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• OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts
  3.2 Specification parts
  data access. Part 9 ( OPC 10000-9 ) - Alarms and Conditions Part 9 specifies use of OPC UA support for access to Alarms and Conditions . The base system includes support ... simple Events ; this specification extends that support to include support for Alarms and Conditions . Part 10 ( OPC 10000-10 ) - Programs Part 10 specifies OPC UA support for access to Programs
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  1 Scope
  Scope This document specifies the representation of Alarms and Conditions in the OPC Unified Architecture. Included is the Information Model representation of Alarms and Conditions in the OPC UA address ... captured in standards such as IEC 62682 and ISA 18.2 . The Alarms and Conditions Information Model in this document, is designed in accordance with IEC 62682 and ISA 18.2 . Annex
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  3.1.17 Retain
  state that is interesting for a Client wishing to synchronize its state of Conditions with the Server 's state
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.1 General
  General This document defines an Information Model for Conditions , Dialog Conditions , and Alarms including acknowledgement capabilities. It is built upon and extends base Event handling which is defined ... Profiles (see 10000-7 for Profile definitions). Some systems may expose historical Events and Conditions via the standard Historical Access framework (see 10000-11 for Historical Event definitions
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.2 Conditions
  Conditions Conditions are used to represent the state of a system or one of its components. Some common examples are: a temperature exceeding a configured limit a device needing maintenance ... This is independent of whether they are exposed in the AddressSpace . As mentioned above, Conditions represent the state of a system or one of its components. In certain cases, however
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.5 Condition state synchronization
  Server will respond with a RefreshStartEventType Event . This Event is followed by the Retained Conditions . The Server may also send new Event Notifications interspersed with the Refresh related Event Notifications ... Condition state. A Client that wishes to display the current status of Alarms and Conditions (known as a "current Alarm display") would use the following logic to process
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.6 Severity, quality, and comment
  Severity, quality, and comment Comment , Severity and Quality are important elements of Conditions and any change to them will cause Event Notification s. The severity of a Condition is inherited
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.10 Condition instances in the AddressSpace
  Condition instances in the AddressSpace Because Conditions always have a state ( Enabled or Disabled ) and possibly many sub-states it makes sense to have instances of Conditions present
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.1 General
  exist in the AddressSpace. For example, an AlarmGroup might reference a number of Conditions that do not exist in the AddressSpace. The following sub clauses define the OPC UA Alarm
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.1 General
  concept of states differentiating it from the base Event model. Unlike the BaseEventType , Conditions are not transient. The ConditionType is further extended into Dialog and AcknowledgeableConditionType , each of which
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.2 ConditionType
  Variable with a Value that is an RPM, may be the ConditionSource for Conditions that are related to the motor as well as a temperature sensor associated with the motor ... AlarmManager , the AlarmManager shall recover the Enabled / Disabled states of all current conditions. If the system can not determine if the Condition is Enabled or Disabled , it shall be Enabled
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.3 Condition and branch instances
  Condition and branch instances Conditions are Objects which have a state which changes over time. Each Condition instance has a ConditionId as an identifier which uniquely identifies it within ... have the same ConditionId . This allows higher level alarm management systems to operate on Conditions and to perform analysis of them. A Condition instance may be an Object that appears
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.7 ConditionRefresh Method
  copies shall contain the same EventId . The Server issues Event Notifications of any Retained Conditions and Retained Branches of Conditions that meet the Subscriptions content filter criteria. Note that
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.8 ConditionRefresh2 Method
  Notifier MonitoredItem in the Subscription . The Server issues Event Notifications of any Retained Conditions and Retained Branches of Conditions that meet the Subscriptions content filter criteria. Note that the EventId
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.6.2 DialogConditionType
  DialogConditionType The DialogConditionType is used to represent Conditions as dialogs. It is illustrated in Figure 12 and formally defined in Table 24 and Table 25 . Figure 12 - DialogConditionType Overview Table
