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

29 result(s) for Server.

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

2.1.41 Session

Session logical long-running connection between a Client and a Server. Note 1 to entry: A Session maintains state information between Service calls from the Client to the Server
OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model

4.3.16 Message suppression

blocked in either direction i.e. messages originating from a Client or originating from a Server. Message suppression impacts Integrity and Availability . See 5.1.14 for the reconciliation of this threat
OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model

5.1.11 Rogue Local Discover Server

Rogue Local Discover Server See 4.3.12 for a description of this threat. OPC UA Client can counter a rogue Discovery Server , by only connecting to Servers that are trusted. This ... protects the Client against malicious Server. The use of a GDS can also mitigate the effect of a compromised Local Discovery Server . A GDS, that aggregates information from Local Discovery
OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model

6.12 OAuth2, JWT and User roles

AccessTokens . These JWTs are passed as an Issued Token to an OPC UA Server which uses the signature contained in the JWT to validate the token. JWT can also provide ... information to the Server regarding the roles associated with the Authenticated user. The enforcement of the roles is the responsibility of the Server
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

8.57 AccessLevelType

also indicates if the history of the Variable is available via the OPC UA Server. (0 means not readable, 1 means readable). HistoryWrite 3 Indicates if the history ... also indicates if the history of the Variable is available via the OPC UA Server. (0 means not writeable, 1 means writeable). SemanticChange 4 This flag is set for Properties
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.5.3.1 Description

Description This Service returns the Servers known to a Discovery Server . Unlike FindServers , this Service is only implemented by Discovery Servers . The Client may reduce the number of results returned ... specifying filter criteria. An empty list is returned if no Server matches the criteria specified by the Client . This Service shall not require message security but it may require transport
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.14.2.2 Parameters

MonitoredItems assigned to this Subscription . If the requested value is 0 or negative, the Server shall revise with the fastest supported publishing interval. requestedLifetimeCount Counter Requested lifetime count ... being available to send a NotificationMessage , then the Subscription shall be deleted by the Server . requestedMaxKeepAlive Count Counter Requested maximum keep-alive count (see 7.8 for Counter definition). When
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.14.3.2 Parameters

Request requestHeader RequestHeader Common request parameters (see 7.32 for RequestHeader definition). subscriptionId IntegerId The Server -assigned identifier for the Subscription (see 7.19 for IntegerId definition). requestedPublishingInterval Duration This interval defines ... MonitoredItems assigned to this Subscription . If the requested value is 0 or negative, the Server shall revise with the fastest supported publishing interval. requestedLifetimeCount Counter Requested lifetime count
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.16 ExpandedNodeId

namespace to be specified explicitly as a string or with an index in the Server 's namespace table. Table 137 - ExpandedNodeId Name Type Description ExpandedNodeId structure The NodeId with ... namespace expanded to its string representation. serverIndex Index Index that identifies the Server that contains the TargetNode . This Server may be the local Server or a remote Server . This index
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

E.2 SecuredApplication

read or changed. ApplicationType ApplicationType The type of application. May be one of Server_0; Client_1; ClientAndServer_2; DiscoveryServer_3; Applications do not provide this value. Applications ... revoked). BaseAddresses String [] A list of URLs for the Endpoint s supported by a Server . Applications allow these values to be read or changed. If a Server does not support
OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access

5.6.3 Historical data

following example illustrates a Historian that obtains values for a HistoricalData node from another Server. Figure 4 - Example Historizing External Data Source The Pressure Variable has a custom historical configuration
OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services

7.8.2.8 TrustListDataType

TrustListDataType This type defines a DataType which stores the TrustList of a Server. Its values are defined in Table 32 . Table 32 - TrustListDataType Structure Name Type Description TrustListDataType Structure Subtype
OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services

7.8.3.2 GetRejectedList

GetRejectedList GetRejectedList Method returns the list of Certificates that have been rejected by the Server . No rules are defined for how the Server updates this list or how long ... Certificates ); Argument Description Certificates The DER encoded form of the Certificates rejected by the Server. Method Result Codes (defined in Call Service) Result Code Description Bad_UserAccessDenied The current user
OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services

7.10.6 CreateSelfSignedCertificate

CertificateGroup . This Method allows an administration Client to create a Certificate used by the Server . The Purpose of the CertificateGroup specifies what the Certificate is used for. For example ... returned. If a transaction is in progress (see 7.10.9 ) on another Session then the Server shall return Bad_TransactionPending . If the SecureChannel is not authenticated the Server shall return
OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services

7.10.12 GetRejectedList

GetRejectedList GetRejectedList Method returns the list of Certificates that have been rejected by the Server . No rules are defined for how the Server updates this list or how long ... Certificates ); Argument Description Certificates The DER encoded form of the Certificates rejected by the Server. Method Result Codes (defined in Call Service) Result Code Description Bad_UserAccessDenied The current user
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

