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3 result(s) for RelatedTo
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OPC-10000-4 – OPC Unified Architecture - Part 4: Services7.7.3 FilterOperatorevaluates to a Boolean value unless the operator is a Cast or a nested RelatedTo operator. Operands that resolve to an ordered value are restricted to the DataTypes Byte , Int16 ... NodeId that identifies an ObjectType or VariableType Node, this operation shall always be False. RelatedTo 15 6 TRUE if the target Node is of type operand[0] and is related
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OPC-10000-4 – OPC Unified Architecture - Part 4: ServicesB.2.3 QueryFirstconstructed for limiting the instances that supply data. A filtering path can include multiple RelatedTo operators to define a multi-hop path between source instances and target instances. For example ... limit the result set is by specifying how instances should be related, using RelatedTo operators. In this case, if an instance at the top of the RelatedTo path cannot
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OPC-10000-4 – OPC Unified Architecture - Part 4: ServicesB.3.4 Example 1Example 1 ContentFilter Element[] Operator Operand[0] Operand[1] Operand[2] Operand[3] 1 RelatedTo AttributeOperand = NodeId: PersonType, BrowsePath ".", Attribute: NodeId ElementOperand = 2 AttributeOperand = NodeId: HasPet, BrowsePath ... Attribute: NodeId LiteralOperand = '1' 2 RelatedTo AttributeOperand = NodeId: AnimalType, BrowsePath ".", Attribute: NodeId AttributeOperand = NodeId: ScheduleType, BrowsePath ".", Attribute: NodeId AttributeOperand = NodeId: HasSchedule, BrowsePath ".", Attribute: NodeId