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7 result(s) for ConditionBranch

• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  3.1.8 ConditionBranch
  ConditionBranch specific state of a Condition Note 1 to entry: The Server can maintain ConditionBranches for the current state as well as for previous states
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.2 Conditions
  introduced to deal with this requirement and distinguish current state and previous states. Each ConditionBranch has a BranchId that differentiates it from other branches of the same Condition instance ... ConditionBranch which represents the current state of the Condition (the trunk) has a NULL BranchId. Server s can generate separate Event Notifications for each branch. When the state represented
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  4.5 Condition state synchronization
  completion of the Refresh. Clients shall check for multiple Event Notifications for a ConditionBranch to avoid overwriting a new state delivered together with an older state from the Refresh process ... ConditionBranch exists, then the current Condition shall be reported. This is True even if the only interesting item regarding the Condition is that ConditionBranches exist. This allows a Client
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.2 ConditionType
  this Condition instance that still needs attention by an Operator . If the current ConditionBranch is transformed into a previous ConditionBranch then the Server shall assign a non-NULL BranchId ... initial Event for the branch shall be generated with the values of the ConditionBranch and the new BranchId . The ConditionBranch can be updated many times before it is no longer
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.3 Condition and branch instances
  sending the last Event (i.e. the same EventId and Time is sent). A ConditionBranch is a copy of the Condition instance state that can change independently of the current Condition
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.7 ConditionRefresh Method
  part of the Refresh request. Clients shall check for multiple Event Notifications for a ConditionBranch to avoid overwriting a new state delivered together with an older state from the Refresh
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  5.5.8 ConditionRefresh2 Method
  part of the Refresh request. Clients shall check for multiple Event Notifications for a ConditionBranch to avoid overwriting a new state delivered together with an older state from the Refresh