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.7.4 Confirm Method
  False can be confirmed. Comment A localized text that shall be applied to the Conditions . Method result codes in Table 38 (defined in Call Service) Table 38 - Confirm result codes
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.2 AlarmConditionType
  representing a situation that has returned to a normal state. The transitions of Conditions to the inactive and Active states are triggered by Server specific actions. Subtypes of the AlarmConditionType
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.3 Unshelve2 Method
  Method parameters Argument Description Comment A localized text that shall be applied to the Conditions . If the Comment argument is NULL (both locale and text are empty) it shall
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.8.17.7 OneShotShelve2 Method
  Method parameters Argument Description Comment A localized text that shall be applied to the Conditions . If the Comment argument is NULL (both locale and text are empty) it shall
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.1 Overview
  Overview Conditions are used in specific application domains like Maintenance, System or Process. The ConditionClass hierarchy is used to specify domains and is orthogonal to the ConditionType hierarchy. The ConditionClassId
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.3 ProcessConditionClassType
  ProcessConditionClassType The ProcessConditionClassType is used to classify Conditions related to the process itself. Examples of a process would be a control system in a boiler or the instrumentation associated with
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.4 MaintenanceConditionClassType
  MaintenanceConditionClassType The MaintenanceConditionClassType is used to classify Conditions related to maintenance. Examples of maintenance would be Asset Management systems or conditions, which occur in process control systems, which are related
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.5 SystemConditionClassType
  SystemConditionClassType The SystemConditionClassType is used to classify Conditions related to the System. It is formally defined in Table 116 . System Conditions occur in the controlling or monitoring system process. Examples
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.6 SafetyConditionClassType
  SafetyConditionClassType The SafetyConditionClassType is used to classify Conditions related to safety. It is formally defined in Table 117 . Safety Conditions occur in the controlling or monitoring system process. Examples
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.7 HighlyManagedAlarmConditionClassType
  suppression or any number of other special behaviours. The HighlyManagedAlarmConditionClassType is used to classify Conditions as highly managed Alarms . It is formally defined in Table 118 . Table 118 - HighlyManagedAlarmConditionClassType definition
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.8 TrainingConditionClassType
  TrainingConditionClassType The TrainingConditionClassType is used to classify Conditions related to training system or training exercises. It is formally defined in Table 119 . These Conditions typically occur in a training system ... generated as part of a simulation for a training exercise. Training Conditions might be process or system conditions. It is expected that other standards groups or vendors will define domain
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.9 StatisticalConditionClassType
  StatisticalConditionClassType The StatisticalConditionClassType is used to classify Conditions related that are based on statistical calculations. It is formally defined in Table 120 . These Conditions are generated as part
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.9.10 TestingConditionClassType
  TestingConditionClassType The TestingConditionClassType is used to classify Conditions related to testing of an Alarm system or Alarm function. It is formally defined in Table 121 . Testing Conditions might include
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.10.6 AuditConditionAcknowledgeEventType
  AuditConditionAcknowledgeEventType This EventType is used to indicate acknowledgement or confirmation of one or more Conditions . It is formally defined in Table 126 . Table 126 - AuditConditionAcknowledgeEventType definition Attribute Value BrowseName AuditConditionAcknowledgeEventType
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.12 HasCondition Reference type
  semantic of this ReferenceType is to specify the relationship between a ConditionSource and its Conditions . Each ConditionSource shall be the target of a HasEventSource Reference or a sub type ... HasEventSource . The AddressSpace organisation that shall be provided for Clients to detect Conditions and ConditionSources is defined in Clause 6 . Various examples for the use of this ReferenceType
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.13 Alarm & Condition status codes
  Alarm & Condition status codes Table 137 defines the StatusCodes defined for Alarm & Conditions . Table 137 - Alarm & Condition result codes Symbolic Id Description Bad_ConditionAlreadyEnabled The addressed Condition
