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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

Evaluating Permissions with Roles When a Client attempts to access a Node, the Server goes through the list of Roles granted to the Session and logically ORs the Permissions ... Role on the Node. If there are no Node specific Permissions then the default Permissions for the Role in the DefaultRolePermissions Property of the NamespaceMetadata for the namespace the Node
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

B.1.1 Overview

used (for a definition of this operand see 7.7.4 ): AttributeOperand: Refers to a Node, an Attribute of a Node or the Value Attribute of a Property associated with a Node
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.4.2 BaseEventType

return a StatusCode for the EventType indicating an error. The SourceNode Property identifies the Node that the Event originated from. If the Event is not specific to a Node ... using the default locale of the server, if the Event is specific to a Node, or some server-specific notation. Time provides the time the Event occurred. This value
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.5.2 ConditionType

identifies the ConditionSource . See 5.12 for more details. If the ConditionSource is not a Node in the AddressSpace, the NodeId is set to NULL. The SourceNode Property is the Node ... same as the InputNode for an Alarm , but it may be a separate node. For example, a motor, which is a Variable with a Value that
OPC-40100-2 – OPC UA for Machine Vision - Part 2: Asset Management and Condition Monitoring

3.4.1.1 Node definitions

Node definitions Node definitions are specified using tables (see Table 2 ). Attributes are defined by providing the Attribute name and a value, or a description of the value. References ... TargetNode and its NodeClass . If the TargetNode is a component of the Node being defined in the table the Attributes of the composed Node are defined in the same