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

36 result(s) for state

OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.7 Re-establishing connections

through the keep-alive of the Subscription . A Client should subscribe for the State Variable in the ServerStatus to detect shutdown or other failure states. If no Subscription is created ... Server does not support Subscriptions , the connection can be monitored by periodically reading the State Variable . Figure 36 - Reconnect sequence When a Client loses the connection to the Server
OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.1 ServerType

EstimatedReturnTime indicates the time at which the Server is expected to have a ServerStatus . State of RUNNING_0. A Client that observes a shutdown or a ServiceLevel of 0 should ... defined in OPC 10000-4 . The RequestServerStateChange Method allows a Client to request a state change in the Server . It is defined in 9.4 ; the intended usage is defined
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.12 RemoveFromService Method

applies to an Alarm instance, even if it is not currently in the Active State . Table 62 specifies the AddressSpace representation for the RemoveFromService Method . Table 62 - RemoveFromService Method AddressSpace
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.13 RemoveFromService2 Method

applies to an Alarm instance, even if it is not currently in the Active State . Table 65 specifies the AddressSpace representation for the RemoveFromService2 Method . Table 65 - RemoveFromService2 Method AddressSpace
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.14 PlaceInService Method

applies to an Alarm instance, even if it is not currently in the Active State . Table 67 specifies the AddressSpace representation for the PlaceInService Method . Table 67 - PlaceInService Method AddressSpace
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.15 PlaceInService2 Method

applies to an Alarm instance, even if it is not currently in the Active State . Table 70 specifies the AddressSpace representation for the PlaceInService2 Method . Table 70 - PlaceInService2 Method AddressSpace
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.16 GetGroupMemberships Method

applies to an Alarm instance, even if it is not currently in the Active State . Table 72 specifies the AddressSpace representation for the GetGroupMemberships Method . Table 72 - GetGroupMemberships Method AddressSpace
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.17.4 TimedShelve Method

TimedShelve Method The TimedShelve Method sets the instance of AlarmConditionType to the TimedShelved state (parameters are defined in Table 81 and result codes are described in Table 82 ). Normally ... will remain shelved for the Duration , unless it is changed to a different Shelving State . Signature TimedShelve( [in] Duration ShelvingTime ); The parameters are defined in Table 81 Table 81 - TimedShelve
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.9.4 DataSetMetaData

operation. If the update cannot be retrieved in the duration of the MessageReceiveTimeout , the State of the DataSetReader shall change to Error . The related PublishedDataSet is defined ... DataSetReader and when the DataSetMetaData is updated . The DataSetReader should go into Error state if the verification fails. If the DataSetMetaData contains an empty fields array, the DataSetReader is configured
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.9.6 MessageReceiveTimeout

MessageReceiveTimeout is the maximum acceptable time between two DataSetMessages . The time starts when the state of the DataSetReader changes to Operational . If there is no new DataSetMessage received within this ... period, the DataSetReader State shall be changed to Error until the next DataSetMessage is received. The DataSetMessages that reset the period include keep-alive and heartbeat messages. A DataSetMessage
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.4.2.2.2 AuthenticationProfileUri

cannot fine a suitable authentication mechanism in the ProfileUri array, the transport sets the State of the PubSubConnection is set to Error
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.1 PubSubStatusType

BrowseName DataType TypeDefinition ModellingRule Subtype of BaseObjectType defined in OPC 10000-5 . HasComponent Variable State PubSubState BaseDataVariableType Mandatory HasComponent Method Enable Defined in 9.1.10.2 . Optional HasComponent Method Disable Defined ... Optional Conformance Units PubSub Model Base The State Variable provides the current operational state of the PubSub Object . The default value is Disabled . The PubSubState Enumeration and the related state
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.2 Enable Method

Enable Method This Method is used to enable a configured PubSub Object . The related state machine and the transitions triggered by a successful call to this Method are defined ... Server shall reject Enable Method calls if the current State is not Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking this Method
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.10.3 Disable Method

