7.6.11 GetIOSignals

The Method GetIOSignals is used to get the list of available signals from the asset.

Note: Client can also subscribe to IOSignals variable in the address space to get the list of signals.

The signature of this Method is specified below. Table 82 and Table 83 specify the Arguments and AddressSpace representation, respectively.

Signature 

	GetIOSignals (
		[in]	0:String			productInstanceUri,
		[in]	0:TrimmedString[]		signalIdList,
		[out]	SignalDataType[]			signalList,
		[out]	0:Int64			status,
		[out]	0:LocalizedText			statusMessage)
Table 82 – GetIOSignals Method Arguments
Argument Description
productInstanceUri

With this argument the Client can provide the identifier of the asset on which this method is applicable.

It can be empty if the method is modelled directly under the required asset. If it is empty, the system can consider the identifier of the asset where the Server is running.

signalIdListIt is the list of signal identifiers requested. If it is empty, then all the available signals are returned from the asset.
signalList

It is the list of signals which are available in the asset based on the input signalIdList.

If the signalIdList is empty, then all the available signals are sent from the asset.

statusIt provides the status of the Method execution. Refer 7.4 for details.
statusMessageIt provides the high-level status information in a user-friendly text.
Table 83 – GetIOSignals Method AddressSpace Definition
Attribute Value
BrowseNameGetIOSignals
References Node Class BrowseName DataType TypeDefinition ModellingRule
0:HasPropertyVariable0:InputArguments0:Argument[]0:PropertyType0:Mandatory
0:HasPropertyVariable0:OutputArguments0:Argument[]0:PropertyType0:Mandatory