Search

6 result(s) for Event Notification

• OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model
  6.4.2 BaseEventType
  Address Space Events EventId is generated by the Server to uniquely identify a particular Event Notification . The Server is responsible to ensure that each Event has its unique EventId
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.3 ConditionVariable
  However, a change in their value is considered important and supposed to trigger an Event Notification . These information elements are called ConditionVariable . ConditionVariables are represented by a ConditionVariableType, formally defined
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.2 ConditionType
  evaluation causes the Retain Property to transition to True for any ConditionBranch , then an Event Notification shall be generated for that ConditionBranch . The Server may choose to continue to test ... ConditionDisabled . When enabled, changes to the following Variables shall cause a ConditionType Event Notification : Quality Severity (inherited from BaseEventType ) Comment Subtypes of ConditionType may define additional Variables that trigger Event
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.7.2 AcknowledgeableConditionType
  more information about acknowledgement and confirmation models. The EventId used in the Event Notification is considered the identifier of this state and has to be used when calling the Methods ... handling of the AckedState and branches also applies to the ConfirmedState . In the event of a restart of an AlarmManager , the AlarmManager should recover the AckedState and ConfirmedState (if supported
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.7.3 Acknowledge Method
  Acknowledge Method The Acknowledge Method is used to acknowledge an Event Notification for a Condition instance state where AckedState is False. Normally, the NodeId of the object instance is passed ... Table 34 Table 34 - Acknowledge parameters Argument Description EventId EventId identifying a particular Event Notification . Only Event Notifications where AckedState/Id was False can be acknowledged. Comment A localized text that
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.7.4 Confirm Method
  Table 37 Table 37 - Confirm Method parameters Argument Description EventId EventId identifying a particular Event Notification . Only Event Notifications where the Id property of the ConfirmedState is False ... Event has a unique EventId . This allows Clients to identify and confirm a particular Event Notification . The EventId identifies a specific Event Notification with a confirmable state was reported