D.1.3 PubSub AliasName Notification Configuration

subsets of Servers to direct the notification message to a specific GDS or aggregating Server . The Enabled that is associated with the PubSubConnection for the published messages . This flag ... used to enable the Servers AliasName PubSub Notifications feature. A Server that supports this feature would typically have this feature pre-configured, allowing notification to begin on startup
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.1 General

Such users can be managed by the operating sytem or by the OPC UA Server . The chapter defines a standard API for the management of a user list ... Server. Figure 2 depicts the ObjectTypes , Objects and their components used to represent the user management. The ServerConfiguration Object is defined in OPC 10000-12 . Figure 2 - User management overview
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.2.5 AddUser Method

This Method is used to add a user to the user management of the Server. The Client shall use an encrypted channel and shall provide user credentials with administrator rights ... like SecurityAdmin Role when invoking this Method on the Server . Signature AddUser ( [in] String UserName, [in] String Password, [in] UserConfigurationMask UserConfiguration, [in] String Description ); Argument Description UserName The name
OPC-10000-18 – OPC Unified Architecture - Part 18: Role-Based Security

5.2.6 ModifyUser Method

This Method is used to modify a user in the user management of the Server. If the UserConfiguration bit Disabled is changed to TRUE, all Sessions and Subscriptions associated with ... disabled user shall be closed by the Server. If the user of the Session used to call the Method is to be disabled, the Method shall fail with Bad_InvalidSelfReference
OPC-10000-21 – OPC Unified Architecture - Part 21: Device Onboarding

3.1.9 Device Configuration Application (DCA)

Device Configuration Application (DCA) a Client or Server installed on a Device used to configure other applications installed on the same Device . Note 1 to entry: a DCA which ... Registrar uses PushManagement (see 7.3 ) to interact with a DCA which is a Server
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.7.6 ConnectionManagerCapabilitiesType

Connections created by this ConnectionManager that have a ConnectionEndpoint on this Server. If this capability is not provided, or false, the ConnectionManager Information Model does not report the current status
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

13.3.3 PortableRelativePath provided

provides an overview of the configuration and actions): Resolve the location of the Server and connect to it. This process is required for several of the node configuration options ... clause (see 13.2 ). Convert PortableRelativePaths to BrowsePaths . This is accomplished by connecting to the Server , reading the NamespaceArray from the Server , and matching all NamespaceUri from the NamespaceArray
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.6 Loading / Saving ConnectionConfigurationSets

NamespaceArray that contains the URI that describes the owner of the Node . On a Server, this NamespaceArray is in the Server Object and is used to resolve all nodes ... Server . But in this case, the PublishedDataSet or SubscribedDataSet describes Variables that are on the Publisher or Subscriber Server , which is very likely to be a different Server . Depending
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

F.1.11 ServerAddressConfDataType

F.1.11 ServerAddressConfDataType This Structure DataType holds the information for the Server address. It is semantically equivalent to the ServerAddressType as defined in 9.2.2 , except that the field Namespaces is added ... Subtype of Structure defined in OPC 10000-5 BrowseName 0:String BrowseName of the Server address. False Address 0:UriString Address is specified as a DiscoveryUrl of the server
OPC-30020 – MDIS OPC UA Companion Specification

6.9.1 Introduction

MDISCIMVObjectType defined in this document. It is assumed that the subsea system is the Server and host of the instance of the MDISCIMVObjectType . The DCS based system is the Client ... instance of the MDISCIMVObjectType are initiated by the Client and are directed to the Server
OPC-30020 – MDIS OPC UA Companion Specification

6.10.1 Introduction

MDISCounterObjectType defined in this document. It is assumed that the subsea system is the Server and host of the instance of the MDISCounterObjectType . The DCS based system is the Client ... instance of the MDISCounterObjectType are initiated by the Client and are directed to the Server
OPC-30020 – MDIS OPC UA Companion Specification

6.11.1 Introduction

MDISMotorObjectType defined in this document. It is assumed that the subsea system is the Server and host of the instance of the MDISMotorObjectType . The DCS based system is the Client ... instance of the MDISMotorObjectType are initiated by the Client and are directed to the Server
OPC-30020 – MDIS OPC UA Companion Specification

6.14.3 MDISInformationObjectType Definition

MDISTimeSyncObjectType object, that allows a Client to provide time information to a Server if required. See 6.1.16 for additional details. Signatures is a folder that contains all of the currently ... provides information about the version of the MDIS specification that is implemented by the Server . This is provided to assist the Client in determining what should be available
OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management

14.1 ConformanceUnits

Information Model for Machine Tools. Table 120 - ConformanceUnits for Machine Tools Category Title Description Server MachineTool MachineToolType Mandatory Nodes [Contains deprecated Nodes] All nodes declared as mandatory in the MachineToolType ... AddressSpace. The nodes declared as optional may be included in the AddressSpace. Server MachineTool Monitoring Basic - Stacklight All available stacklights on the machine tool are modelled in the AddressSpace using