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.14.2 Communication problems
  value of NULL and a StatusCode of Bad_CommunicationError. For Subscription s that contain Conditions for which the failure applies, the effected Conditions generate an Event, if the Retain field
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.14.3 Redundant A & C servers
  Servers , it shall be identical. This applies to all standard Event s, Alarms and Conditions . This may be accomplished by sharing of information between redundant Server (such as actual Event
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  6.1 General
  General The AddressSpace organisation described in this Clause allows Clients to detect Conditions and ConditionSources . An additional hierarchy of Object Nodes that are notifiers may be established to define
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  6.3 Adding Conditions to the hierarchy
  Adding Conditions to the hierarchy HasCondition is used to reference Conditions . The Reference is from a ConditionSource to a Condition instance or - if no instance is exposed by the Server ... ConditionType . Clients can locate Conditions by first browsing for ConditionSources following HasEventSource References (including sub-types like the HasNotifier Reference ) and then browsing for HasCondition References from all target Nodes
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  6.4 Conditions in InstanceDeclarations
  Conditions in InstanceDeclarations Figure 28 shows the use of the HasCondition Reference and the HasEventSource Reference in an InstanceDeclaration . They are used to indicate what References and Conditions are available
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  B.2 AddressSpace examples
  HasCondition References to expose the organization of areas and sources with their associated Conditions . This hierarchy is additional to a hierarchy provided with Organizes and Aggregates References . Figure B.5 illustrates ... Reference with Condition instances. Figure B.5 - HasCondition used with Condition instances In systems where Conditions are not available as instances, the ConditionSource can reference the ConditionTypes instead. This is illustrated
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  D.1 Overview
  existing A&E COM Clients and Servers to connect to UA Alarms and Conditions components. Simply stated, there are two aspects to the migration strategy. The first aspect enables ... Alarms and Conditions Client to connect to an existing Alarms and Event s COM Server via a UA Server wrapper. This wrapper is notated from this point forward
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  D.2.3 Event categories
  TRIP TripAlarmType There is no generic mapping defined for A&E COM sub- Conditions . If an Event Category is mapped to a LimitAlarmType then the sub Condition name
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  D.3.1 General
  Server combined with a UA Client . It maps the Alarms and Conditions address space of UA A & C Server into the appropriate COM Alarms and Event Object s. Subclauses
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  D.3.3 Event Type mapping
  D.3.3 Event Type mapping Since all Alarms and Conditions Event s belong to a subtype of BaseEventType , the A&E COM UA Proxy maps the subtype as received from
• OPC-10000-26 – Part 26: LogObject - Part 26: LogObject Model
  6.1 Concepts
  Object receives that have a ConditionClassId or SubConditionClassId of LogEntryConditionClass . For example, since Events / Conditions / Alarms instance can be defined by PLC programs and exposed in a Server , the LogObject
• OPC-10000-100 – OPC Unified Architecture - Part 100: Devices
  4.12.2 DeviceHealthDiagnosticAlarmType
  DeviceHealthDiagnosticAlarmType The DeviceHealthDiagnosticAlarmType is a specialization of the InstrumentDiagnosticAlarmType intended to represent abnormal device conditions as defined by NAMUR NE 107. This type can be used in filters for monitored ... Subtype of the 0:InstrumentDiagnosticAlarmType defined in OPC 10000-9 . Conformance Units DI HealthDiagnosticsAlarm Conditions of subtypes of DeviceHealthDiagnosticAlarmType become active when the device enters the corresponding abnormal state
• OPC-30020 – MDIS OPC UA Companion Specification
  4.3.4.1 Concepts
  Condition specification (see OPC 10000-9 ) defines a standard InformationModel for Alarms and Conditions . The Programs specification (see OPC 10000-10 ) defines a standard InformationModel for extending the functionality available
• OPC-30030 – OPC UA for BACnet - BACnet: OPC UA Information Model
  9.3.1 ObjectType definition
  State is used to determine the active state of BACnetFaultNotificationType and BACnetEventNotificationType Conditions
• OPC-40010-1 – OPC UA for Robotics - Part 1: Vertical Integration
  7.11.1 Overview
  system level and is formally defined in Table 42 . Robot systems may have conditions that must be acknowledged before some operational commands can be executed. The system has two possibilities ... enable the Client to acknowledge conditions. By exposing at least one instance of AcknowledgeableConditionType inside the Server's AddressSpace located within the Conditions folder as defined in the ConformanceUnit RobAckCondInstance
