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3 result(s) for Attribute.

• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.8.6.1 Overview
  subtype of the DataType unless restricted in the NoSubDataTypes bit of the AccessLevelEx Attribute. In fields of a structure, using subtypes is allowed when IsOptional ... disallow subtypes. In order to use a SubtypeRestriction, the ValueRank and ArrayDimensions Attribute of the Variable using the SubtypeRestriction shall be compatible to all referenced Variables using AllowedSubtype
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  9.2 AlarmMetricsType
  metric information. The ObjectType is formally defined in Table 145 . Table 145 - AlarmMetricsType Definition Attribute Value BrowseName AlarmMetricsType IsAbstract False References NodeClass BrowseName DataType TypeDefinition Modelling Rule Subtype ... Object that has its "SubscribeToEvents" bit set within the EventNotifier Attribute. It will collect the Alarm metrics for all Alarm sources assigned to this notifier Object . For example
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  5.6.4 HistoricalEventNodes Address Space Model
  AddressSpace that expose historical Events . These Nodes are identified via the EventNotifier Attribute , and provide some historical subset of the Events generated by the Server . Each HistoricalEventNode is represented ... Events are available, a Client will look for the HistoryRead/HistoryWrite states in the EventNotifier Attribute . See OPC 10000-3 for details on the use of this Attribute. Figure 5 illustrates