Siemens SINUMERIK 840Dsl Configuration Manual page 59

"CreateFile" method is called, is the "parent" node of the new file node. For specific information
for the described methods, check the Typedefinition in the OPC UA Specification Part 5.
Note
No multiple extensions supported
The methods "CreateFile","CopyFileToServer", "CopyFileFromServer" and "MoveOrCopy" will
not support files with multiple extensions (i.e. test.mpf.mpf).
Quintessence
In addition to the standard file system, two additional methods are provided for an easy to use
file transfer from server to client or vice versa.
Figure 5-10
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
Configuration Manual, 04/2018, 6FC5397-1DP41-0BA0
Methods for the file transfer
Functionality
5.5 File system
59