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

11 result(s) for ReserveCommunicationIdsCmd

OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.2 EstablishConnections signature

CommandMask contains bits for the following commands: VerifyAssetCmd (see 6.2.4.3.2 ), VerifyFunctionalEntityCmd (see 6.2.4.3.3 ), ReserveCommunicationIdsCmd (see 6.2.4.3.4 ), CreateConnectionEndpointCmd (see 6.2.4.3.5 ), EstablishControlCmd (see 6.2.4.3.6 ), SetConfigurationDataCmd (see 6.2.4.3.7 ), ReassignControlCmd (see 6.2.4.3.8 ), SetCommunicationConfigurationCmd ... model-specific identifiers. For a formal definition of the ReserveCommunicationIdsDataType , see 10.44 . If CommandMask ReserveCommunicationIdsCmd is set, ReserveCommunicationIds shall contain at least one element. If CommandMask ReserveCommunicationIdsCmd
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.1 Overview

single call, the individual commands shall be processed in the order: VerifyAssetCmd , VerifyFunctionalEntityCmd , ReserveCommunicationIdsCmd , CreateConnectionEndpointCmd , EstablishControlCmd , SetConfigurationDataCmd , ReassignControlCmd , SetCommunicationConfigurationCmd , EnableCommunicationCmd, which is illustrated in Figure 20 . A Client may issue
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.7.3.2 Establishing Connections

following commands at any time and in any order: VerifyAssetCmd , VerifyFunctionalEntityCmd , ReserveCommunicationIdsCmd , and EnableCommunicationCmd . A Client using the Methods exposed in the Information Model (e.g., VerifyAsset , ReassignControl) can invoke them ... ExpectedVerificationVariables contained in Endpoint1 or Endpoint2 Object in the instances of ConnectionConfigurationType . ReserveCommunicationIdsCmd Reserves identifiers for the communication configuration. The argument ReserveCommunicationIds that is passed for this command is constructed
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.16.3.2 PubSubCommunicationModelConfigurationType definition

identifiers ( WriterGroupIds , WriterIds ) that it reserved on the AutomationComponent with a previously issued EstablishConnections ReserveCommunicationIdsCmd before passing PubSubConfigurations using EstablishConnections SetCommunicationConfigurationCmd. PubSubConnections need specific handling; for details, see additional information
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

13.2.3 Session-less Client connection

saved state across multiple invocations. For example, it cannot be used for a ReserveCommunicationIdsCmd since the communication IDs are released when the Session ends. Figure 66 - Session-less Service invocation
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.2.2.1 For logical connections between two AutomationComponents

following steps for establishing the Connections: The ConnectionManager calls EstablishConnections on AC1 using the ReserveCommunicationIdsCmd to reserve WriterGroupIds and DataSetWriterIds for the publishing side (i.e., WriterGroups and DataSetWriters
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.2.2.2 For logical connections between multiple AutomationComponents

connections as follows: The ConnectionManager calls EstablishConnections on AC1, AC2, and AC3 using the ReserveCommunicationIdsCmd to reserve WriterGroupIds and DataSetWriterId s for the publishing side (i.e., WriterGroups , and DataSetWriters ... sequence could be optimized as follows: The ConnectionManager calls EstablishConnections on AC1 using the ReserveCommunicationIdsCmd to reserve WriterGroupIds and DataSetWriterId s for the publishing side (i.e., WriterGroups and DataSetWriters
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.2 ConnectionConfigurationSet and WriterGroup

ConnectionConfigurationSet and WriterGroup It is recommended to update WriterGroupId and PublisherId after issuing the ReserveCommunicationIdsCmd ; see E.2 for details. Depending on the transport profile and on the type of Address
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.3 ConnectionConfigurationSet and ReaderGroup

ReaderGroup within the PubSubConfiguration. It is recommended to update PublisherId after issuing the ReserveCommunicationIdsCmd ; see E.2 for details. For a Subscriber, the Address will be in the PubSubConnection
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.5 ConnectionConfigurationSet and DataSetReader

DataSetReader It is recommended to update PublisherId, WriterGroupId and DataSetWriterId after issuing the ReserveCommunicationIdsCmd ; see E.2 for details. The values are set to correspond to the Publisher of the DataSetMessage
OPC-10000-84 – OPC Unified Architecture - Part 84: UAFX Profiles

5.2.3 UAFX AutomationComponent

EstablishConnections Method ReassignControlCmd command. Server UAFX AutomationComponent ConnectionEstablishment ReserveCommunicationIds Supports the EstablishConnections Method ReserveCommunicationIdsCmd command. Server UAFX AutomationComponent ConnectionEstablishment SetCommunicationConfiguration Supports the EstablishConnections Method SetCommunicationConfigurationCmd command. Server UAFX AutomationComponent ConnectionEstablishment