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

20 result(s) for Value Attribute

OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts

6.7 Attribute Service Set

only elements in the AddressSpace permitted to have data values. A special Attribute , the Value Attribute is used to define the value of Variables
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.2 Variable NodeClass

with it. This allows all Variables to have a value defined by the same Value Attribute . DataType M NodeId NodeId of the DataType definition for the Value Attribute . The NodeId ... DataTypes are defined in Clause 8 . ValueRank M Int32 This Attribute indicates whether the Value Attribute of the Variable is an array and how many dimensions the array
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.5 VariableType NodeClass

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 ... time a Reference is added or deleted to the Node the Property belongs to. Attribute value changes except for the DataType , ValueRank and ArrayDimensions Attributes do not cause the NodeVersion
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.4.2 Parameters

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 is specified then the Value ... newer specification versions than supported by the Server with Bad_TypeMismatch. For the Value Attribute the DataType is defined through the DataType Attribute . A ByteString is structurally the same
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.7.4.5 SimpleAttributeOperand

TypeDefinition . attributeId IntegerId Id of the Attribute . The IntegerId is defined in 7.19 . The Value Attribute shall be supported by all Servers . The support of other Attributes depends on requirements ... This parameter is ignored if the selected Node is not a Variable or the Value of a Variable is not an array. All values in the array are used
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 ... value is not accessible to the user associated with the Session . If a Value Attribute has an uncertain or bad StatusCode associated with it then the Server shall provide
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.13 NamespaceMetadataType

Servers is provided by the StaticNodeIdTypes, StaticNumericNodeIdRange and StaticStringNodeIdPattern Properties . Table 22 - NamespaceMetadataType definition Attribute Value BrowseName NamespaceMetadataType IsAbstract False References NodeClass BrowseName DataType TypeDefinition Modelling Rule Subtype ... TRUE. Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . For TypeDefinitionNodes , also the InstanceDeclarations shall be identical. That means that for static Nodes
OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

5.3.3.4 MultiStateValueDiscreteType

from the 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 ... definition of this type. MultiStateValueDiscrete Variables expose the current integer notation in their Value Attribute . Clients will often read the EnumValues Property in advance and cache it to lookup
OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services

10.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 161 - NamespaceMetadata Object for this Document Attribute Value BrowseName 2: http://opcfoundation.org/UA/GDS/ Property DataType Value 0:NamespaceUri 0:String http://opcfoundation.org
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

6.2.10.2.3 FieldTargetDataType

field value is written. AttributeId IntegerId Id of the Attribute to write e.g. the Value Attribute . This shall be a valid AttributeId . The Attributes are defined ... array. However, if the specified Attribute is an array, and this parameter is null, then the complete array is used. OverrideValueHandling OverrideValueHandling The value is used to define the override
OPC-10000-21 – OPC Unified Architecture - Part 21: Device Onboarding

10.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 36 - NamespaceMetadata Object for this Document Attribute Value BrowseName 2: http://opcfoundation.org/UA/Onboarding / Property DataType Value 0:NamespaceUri 0:String http://opcfoundation.org
OPC-10000-24 – OPC Unified Architecture - Part 24: Scheduler

10.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 49 - NamespaceMetadata Object for this Document Attribute Value BrowseName http://opcfoundation.org/UA/Scheduler/ Property DataType Value NamespaceUri String http://opcfoundation.org/UA/Scheduler/ NamespaceVersion String
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

14.1 Namespace metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as an Object ... schema is defined in OPC 10000-6 . Table 254 - UAFX Common NamespaceMetadata Object Attribute Value BrowseName 2: http://opcfoundation.org/UA/FX/Data/ Property DataType Value NamespaceUri 0:String http://opcfoundation.org/UA/FX/Data / NamespaceVersion
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

12.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 153 - NamespaceMetadata Object for this Specification Attribute Value BrowseName 1: http://opcfoundation.org/UA/DI/ Property DataType Value 0:NamespaceUri 0:String http://opcfoundation.org
OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics

16.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 58 - NamespaceMetadata Object for this Document Attribute Value BrowseName http://opcfoundation.org/UA/AMB/ Property DataType Value NamespaceUri String http://opcfoundation.org/UA/AMB/ NamespaceVersion String
OPC-10000-120 – OPC Unified Architecture - Part 120: OPC UA and XML Data Type Mapping

8.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 41 - NamespaceMetadata Object for this Document Attribute Value BrowseName http://opcfoundation.org/UA/XML/ Property DataType Value NamespaceUri String http://opcfoundation.org/UA/XML/ NamespaceVersion String
OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation

9.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 71 - NamespaceMetadata Object for this Document Attribute Value BrowseName http://opcfoundation.org/UA/IA/ Property DataType Value NamespaceUri String http://opcfoundation.org/UA/IA/ NamespaceVersion String
OPC-10000-210 – OPC Unified Architecture - Part 210: Relative Spatial Location

10.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 28 - NamespaceMetadata Object for this Document Attribute Value BrowseName http://opcfoundation.org/UA/RSL / Property DataType Value NamespaceUri String http://opcfoundation.org/UA/RSL / NamespaceVersion String
OPC-10000-211 – OPC Unified Architecture - Part 211: Global Positioning

12.1 Namespace Metadata

static Nodes . Static Nodes are identical for all Attributes in all Servers , including the Value Attribute . See OPC 10000-5 for more details. The information is provided as Object ... schema is defined in OPC 10000-6 . Table 30 - NamespaceMetadata Object for this document Attribute Value BrowseName http://opcfoundation.org/UA/GPOS/ Property DataType Value NamespaceUri String http://opcfoundation.org/UA/GPOS/ NamespaceVersion String