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

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

4.6 FunctionalEntities and applications

output data for easier configuration or as the application requires. A FunctionalEntity exposes ControlGroups to allow the selection between available uses of a FunctionalEntity . The selected use might restrict access ... being changed or only to be changed by a specific entity or Role . Multiple ControlGroups might reference overlapping data. ControlGroups might be created dynamically or be pre-configured as part
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

5.3 ControlGroups

ControlGroups A FunctionalEntity can support multiple operating modes or groupings of functionality. An example might be a simple PID function block that supports cascade. In non-cascade mode ... setpoint, but the ability to externally set the setpoint is blocked in cascade. ControlGroups allow a FunctionalEntity to advertise these different groupings or modes. A FunctionalEntity might define multiple (even
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.2 EstablishConnections signature

EstablishControlCmd or ReassignControlCmd is set, at least one of the ConnectionEndpointConfigurations elements shall contain ControlGroups with at least one element. If CommandMask EstablishControlCmd and ReassignControlCmd are not set, all ControlGroups
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.6 Command EstablishControlCmd

EstablishConnections implementation shall call the EstablishControl Method on each element in ControlGroups for each element in ConnectionEndpointConfigurations . If ControlGroups is null or empty, EstablishControlResult shall be set to null
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.8 Command ReassignControlCmd

EstablishConnections implementation shall call the ReassignControl Method on each element in ControlGroups for each element in ConnectionEndpointConfigurations . If ControlGroups is null or empty, ReassignControlResult shall be set to null
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.11 Abort

ConnectionEndpoints in the context of this Method Call shall be deleted. EstablishControlCmd All requested ControlGroups requested in the context of this Method Call shall be released by calling ReleaseControl
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.5.2 CloseConnections behaviour

referenced from other ConnectionEndpoints , the ConnectionEndpoints , and all persisted items. In addition, all ControlGroups -based restrictions placed on Objects shall be released . Preconfigured Objects or Objects referenced by other ConnectionEndpoints
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.4.2 FunctionalEntityType definition

SubscriberCapabilitiesType O 0:HasComponent Object 3:ConnectionEndpoints 3:ConnectionEndpointsFolderType O 0:HasComponent Object 3:ControlGroups 3:ControlGroupsFolderType O 0:HasComponent Variable 3:OperationalHealth 3:OperationalHealthOptionSet 0:BaseDataVariableType ... FunctionalEntity does not expose ConnectionEndpoints , the Folder may be missing. The ControlGroups Folder provides a container for all ControlGroupType instances this FunctionalEntity might contain. For the concepts
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.5.1 Overview

manage the control of the functionality provided by a FunctionalEntity or part of it. ControlGroups are used when some part of a FunctionalEntity is to be "controlled ... another FunctionalEntity or application. ControlGroups can be used by an application to help understand how the Variables (inputs, outputs, configuration) and Methods are logically related to each other
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.5.2 ControlGroupType definition

ControlGroupType definition ControlGroups are part of the FunctionalEntity model and are independent of any communication model ( Client Server , PubSub , etc.). A ControlGroup is used to identify the usage of parts ... FunctionalEntity . ControlGroups may result in a restriction to the grouped items. The restriction can include Objects (input and configuration Variables ) and Method invocations. The restriction can block all changes
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.6.2 ConnectionEndpointType definition

AutomationComponent . The restoration of a persistent ConnectionEndpoint shall include: ConnectionEndpoint including references to ControlGroups and communication model Objects Established control on related ControlGroups Communication model Objects An AutomationComponent indicates support
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.7.3.2 Establishing Connections

usage of commands: Commands may be omitted if not needed, e.g., if no ControlGroups are exposed by the AutomationComponent or used by the configuration in the ConnectionConfigurationSet , the commands EstablishControlCmd ... Endpoint1 or Endpoint2 Object in the instances of ConnectionConfigurationType . EstablishControlCmd Establish control of specific ControlGroups of the FunctionalEntity . The argument ConnectionEndpointConfigurations ControlGroups that is passed for this command is constructed
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.11.2 ConnectionEndpointConfigurationType definition