• OPC-40010-1 – OPC UA for Robotics - Part 1: Vertical Integration
  7.11.2 SystemOperationType definition
  defined in OPC 10000-5. 0:HasComponent Object SystemOperationStateMachine SystemOperationStateMachineType M 0:HasComponent Object Conditions 0:FolderType O 0:HasProperty Variable 0:DefaultInstanceBrowseName 0:QualifiedName 0:PropertyType ConformanceUnits Rob System ... controller at the system level. The SystemOperationStateMachineType is inherited from the OperationStateMachineType. The folder Conditions (part of the ConformanceUnit RobAckCondInstance ) provides instances of AcknowledgeableConditionType for the acknowledgement of single conditions
• OPC-40010-1 – OPC UA for Robotics - Part 1: Vertical Integration
  7.12 SystemOperationStateMachineType
  call, the transition might not occur immediately (e.g. it will be delayed until internal conditions are met). Figure 22 - SystemOperationStateMachine. Figure 23 - SystemOperationStateMachineType. The SystemOperationStateMachineType is formally defined in Table ... HasSubStateMachine Object ExecutingSubstateMachine ExecutingSubstateMachineType O To acknowledge the state changes in a system the Conditions within the Conditions folder of SystemOperationType must be taken under consideration. A client might need
• OPC-40100-1 – OPC UA for Machine Vision - Part 1: Control, configuration management, recipe management, result management
  8.2.6.4 Error State
  occurred which disrupts normal operation. The system issues messages (in the form of Conditions ) informing clients about the error; it awaits acknowledgement of these messages, i.e., the information that some ... requirements on Acknowledgement and Confirmation have been fulfilled. For details on signaling error conditions and on error resolution behavior see Section 11.4.6 . This state can be a composite state with
• OPC-40100-2 – OPC UA for Machine Vision - Part 2: Asset Management and Condition Monitoring
  7.4 VisionHealthInfoType ObjectType Definition
  Device Model. The DeviceHealthAlarms folder shall organize the Alarms and Conditions related to the item if these Alarms and Conditions are instantiated in the address space
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.1 OperatorConditionClassType
  OperatorConditionClassType The OperatorConditionClassType is used to classify Conditions related to a human operator on the machine. An example of an operator interaction would be pressing a button
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.2 UtilityConditionClassType
  UtilityConditionClassType The UtilityConditionClassType is used to classify Conditions related to a utility need. This might for example be a utility that has to be exchanged or refilled. The UtilityConditionClassType
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.3 ClampingConditionClassType
  ClampingConditionClassType The ClampingConditionClassType is used to classify Conditions that indicate that a workpiece is being clamped within the machine's workspace. The ClampingConditionClassType is formally defined in Table 92 . Table
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.4 ManualProcessStepConditionClassType
  ManualProcessStepConditionClassType The ManualProcessStepConditionClassType is used to classify Conditions that indicate a manual process step (e.g., cleaning the working area of chips during the manufacturing process). The ManualProcessStepConditionClassType is formally defined
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.5 MeasurementConditionClassType
  MeasurementConditionClassType The MeasurementConditionClassType is used to classify Conditions that indicate a measuring step in the process. The MeasurementConditionClassType is formally defined in Table 94 . Table 94 - MeasurementConditionClassType Definition Attribute Value
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.6 PartMissingConditionClassType
  PartMissingConditionClassType The PartMissingConditionClassType is used to classify Conditions that indicate that part(s) still need to be placed in the machine. The PartMissingConditionClassType is formally defined in Table 95 . Table
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.7 ProcessIrregularityConditionClassType
  ProcessIrregularityConditionClassType The ProcessIrregularityConditionClassType is used to classify Conditions that indicate an irregularity in the machining process (e.g., indicated by sensor readings outside the normal operation range) The ProcessIrregularityConditionClassType is formally
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.8 ToolBreakageConditionClassType
  ToolBreakageConditionClassType The ToolBreakageConditionClassType is used to classify Conditions that indicate a detected broken tool. The ToolBreakageConditionClassType is formally defined in Table 97 . Table 97 - ToolBreakageConditionClassType Definition Attribute Value BrowseName ToolBreakageConditionClassType
• OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management
  10.9 ToolChangeConditionClassType
  ToolChangeConditionClassType The ToolChangeConditionClassType is used to classify Conditions related to a tool change. The ToolChangeConditionClassType is formally defined in Table 98 . Table 98 - ToolChangeConditionClassType Definition Attribute Value BrowseName ToolChangeConditionClassType IsAbstract