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5 result(s) for ConditionRefresh

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.6.2.2 RedundantServerSet Requirements
  handle EventIds that are not synchronized. Following any Failover the Client shall call ConditionRefresh defined in OPC 10000-9 . Timestamp (Source/Server): If a Server is exposing data from a downstream
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.5 Condition state synchronization
  required to maintain an Event history. Clients request a Refresh by calling the ConditionRefresh Method . The Server will respond with a RefreshStartEventType Event . This Event is followed by the Retained ... since they no longer apply. The following items should be noted with regard to ConditionRefresh: As described in 4.4 some systems require that previous states of a Condition are preserved
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.7 ConditionRefresh Method
  ConditionRefresh Method ConditionRefresh allows a Client to request a Refresh of all Condition instances that currently are in an interesting state (they have the Retain flag set). This includes previous ... ObjectId shall be the well-known NodeId of the ConditionType ObjectType . Signature ConditionRefresh( [in] IntegerId SubscriptionId ); The parameters are defined in Table 18 Table 18 - ConditionRefresh parameters Argument Description SubscriptionId
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.8 ConditionRefresh2 Method
  associated with the given Monitored item. In all other respects it functions as ConditionRefresh. A Client would typically invoke this Method when it initially connects to a Server and following ... provide the Method . If the Method returns Bad _ MethodInvalid , the Client shall revert to ConditionRefresh . Signature ConditionRefresh2( [in] IntegerId SubscriptionId [in] IntegerId MonitoredItemId ); The parameters are defined in Table
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  D.2.7 Condition Refresh
  Wrapper does not store the state of Condition s. When ConditionRefresh is called the Refresh Method is called on all COM AE Subscription s associated with the ConditionRefresh call