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 78 and Table 79 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 78 – 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. |
|
signalIdList |
It 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. |
|
status |
It provides the status of the Method execution. Refer 7.2.3 for details. |
|
statusMessage |
It provides the high-level status information in a user-friendly text. |
Table 79 – GetIOSignals Method AddressSpace Definition
|
Attribute |
Value |
||||
|
BrowseName |
GetIOSignals |
||||
|
References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
ModellingRule |
|
0:HasProperty |
Variable |
0:InputArguments |
0:Argument[] |
0:PropertyType |
0:Mandatory |
|
0:HasProperty |
Variable |
0:OutputArguments |
0:Argument[] |
0:PropertyType |
0:Mandatory |