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

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

6.2 Discovery Service Set

Discovery Service Set This Service Set defines Services used to discover Servers that are available in a system. It also provides a manner in which clients can read the security
OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts

6.3 SecureChannel Service Set

SecureChannel Service Set This Service Set defines Services used to open a communication channel that ensures the confidentiality and integrity of all Messages exchanged with the Server . The base concepts ... logical connection between a single Client and a single Server . This channel maintains a set of keys that are known only to the Client and Server and that are used
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

4.1 Service Set model

Service Set model This clause specifies the OPC UA Services . The OPC UA Service definitions are abstract descriptions and do not represent a specification for implementation. The mapping between ... defined in OPC 10000-6 . These Services are organized into Service Sets . Each Service Set defines a set of related Services . The organization in Service Sets is a logical grouping
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.1 General

describes auditing requirements for all services. Whether or not a Server supports a Service Set , or a Service within a Service Set , is defined by its Profile . Profiles are described
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.5.1 Overview

Overview This Service Set defines Services used to discover the Endpoints implemented by a Server and to read the security configuration for those Endpoints . The Discovery Services are implemented
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.6.1 Overview

Overview This Service Set defines Services used to open a communication channel that ensures the Confidentiality and Integrity of all Messages exchanged with the Server . The base concepts ... logical connection between a single Client and a single Server . This channel maintains a set of keys known only to the Client and Server , which are used to sign
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.7.1 Overview

Overview This Service Set defines Services for an application layer connection establishment in the context of a Session
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.8.1 Overview

Overview This Service Set defines Services to add and delete AddressSpace Nodes and References between them. All added Nodes continue to exist in the AddressSpace even if the Client that
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.9.1 Overview

Overview Clients use the browse Services of the View Service Set to navigate through the AddressSpace or through a View which is a subset of the AddressSpace . A View
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.11.1 Overview

Overview This Service Set provides Services to access Attributes that are part of Nodes
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.12.1 Overview

Methods may vary, depending on the function that they perform. The Method Service Set defines the means to invoke Methods . A Method shall be a component of an Object . Discovery
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.3.1 Description

without a Session . Session -less invocation is limited to Services of the View Service Set (with exception of RegisterNodes and UnregisterNodes ), Attribute Service Set , Method Service Set , NodeManagement Service Set ... Query Service Set . If Session -less Service invocation is supported by a Server , all Services belonging to these Service Sets that are supported by a Server via a Session shall
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.4 Auditing for Discovery Service Set

Auditing for Discovery Service Set This Service Set can be separated into two groups: Services that are called by OPC UA Clients and Services that are invoked
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.6 Auditing for Session Service Set

Auditing for Session Service Set All Services in this Service Set for Servers that support auditing may generate audit entries and shall generate audit Events for both successful and failed ... Service failed. The additional parameters should include the details of the request. This Service Set shall also generate additional audit events in the cases when Certificate validation errors occur. These
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.5.8 Auditing for Attribute Service Set

Auditing for Attribute Service Set The Write or HistoryUpdate Services in this Service Set for Servers that support auditing may generate audit entries and shall generate audit Events for both ... Clients that support auditing, accessing the Write or HistoryUpdate services in the Attribute Service Set shall generate audit entries for both successful and failed invocations of the Service . Invocations
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.40.1 Overview

Overview The UserIdentityToken structure used in the Server Service Set allows Clients to specify the identity of the user they are acting on behalf of. The exact mechanism used ... most common mechanisms that are used in systems today. Table 181 defines the current set of user identity tokens. The ExtensibleParameter type is defined in 7.17 . Table 181 - UserIdentityToken parameterTypeIds
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.7 ServerRedundancyType

supported by the Server . Its values are defined in 12.5 . It shall be set to NONE for all instances of the ServerRedundancyType using the ObjectType directly (no subtype). The RedundantServerArray ... contains an array of available Servers in the Redundant Set ; including their service levels (see 12.7 ). This array may change during a Session ; the order of the array elements shall
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.8 TransparentRedundancyType

Conformance Units Redundancy Server Transparent RedundancySupport is inherited from the ServerRedundancyType . It shall be set to TRANSPARENT_4 for all instances of the TransparentRedundancyType . Although, in a transparent switchover scenario ... Client . Therefore, CurrentServerId contains an identifier of the currently-used Server in the Redundant Set . This Server is valid only inside a Session ; if a Client opens several Sessions , different
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

4.7 Changes in AddressSpace over time

Changes in AddressSpace over time Clients use the browse Services of the View Service Set to navigate through the AddressSpace to discover the HistoricalNodes and their characteristics. These Services provide ... Historizing attribute on any nodes that are currently collecting historical data. They shall also set the AccessLevel HistoryRead and optionally the HistoryWrite bits for HistoricalNodes (those with Historical data