HasComponent Variable 4:ExpectedVerificationVariables 4:PortableNodeIdentifierValuePair[] 0:BaseDataVariableType O 0:HasComponent Variable 4:ControlGroups 4:PortableNodeIdentifier[] 0:BaseDataVariableType O 0:HasComponent Variable 4:ConfigurationData 4:PortableNodeIdentifierValuePair[] 0:BaseDataVariableType O ConformanceUnits ... PortableRelativePath is specified as Key , the path shall be relative to FunctionalEntityNode . ControlGroups , if present, specifies the ControlGroups to be controlled. If a PortableRelativePath is specified, the path shall
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.14 ConnectionEndpointConfigurationDataType

parameter is to be omitted, it shall be set to null or empty. False ControlGroups 0:NodeId[] Specifies the ControlGroups to be controlled by the ConnectionEndpoint . If this parameter
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.15 ConnectionEndpointConfigurationResultDataType

CommandMask EstablishControlCmd is set, the length of this array shall match the length of ControlGroups , and each element shall contain the result of the corresponding element in ControlGroups . If CommandMask ... CommandMask ReassignControlCmd is set, the length of this array shall match the length of ControlGroups , and each element shall contain the result of the corresponding element in ControlGroups . If CommandMask
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.23 FxCommandMask

modify ConnectionEndpoints . EstablishControlCmd 3 The addressed Server shall establish control over the requested ControlGroups . SetConfigurationDataCmd 4 The addressed Server shall apply the supplied application configuration. ReassignControlCmd 5 The addressed Server ... shall reassign the requested ControlGroups ReserveCommunicationIdsCmd 6 The addressed Server shall reserve identifiers for the communication model configuration. SetCommunicationConfigurationCmd 7 The addressed Server shall apply the supplied communication model configuration
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

B.2 Creating a new model based on OPC UA FX

instances would contain, such as the ConfigurationData in MyFunctionalEntityType. It could define fixed ControlGroups or a fixed group of SubFunctionalEntities . Then, all instances of these types would include the provided
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.1 Overview

clause provides examples of functionality that a FunctionalEntity might expose. This includes Inputs , Outputs , ControlGroups and the resulting Connections . It will also describe the use of pre-configured DataSets
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.7.1 Overview

D.3.7.1 Overview ControlGroups can be used for many purposes. They can illustrate related functionality or be used to establish control. Establishing control of a ControlGroup can be done by calling
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.7.3 Example of a complex ControlGroup

Compass. Since both alternatives should not be used at the same time, two ControlGroups, ControlNormalized and ControlRaw, are added to the functional model (see Figure D.30 ). Figure D.30 - ControlGroups added ... functional model Each of the ControlGroups represents an interface provided by the FunctionalEntity to control and monitor the AGV using normalized or raw data. The interface is represented
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.7.4 Using ControlGroups with Connections

D.3.7.4 Using ControlGroups with Connections ControlGroups can be used with Connections . This example is an extension of the simple ControlGroup . Assume that the EngineeringUnits of Temperature (see Figure D.28 ) should
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

D.3.7.5 Using ControlGroups to expose functionality.

D.3.7.5 Using ControlGroups to expose functionality. ControlGroups can be used to expose functionality that is required to be used as a group. This example describes a pair of controllers that
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.1.2 Single logical connection

ConnectionEndpointConfiguration contains all parameters required for creating the ConnectionEndpoint , verifying the affected FunctionalEntity , requesting ControlGroups , and application configuration. The ConnectionConfigurationSet provides two PubSubCommunicationFlowConfiguration Objects, Flow1 and Flow2. They provide communication
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

F.1.5 ConnectionEndpointConfigurationConfDataType

null or empty or the field is not present, no Variables are verified. True ControlGroups NodeIdentifier[] Specifies the ControlGroups to be controlled. If a RelativePath is specified ... array is null or empty or the field is not present, no ControlGroups are controlled. True ConfigurationData NodeIdentifierValuePair[] Specifies the parameters to apply for the configuration of the FunctionalEntityNode
OPC-10000-84 – OPC Unified Architecture - Part 84: UAFX Profiles

5.2.5 UAFX FunctionalEntity

Server UAFX IFunctionalEntity SubscriberCapabilities Base Supports SubscriberCapabilities of the IFunctionalEntity Interface . Server UAFX IFunctionalEntity ControlGroups Supports ControlGroups of the IFunctionalEntity Interface . Server UAFX IFunctionalEntity Status FunctionalGroup Supports the Status FunctionalGroup ... ControlGroup(s) Server UAFX ControlGroup Methods Supports the EstablishControl , ReleaseControl , and ReassignControl Methods of ControlGroups . PubSubConnectionEndpoint Server UAFX ConnectionEndpoint PubSub Supports an instance of the PubSubConnectionEndpointType