerializedData Variable

DataTypeDefinition Attribute of the DataType to be able to decode the SerializationValue . The Value of the SerializedData Variable is only generated (serialized) when requested by the Read Service
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.3 ConfigureSerialization Method

field of each Structure contains the BrowseName of a serialization filter Property . The value field contains the desired value to set for this component and must have the same DataType ... serialization filter Property . A Property can be reset by setting the default Value for the Property . Results List of results for the Properties to set (see below). The size
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.5 SerializationDepth Property

SerializationDepth Property allows to limit the serialization levels of the SerializationScope. A SerializationDepth Value of 0 implies no limit. A Value of 1 implies direct children of the Object
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.6 ConsiderSubElementSerializationProperties Property

ConsiderSubElementSerializationProperties Property The ConsiderSubElementSerializationProperties Property contains a Boolean Value. If set to True, SerializationEntities referenced by elements of the SerializationScope which have the same BrowseName as the SerializationEntity referenced ... ObjectSerialization" SerializationEntity are set according to Figure 8 . The ConsiderSubElementSerializationProperties Property contains the Value "True". So, any SerializationEntity of a child node in the subtree originating from
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.7 CustomMetaDataProperties Property

elements at the lowest indices contain the semantic Properties (e.g. key="EngineeringUnits", value=EUInformation) for the Value of the represented Variable . Sub- Variables are represented with elements containing
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.8 CustomMetaDataRef Property

CustomMetaDataRef Property The CustomMetaDataRef Property references another SerializedData Variable. The Value of this Property is the NodeId of this other Variable . A KeyValuePair with the BrowseName of this Variable ... NodeId of this Variable as value is added to the content of the Properties KeyValuePair array in the FieldMetaData . If the CustomMetaDataProperties and the CustomMetaDataRef Properties are both provided
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.3.9 IncludeStatus, IncludeSourceTimestamp, and IncludeDictionaryReference Properties

Variable shall always be a Structure DataType which shall contain a "Value" field for the Value of the Variable and a "Status" field for the statusCode ... Variable shall always be a Structure DataType which shall contain a "Value" field for the Value of the Variable and a "SourceTimestamp" field for the sourceTimestamp
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.4.1 SerializationFieldDataType of Variables

SerializationFieldDataType of Variables If Variables are serialized, the Value of the Variable is mapped also into the SerializationValue DataType of the SerializedData Variable . The Value is inserted as field into
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.4.2 SerializationFieldDataType of Variables without Children

Structure field, but the SerializationFieldDataType is a Structure DataType . This Structure contains a "Value" field which has the same DataType as the Value of the Variable . Dependent ... Value of the " Include-Properties ", the Structure can contain a "Status" field with the DataType StatusCode, a "SourceTimestamp" field with the DataType UtcTime
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.4.3 SerializationFieldDataType of Variables with Children

Variable are generated as shown in Figure 12 for the V1 Variable (V1Type): The Value of the Variable is mapped into a field with the name "Value" with ... DataType of the Value of the V1 Variable . A field with name "Children" is inserted after the "Value" field. Its DataType is a new Structure DataType
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

6.4.4 SerializationFieldDataType of Objects with children

same way to Objects , with the exception that the Object level itself has no Value and therefore the SerializationFieldDataTypes do not contain a "Value"-field. Figure 14 shows
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

A.1 Model Instance: Variable with Components

nested sub-structures mapping the corresponding part of the subtree. On top level, the Value of "MyVariable" is mapped into the "Value" field, whereas the components ... itself children, it is represented by the Variable1DataType structure with an Int32 "Value" field for the Value of "Variable1" and a Variable1ChildrenDataType "Children" field
OPC-10000-25 – OPC Unified Architecture - Part 25: Object Serialization

A.7 Combining SerializationScopes

SerializationEntity is set to true, causing the StatusCode of the "MeasurementY1" Variable Value to be part of the SerializationValue DataType . The ExcludeReferenceTypes array containing one element with ... value HasProperty ReferenceType excludes all Properties of the "MeasurementY1" Variable . The JSON snipped shows how the resulting SerializationValue structure DataType is serialized using VerboseEncoding
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

