TransferToDevice initiates the transfer of offline configured data (Parameters) to the physical device. This Method has no input arguments. Which Parameters are transferred is based on Server-internal knowledge.
The Server shall ensure integrity of the data before starting the transfer. Once the transfer has been started successfully, the Method returns immediately with InitTransferStatus = 0. Any status information regarding the transfer itself has to be collected using the FetchTransferResultData Method.
The Server will reset any cached value for Nodes in the online instance representing Parameters affected by the transfer. That way the cache will be re-populated from the Device next time they are requested.
TransferToDevice( [out] Int32 TransferID, [out] Int32 InitTransferStatus);
Table 45 – TransferToDevice Method arguments
|TransferID||Transfer Identifier. This ID has to be used when calling FetchTransferResultData.|
|InitTransferStatus||Specifies if the transfer has been initiated.
0 – OK
-1 – E_NotLocked – the Device is not locked by the calling Client
-2 – E_NotOnline – the Device is not online / cannot be accessed
Table 46 – TransferToDevice Method AddressSpace definition