Disable Method This Method is used to disable a PubSub Object . The related state machine and the transitions triggered by a successful call to this Method are defined ... Server shall reject Disable Method calls if the current State is Disabled . The Client shall be authorized to modify the configuration for the PubSub functionality when invoking this Method
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.3 Definition of state machine

Definition of state machine The infrastructure of state machines defined in this specification only deals with the basics of state machines needed to support ... intention is to keep the base simple but extensible. For the state machines defined in this specification we assume that state machines are typed and instances of a type have
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.6 FiniteStateMachineType

States of the machine are represented with instances of the StateType ObjectType. Each State shall have a BrowseName which is unique within the StateMachine and shall have a StateNumber which ... parent machine. A concrete subtype of FiniteStateMachineType shall define at least one State . A StateMachine may define one State which is an instance of the InitialStateType . This State
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.7 FiniteStateVariableType

FiniteStateVariableType is a subtype of StateVariableType and is used to store the current state of a Finite StateMachine as a human readable name. The FiniteStateVariableType is formally defined in Table ... StateVariableType defined 4.4.3 HasProperty Variable Id NodeId PropertyType Mandatory Conformance Units Base Info Finite State Machine Instance Id is inherited from the StateVariableType and overridden to reflect the required DataType
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.10 InitialStateType

formally defined in Table 10 . An Object of the InitialStateType represents the State that a FiniteStateMachine enters when it is activated. Each FiniteStateMachine can have at most one State ... type InitialStateType , but a FiniteStateMachine does not have to have a State of this type. A SubStateMachine goes into its initial state whenever the parent state is entered. However
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.12 FromState

semantic of this ReferenceType is to point from a Transition to the starting State the Transition connects. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType ... ToTransition Symmetric False IsAbstract False References NodeClass BrowseName Comment Conformance Units Base Info Finite State Machine Instance
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.13 ToState

semantic of this ReferenceType is to point from a Transition to the ending State the Transition connects. The SourceNode of this ReferenceType shall be an Object of the ObjectType TransitionType ... directional. Sometimes this is required, for example, if a Transition points to a State of a sub-machine. The representation of the ToState ReferenceType in the AddressSpace is specified
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.16 HasSubStateMachine

subtype of NonHierarchicalReferences . The semantic of this ReferenceType is to point from a State to an instance of a StateMachineType which represents the sub-states for the State . The SourceNode ... Object can be the TargetNode of at most one HasSubStateMachine Reference . The SourceNode (the state) and the TargetNode (the SubStateMachine ) shall belong to the same StateMachine . Therefore, the SourceNode shall
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.17 TransitionEventType

LocalizedText StateVariableType Mandatory HasComponent Variable ToState LocalizedText StateVariableType Mandatory Conformance Units Base Info Finite State Machine Instance The TransitionEventType inherits the Properties of the BaseEventType . The inherited Property SourceNode shall ... Transition . Transition identifies the Transition that triggered the Event . FromState identifies the State before the Transition . ToState identifies the State after the Transition
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.18 AuditUpdateStateEventType

Property SourceNode shall be filled with the NodeId of the StateMachine instance where the State changed. If the State changed in a SubStateMachine , then the NodeId of the SubStateMachine ... Method prefixed with "Method/". OldStateId reflects the Id of the state prior the change. NewStateId reflects the new Id of the state after the change
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.4.19 Special Restrictions on subtyping StateMachines

Transitions is not defined. Therefore, the following rules apply for subtyping StateMachines . Each State and Transition defined on the supertype shall be available on the subtype as well. That ... each State defined on the supertype another Node of the same ObjectType having the same BrowseName and the same StateNumber shall be defined on the subtype. For each Transition defined
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.5.1 StateMachineType using inheritance

example "MyStateMachine". It has a Variable "CurrentState" representing the current State . The "MyStateMachine" Object only includes the Nodes which expose information specific
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.5.2 StateMachineType with a SubStateMachine using inheritance

Object of type "AnotherStateMachineType" it has a Variable representing the current State . Since it is used as an InstanceDeclaration , no value is assigned to this Variable . An Object ... MyStateMachineType", called "MyStateMachine" has Variables for the current State , but also has an Object "MySubMachine" and a Variable representing the current state of the SubStateMachine
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.5.4 Example of a StateMachine having Transition to SubStateMachine