5.6.4 Passing SpanStructure from a Client

parameter is "SpanContext " and the Value is the SpanContextDataType Structure . If a Server receives the optional AdditionalHeader , it uses the provided SpanConextDataType Structure when generating any LogRecords that
OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model

5.7 NameValuePair Structure

structure has a Name field that is a name that is associated with the value that is reported in the second field. The Value may be of any DataType . Specifications ... Subtype of Structure defined in OPC 10000-5 Name String The name of the value. Value BaseDataType The value associated with the name. The NameValuePair Structure representation in the AddressSpace
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.2 EstablishConnections signature

requested Key was not a Node in the ConfigurationData Folder hierarchy. Bad_TypeMismatch The value supplied for the configuration Variable is not of the same type as the implemented configuration ... this may result from a Lock existing on the Variable . Bad_NothingToDo Applying the Value to this Key was skipped because a preceding command had already resulted in an error
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.7 Command SetConfigurationDataCmd

Command SetConfigurationDataCmd If CommandMask SetConfigurationDataCmd is set, the EstablishConnections implementation shall apply the Value to the Key for each element in ConnectionEndpointConfigurations and each element in ConfigurationData . If the ConnectionEndpoint
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.3.3 VerifyAsset method

Variable to verify (relative to the Asset this Method is being called on), and Value is its expected value. A Client shall pass all mandatory and implemented optional Variables depending ... additional verification Variables . NodeId shall be the NodeId of the Variable to verify, and Value shall be its expected value. This array may be null or empty if no additional
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.4.3 Verify method

NodeId shall be the NodeId of the node to verify, and for variables, the Value is its expected value. The following rules shall apply to the usage of NodeIdValuePair ... NodeId refers to variables of type array, it shall be verified that Value is a matching array unless ArrayIndex is provided. If the ArrayIndex is provided, then a non-array
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.5 AssetVerificationDataType

and/or identity. ExpectedVerificationVariables 0:KeyValuePair[] A list of variables indicated by QualifiedName and their Value to be verified. ExpectedAdditionalVerificationVariables 2:NodeIdValuePair[] A list of variables indicated by NodeId and their ... Value to be verified. The AssetVerificationDataType representation in the AddressSpace is formally defined in Table 130 . Table 130 - AssetVerificationDataType definition Attribute Value BrowseName 2:AssetVerificationDataType IsAbstract False References NodeClass BrowseName
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.32 NodeIdValuePair

NodeIdValuePair This structured DataType is used to provide a NodeId value pair. The NodeIdValuePair specifies a KeyValuePair with a NodeIdArray as key . The structure is formally defined in Table ... item. To reference a single item or an array element, a scalar Value shall be provided. Value 0:BaseDataType Specifies the value, which can be of any DataType
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.8 Verifying FunctionalEntities

Client using the Verify Method can pass the following ExpectedVerificationVariables : PortableNodeIdentifier= "AuthorUri", Value =" http://acme.org " PortableNodeIdentifier= "AuthorAssignedIdentifier", Value ="7852-14" PortableNodeIdentifier ... AuthorAssignedVersion", Value ="1.2" Since the author decided to provide optional Variables , an instance of this type can or cannot provide x or y. To verify whether Variable
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

F.1.6 CommunicationFlowConfigurationConfDataType

QualifiedName is the property key from Table F.8 . The DataType of the Value in the KeyValuePair shall be the DataType defined in Table F.8 . Table F.8 formally defines the CommunicationFlowConfigurationConfDataType ... AddressSpace is formally defined in Table F.9 . Table F.9 - CommunicationFlowConfigurationConfDataType definition Attribute Value BrowseName 4:CommunicationFlowConfigurationConfDataType IsAbstract True References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the 0:Structure defined
OPC-10000-83 – OPC Unified Architecture - Part 83: UAFX OfflineEngineering

A.6 VariableType mapping

base AML SUC for OPC UA VariableTypes is BaseVariableType ; VariableTypes have a " Value " attribute and other attributes related to Value . In BaseVariableType , the Value attribute has the DataType ... Instances Notes IsAbstract X If not present in the AML SUC type, the value shall be FALSE. In some instances, this attribute has no meaning and should be deleted
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

