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• OPC-10000-100 – OPC Unified Architecture - Part 100: Devices
  6.3.1 General
  between offline nodes and the physical device in correct order is supported through TransferToDevice , TransferFromDevice together with FetchTransferResultData . These Methods are exposed by means of an AddIn instance of TransferServicesType
• OPC-10000-100 – OPC Unified Architecture - Part 100: Devices
  6.4.5 TransferFromDevice Method
  TransferFromDevice Method TransferFromDevice initiates the transfer of values from the physical device to corresponding Parameters in the offline representation of the Device . This Method has no input arguments. Which Parameters ... below. Table 56 and Table 57 specify the arguments and AddressSpace representation, respectively. Signature TransferFromDevice( [out] 0:Int32 TransferID, [out] 0:Int32 InitTransferStatus); Table 56 - TransferFromDevice Method arguments Argument Description
• OPC-10000-100 – OPC Unified Architecture - Part 100: Devices
  6.4.6 FetchTransferResultData Method
  FetchTransferResultData Method The TransferToDevice and TransferFromDevice Methods execute asynchronously after sending a response to the Client . Execution status and execution results are collected during execution and can be retrieved using ... Table 58 - FetchTransferResultData Method arguments Argument Description TransferID Transfer Identifier returned from TransferToDevice or TransferFromDevice . SequenceNumber The sequence number being acknowledged. The Server can delete the result set with this