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8 result(s) for Communication

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  4.1 Service Set model
  represent a specification for implementation. The mapping between the abstract descriptions and the Communication Stack derived from these Services are defined in OPC 10000-6 . These Services are organized into ... illustrated in Figure 2 , defines Services that allow a Client to establish a communication channel to ensure the Confidentiality and Integrity of Messages exchanged with the Server . Figure 2 - SecureChannel
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  4.2 Request/response Service procedures
  Service to execute. The error handling for this step is specific to the communication technology used and is described in OPC 10000-6 . If it succeeds, then it attempts ... both the Client and the Server may make use of the API of a Communication Stack to construct and interpret Messages and to access the requested operation. The implementation
• 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 ... implemented directly by the OPC UA Application . Instead, they are provided by the Communication Stack on which the OPC UA Application is built. For example, an OPC UA Server
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.32 RequestHeader
  timeoutHint UInt32 This timeout in milliseconds is used in the Client side Communication Stack to set the timeout on a per-call base. For a Server this timeout is only
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.35 SessionAuthenticationToken
  purposes of this discussion, a Server consists of application (code) and a Communication Stack as shown in Figure 37 . Figure 37 - Logical layers of a Server The security provided ... SessionAuthenticationToken depends on a trust relationship between the Server application and the Communication Stack . The Communication Stack shall be able to verify the sender of the message and it uses
• OPC-10000-22 – OPC Unified Architecture - Part 22: Base Network Model
  5.4.2 Communication Folder
  Communication Folder The Communication Object shall be used as the browse entry point for communication related resources of the physical device the Server is running on. It is formally defined ... Table 51 . The Communication Object is referenced by an Organizes Reference from the Resources Object defined in 5.4.1 . The Communication Object can include the following subfolders: MappingTables NetworkInterfaces Streams Additionally
• OPC-30040 – OPC UA for AutomationML - Xxx: OPC UA Information Model for AutomationML
  7.2.2.3.2 ObjectType Definition
  ObjectType Definition The Communication is formally defined in Table 30 . Table 30 - Communication Definition Attribute Value BrowseName Communication IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule Inherit the components
• OPC-30040 – OPC UA for AutomationML - Xxx: OPC UA Information Model for AutomationML
  7.7.2.2.2 ObjectType Definition
  ObjectType Definition The Communication is formally defined in Table 75 . Table 75 - Communication Definition Attribute Value BrowseName Communication IsAbstract False References NodeClass BrowseName DataType TypeDefinition ModellingRule Inherit the components