6.3.1.3 SNRequestUnallocated Method

SNRequestUnassigned –This method requests unallocated serial numbers from an OPC UA Server that is performing serial number management for a specific Serial Number Pool.

The signature of this Method is specified below. Table 7 and Table 8 specify the Arguments and AddressSpace representation, respectively.

Signature 

	SNRequestUnallocated (
		[in]	String				SNCollectionID
	[in]	UInt32				Count
	[in]	String				SNFormat
	[in]	OPENSCSKeyValueDataType[]	PoolSelectionCriteria
	[in]	String			   	RequestToken
	[out]	OPENSCSReturnEnum	   	ReturnStatus
	[out]	OPENSCSSNCollectionDataType 	SNCollection
	[out]	String			   	ReturnedRequestToken
	);
Table 7 – SNRequestUnallocated Method Arguments
Argument Description
SNCollectionIDSee 6.3.1.2.
CountSee 6.3.1.2.
SNFormatSee 6.3.1.2.
PoolSelectionCriteriaSee 6.3.1.2.
RequestTokenSee 6.3.1.2.
ReturnStatusSee 6.3.1.2.
SNCollectionSee 6.3.1.2.
ReturnedRequestTokenSee 6.3.1.2.

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

Table 8 – SNRequestUnallocated Method AddressSpace Definition
Attribute Value
BrowseNameSNRequestUnallocated
IsAbstractTrue
References NodeClass BrowseName DataType TypeDefinition ModellingRule
0:HasPropertyVariableInputArgumentsArgument[]0:PropertyTypeMandatory
0:HasPropertyVariableOutputArgumentsArgument[]0:PropertyTypeMandatory