ToState References uni-directional, that is, only pointing from the Transition to the State and not being able to browse to the other direction. If a Transition points from ... State of a SubStateMachine to a State of another sub-machine, both, the FromState and the ToState Reference , are handled uni-directional. A Client shall be able to handle
OPC-10000-16 – OPC Unified Architecture - Part 16: State Machines

4.6.2 ChoiceStateType

formally defined in Table 20 . An Object of the ChoiceStateType represents a pseudo state that is directly exited when it is entered. The Guards defined on the Transitions from ... simplified representation of a robot. When the StateMachine is in the S1_Initial state, calling the Load() Method loads a program to the robot and triggers the Transition into
OPC-10000-22 – OPC Unified Architecture - Part 22: Base Network Model

5.2.7 IIeeeBaseTsnStreamType Interface

Variable StreamId Byte[8] BaseDataVariableType Mandatory HasComponent Variable StreamName String BaseDataVariableType Mandatory HasComponent Variable State TsnStreamState BaseDataVariableType Mandatory HasComponent Variable AccumulatedLatency UInt32 BaseDataVariableType Optional HasComponent Variable SrClassId Byte BaseDataVariableType Optional ... multiple applications use the network segment, they need to agree on a naming scheme. State represents the current state of the TSN configuration process of a TSN stream. The TsnStreamState
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.2 EstablishConnections signature

combination of command bits set in CommandMask cannot be processed in the current state of the AutomationComponent . Bad_TooManyOperations The requested number of Connections to establish exceeds the MaxConnectionsPerCall capability ... have enough resources to add the entire PubSub configuration. Bad_InvalidState The current State of the Object does not allow a configuration change. Bad_NothingToDo The ConfigurationReferences array is null
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.7.5.2 ProcessConnectionConfigurationSets signature

defined in Table 86 . Table 86 - Results StatusCodes Result Code Description Good Changing the State succeeded for the ConnectionConfigurationSet . Bad_NodeIdInvalid The syntax of the NodeId is not valid ... trigger the processing of this ConnectionConfigurationSet . Bad_InvalidState The ConnectionConfigurationSet is in a State that does not allow it to be triggered for processing. The ProcessConnectionConfigurationSets Method representation
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.8.2 ConnectionConfigurationSetType definition

ToConnectionEndpointConfiguration True 4:<Connection> 4:Endpoint2 ConnectionConfigurationSetStateMachine contains the current State of this ConnectionConfigurationSet . See 6.9 for a formal definition of the state machine. If Edit is present ... details on how to update the value. For a ConnectionManager that is monitoring the state of Connections and supports ConnectionManagerLog , the change of state of all Connections should be logged
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.9.2 ConnectionConfigurationSetStateMachineType definition

ProcessingToError 0:TransitionNumber 3 4:ErrorToProcessing 0:TransitionNumber 4 Ready - A ConnectionConfigurationSet in this State may be processed by the ConnectionManager . Processing - A ConnectionConfigurationSet in this State indicates that ... ConnectionManager (i.e., Connections are being established). Internals of the processing executed in this State are described in 6.7.5 . Error - A ConnectionConfigurationSet in this State indicates an error has occurred during
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.7 ConnectionConfigurationSetProcessingStartedEventType

ConnectionConfigurationSetProcessingStartedEventType This EventType is generated by a ConnectionConfigurationSetStateMachine upon transition from the Ready State to the Processing State as a result of a ConnectionManager starting to process the ConnectionConfigurationSet
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.8 ConnectionConfigurationSetProcessingSucceededEventType

Event of this EventType is generated by a ConnectionConfigurationSetStateMachineType upon transition from the Processing State to the Ready State after successful completion of the Connection establishment. Its representation
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

8.9 ConnectionConfigurationSetProcessingFailedEventType

ConnectionConfigurationSetProcessingFailedEventType This EventType is generated by a ConnectionConfigurationSetStateMachineType upon transition from the Processing State to the Error State as a result of encountering an error during Connection establishment. Its representation