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

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

5.8.17.1 Overview

event of a restart of an AlarmManager , the AlarmManager should recover the ShelvedStateMachine. If the system cannot determine if the state of the ShelvedStateMachine for a given alarm instance ... ShelvedStateMachine shall be set to Unshelved . All but two transitions are caused by Method calls as illustrated in Figure 16 . The "Time Expired" transition is simply a system