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6.3.3.2 AggregationUnpackingEvent Method

AggregationUnpackingEvent – This method is used to send unsolicited notification of Aggregation Unpacking events to an OPC Server that is performing aggregation management.

The signature of this Method is specified below. Table 45 and Table 46 specify the Arguments and AddressSpace representation, respectively.

Signature

AggregationUnpackingEvent (

[in] OPENSCSAggregationDataType[] AggregationElement

[in] String ParentSNFormat

[in] String PackedElementSNFormat

[in] OPENSCSKeyValueDataType[] AggregationContext

[out] OPENSCSReturnEnum ReturnStatus

);

Table 45 – AggregationUnpackingEvent Method Arguments

Argument

Description

AggregationElement

Specifies the parent element and the packed element collection that is to be removed from the parent element.

ParentSNFormat

See 6.3.3.1

PackedElementSNFormat

See 6.3.3.1

AggregationContext

See 6.3.3.1

ReturnStatus

See 6.3.3.1

Method Result Codes are defined as part of the Call service (see OPC 10000-4 and Table 95).

Table 46 – AggregationUnpackingEvent Method AddressSpace Definition

Attribute

Value

BrowseName

AggregationUnpackingEvent

IsAbstract

True

References

NodeClass

BrowseName

DataType

TypeDefinition

ModellingRule

0:HasProperty

Variable

InputArguments

Argument[]

0:PropertyType

Mandatory

0:HasProperty

Variable

OutputArguments

Argument[]

0:PropertyType

Mandatory

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