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Scope: Core (OPC-10000-*) All specs

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OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.2 AlarmConditionType

instance(s) of AlarmGroupType (or subtype of it). Each instance is an AlarmSuppressionGroup. When an AlarmSuppressionGroup goes active, the Server shall set the SuppressedState of the Alarm containing the HasAlarmSuppressionGroup ... longer active, then the Server shall set SuppressedState to False. A single AlarmSuppressionGroup can manage multiple Alarms . AlarmSuppressionGroups are used to control Alarm floods and to help manage Alarms . ReAlarmTime