Siemens SINUMERIK 840D sl Commissioning Manual page 316

Fundamentals
15.6 Protection levels
Interlock
Protection levels
● 0 to 3 are locked by means of a password and
● 4 to 7 by means of keyswitch positions (see table below).
Table 15-6
Keyswitch
setting
Protection levels for machine data
The machine data is assigned different protection levels by default.
Access level 4 (keyswitch position 3) or more is required to display machine data.
Note
To start up the system the appropriate access level must generally be enabled by entering
the password "EVENING".
You can find additional change options of protection levels at:
Literature
Function Manual Basic Functions; Diverse Interface Signals
316
Keyswitch settings
Retraction pos.
0 or 1 or 2 or 3
Red key
0 or 1 or 2
Green key
0 or 1
Black key
-
NC password level
4
(highest access level)
5
(increasing access rights)
6
(increasing access rights)
7
(lowest access level)
Commissioning Manual, 07/2007, 6FC5397-2AP10-3BA0
User group
Programmer, machine
setter
Qualified operator
Trained operator
Semi-skilled operator
IBN CNC: NCK, PLC, drive