6.3.1.7 SNtoUnallocated Method

SNtoUnallocated – This method sends unsolicited serial numbers to be placed into the unallocated state to 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 15 and Table 16 specify the Arguments and AddressSpace representation, respectively.

Signature 

	SNtoUnallocated (
	[in]	OPENSCSSNCollectionDataType 	SNCollection
	[in]	OPENSCSKeyValueDataType[]	PoolSelectionCriteria
	[in]	String				SNFormat
	[out]	OPENSCSReturnEnum	  	ReturnStatus
	);
Table 15 – SNtoUnallocated Method Arguments
Argument Description
SNCollectionThe Serial Number Collection containing Serial Numbers.
PoolSelectionCriteria

Identified value to be used to identify the pool that unused Serial Numbers can be sent back to.

If the pool selection criteria is not known to the server, then an “Invalid selection Criteria” error is returned.

SNFormat

The serial number format of the pushed serial numbers.

If the Serial Number Format is not known to the method provider, then an “Invalid Serial Number Format” error is returned.

ReturnStatusReturns the status of the method execution.

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

Table 16 – SNtoUnallocated Method AddressSpace Definition
Attribute Value
BrowseNameSNtoUnallocated
IsAbstractTrue
References NodeClass BrowseName DataType TypeDefinition ModellingRule
0:HasPropertyVariableInputArgumentsArgument[]0:PropertyTypeMandatory
0:HasPropertyVariableOutputArgumentsArgument[]0:PropertyTypeMandatory