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

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

5.1 General

even though the target node does not exist in the AddressSpace. For example, an AlarmGroup might reference a number of Conditions that do not exist in the AddressSpace. The following
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.5 AlarmGroupMember ReferenceType

This ReferenceType is used to indicate the Alarm instances that are part of an Alarm Group . The representation in the AddressSpace is specified in Table 6 The SourceNode ... NodeClass BrowseName Comment ConformanceUnits A & C Suppression Group A & C First in Group Alarm
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.4.6 AlarmSuppressionGroupMember ReferenceType

used to indicate the Alarm instances or Boolean Variables that are part of an Alarm Group . The representation in the AddressSpace is specified in Table 7 The SourceNode
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.4 AlarmSuppressionGroupType

subtype of AlarmGroupType that can be used to suppress other alarms. This subtype of AlarmGroup extends the AlarmGroupType to allow the addition of Variables that have a Boolean DataType