4.4.3 UIElement Type

interface elements. The UIElementType is specified in Table 16 . Table 16 - UIElementType definition Attribute Value BrowseName 1:UIElementType IsAbstract True DataType 0:BaseDataType References NodeClass BrowseName DataType TypeDefinition Other Subtype ... BaseDataVariableType defined in OPC 10000-5 . Conformance Units DI Information Model The Value attribute of the UIElement contains the user interface element. Subtypes have to define the DataType (e.g., XmlElement
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.7.3 Package metadata

support SoftwareUpdate Only for solution packages (see 8.7.5 ) True Table 121 - PackageMetadata definition Attribute Value BrowseName 2:PackageMetadata IsAbstract False References NodeClass BrowseName DataType TypeDefinition Other Subtype of 0:Structure ... Model of the target Node on the device. False Table 123 - UpdateTarget definition Attribute Value BrowseName 2:UpdateTarget IsAbstract False References NodeClass BrowseName DataType TypeDefinition Other Subtype of 0:Structure
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

10.1 General

information that can be provided with the model defined in this clause. The Value of the LifetimeVariable provides the current value. The EngineeringUnits Property and the relation of the Indication ... ObjectType provide the semantic. The StartValue and LimitValue Properties indicate the range of the Value . Table 143 - Lifetime examples Node CertificateValidity PartsProduced LifetimeVariable 200 553 EngineeringUnits (M) day number
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

10.2 LifetimeVariableType definition

like software. It is formally defined in Table 144 . Table 144 - LifetimeVariableType definition Attribute Value BrowseName 1:LifetimeVariableType IsAbstract False ValueRank -1 (-1 = Scalar) DataType Number Description Remaining lifetime References ... PropertyType O Conformance Units DI LT Lifetime Base The mandatory StartValue indicates the initial value, when there is still the full lifetime left. The engineering unit is the same
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

10.5.3 AddLink Method

disappear after resetting or reconfiguring the Server or after calling the RemoveLink Method . The Value Attribute of the created Node should be writable, so the end-user can change ... general description. Table 32 - AddLink Method AddressSpace definition Attribute Value BrowseName AddLink References NodeClass BrowseName DataType TypeDefinition ModellingRule 0:HasProperty Variable 0:InputArguments 0:Argument[] 0:PropertyType 0:Mandatory
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.2 Local Time

local time of an asset. Servers may provide the 0: LocalTime with a Null Value in case the local time is unknown to the Server
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.3.2 HierarchicalLocation Property

hierarchical location of an asset. Servers may provide the HierarchicalLocation with a Null Value or empty string in case the HierarchicalLocation is unknown to the Server
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.4.2 OperationalLocation Property

operational location of an asset. Servers may provide the OperationalLocation with a Null Value or empty string in case the OperationalLocation is unknown to the Server
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

13.5 Digital Location

digital location of an asset. Servers may provide the DigitalLocation with a Null Value or an empty string in case the digital location is unknown to the Server
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

5.5 Handling of Errors

context, the StatusCode Bad_OutOfRange should be returned (e.g. in the Value of a Variable ). Return an error when an incorrect syntax is encountered. In an OPC UA context ... StatusCode Bad_SyntaxError should be returned (e.g. in the Value of a Variable
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

5.1 Overview

triggers of a specific visualization or acoustic signal, like an Alarm or a specific Value of a Variable
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

7.5.2 CapacityRangeType

DataItemType . It is used to represent a scale of calibration values. The value of the Variable defines the range (lowest and highest value), and the resolution the size of each ... step. The VariableType is formally defined in Table 57 . Table 58 - CapacityRangeType Definition Attribute Value BrowseName CapacityRangeType IsAbstract False ValueRank -1 (-1 = Scalar) DataType 0:Range Description Represent a scale
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

5.3 Overview of subtypes of BaseDataVariableType

RelativeValueType and SpatialLocationType Overview The RelativeValueType provides a Variable to describe relationship of the Value and is described in 7.1 The SpatialLocationType provides Variables to describe a location
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

7.1 RelativeValueType

inform how values, which are represented by this type, behave, or reference to another value representation. It is formally defined in Table 17 . Table 17 - RelativeValueType Definition Attribute Value BrowseName ... HasComponent Variable Base 0:NodeId 0:BaseDataVariableType O To express if the Value is constant and does not change, the Constant bit of the Attribute AccessLevelEx of the RelativeValueType Variable