Siemens SINUMERIK 840DE sl Commissioning Manual page 54

General settings
3.11 Access levels
Note
Access authorization is not automatically deleted at POWER ON.
3.11.3 Access levels for programs
Objective
Access levels can be allocated to protect information; they can also be used to prevent
unauthorized operation or deliberate damage to the control system or machine.
With access authorization levels to files and directories, it can be defined as to which users
are authorized to execute which operations on a directory or a file in a file system. Operations
in this sense include:
● Reading the contents of a file (READ), copying the file or placing the file in an archive.
● Changing the contents of a file (WRITE) or deleting the file.
● Executing a file (EXECUTE).
● Listing and displaying a file in a directory (SHOW).
● Creating a file in a directory.
● Displaying or reading the contents of a directory.
● Creating or deleting a directory.
Description of functions
The individual allocation of access rights acts, in the passive NC file system, on the following
directories:
● Part programs
● Subprograms
● Manufacturer cycle directory
● User cycle directory
● Workpieces directory
● Workpiece directories
Further, the function acts on the files of the main program type (*.mpf) and subprograms or
cycle (*.spf).
In addition, the technique can be expanded to include the following directories on the local
drive:
● Part programs
● Subprograms
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Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
SINUMERIK Operate (IM9)