Siemens SINUMERIK 840D sl Function Manual page 46

Detailed description
2.2 Functions
Note
Following NC-CPU ramp-up in commissioning mode (NCK commissioning switch:
position 1) the passwords for protection levels 1 – 3 are reset to the default settings. For
reasons of data protection, we strongly recommend that you change the default settings.
2.2.5.3 Keyswitch settings (DB10, DBX56.4 to 7)
Key switch
The keyswitch has four positions, to which protection levels 4 to 7 are assigned. The
keyswitch comprises a number of keys in a variety of colors, which can be set to different
switch positions.
Figure 2-10
Switch positions
Switch position 0 has the most restricted access rights. Switch position 3 has the least
restricted access rights.
DB10, DBX56.4 / .5 / .6 / .7 (switch positions 0 / 1 / 2 / 3)
Machine-specific enables for access to programs, data and functions can be assigned to the
switch positions. For detailed information, please refer to:
References
/IAM/ Startup CNC Part 2 (HMI); Access Protection
40
Switch positions 0 to 3
Basic logic functions: Various NC/PLC interface signals and functions (A2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0