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9 result(s) for Retain

• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  3.1.17 Retain
  Retain Alarm in a 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
  4.2 Conditions
  need further attention, a final Event Notification for this branch will have the Retain Property set to False. Clause 5.5 provides more information and use cases. Maintaining previous states
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.2 ConditionType
  HasProperty Variable ConditionName String PropertyType Mandatory HasProperty Variable BranchId NodeId PropertyType Mandatory HasProperty Variable Retain Boolean PropertyType Mandatory HasProperty Variable SupportsFilteredRetain Boolean PropertyType HasComponent Variable EnabledState LocalizedText TwoStateVariableType Mandatory HasComponent ... needed. When the ConditionBranch no longer requires Operator input the final Event will have Retain set to False. The retain bit on the current Event is True, as long
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.7 ConditionRefresh Method
  Condition instances that currently are in an interesting state (they have the Retain flag set). This includes previous states of a Condition instance for which the Server maintains Branches
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.8 ConditionRefresh2 Method
  Condition instances that currently are in an interesting state (they have the Retain flag set) that are associated with the given Monitored item. In all other respects it functions
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.14.2 Communication problems
  Conditions for which the failure applies, the effected Conditions generate an Event, if the Retain field is set to True. These Events shall have their Event fields that are associated
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  B.1.4 Server current-State Model with Suppression
  OutOfServiceState = True). The events shown in green are delivered to the Client . The Retain column indicates the global value of the Retain flag. The "Retain sent" column indicates ... notification if SupportsFilteredRetain is True. If SupportsFilteredRetain is False the value from the Retain column is sent. Figure B.3 - SuppressedState and OutOfServiceState example Table B.3 - Example of a Condition that
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  Annex C Mapping to EEMUA (Informative)
  raised again it appears on the Alarm list in the normal way. Reset Retain = False An Alarm is Reset when it is in a state that can be removed from ... Display list. OPC UA includes Retain flag which as part of its definition states: "when a Client receives an Event with the Retain flag set to False, the Client
• OPC-10000-110 – OPC Unified Architecture - Part 110: Asset Management Basics
  12.1 Overview
  information can already be provided to the Client . In this case, the 0: Retain Property of the condition shall be set to true, allowing Clients to access the information. Using