01/2007
11.2 Machine and setting data
11-288
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
You can set or reset single bits by clicking them with the mouse or by selecting
them with the cursor keys and then pressing the toggle key.
S With the softkey OK, you can terminate the bit editor and accept the value
set.
S With the softkey Abort, you can quit the bit editor and discard the value set.
The previous setting is then valid again.
11.2.2 Protection levels
Access to programs, data and functions is useroriented and controlled via 8
hierarchical protection levels. These are divided into
(see table 11-3):
S 4 password levels for Siemens, machine manufacturer and end user
S 4 key switch positions for end user
This provides a multilevel safety concept for controlling access rights.
Table 11-3 Protection levels
Protection
level
Type Users Access to (examples)
0 Pass– Siemens All functions, programs, and data
word
1 Pass– Machine manufacturer: Defined functions, programs and data;
word Development for example: Enter options
2 Pass– Machine manufacturer: Defined functions, programs, and data;
word Commissioning engineer for example: Majority of machine data
3 Pass– End user: Assigned functions, programs, and data
word Service
4 Key– End user: Lower than protection level 0 to 3;
switch Programmer Defined by machine manufacturer or
Pos. 3 machine setter End user
5 Key– End user: Lower than protection level 0 to 3;
switch qualified user, Defined by end user
Pos. 2 who does not program
6 Key– End user: Example:
switch Trained user, Program selection only, Tool wear input
Pos. 1 who does not program and input of zero offset
7 Key– End user: Example:
switch Semi–skilled operator No inputs or program selection
Pos. 0 possible, only machine control panel can be operated
Decreasing
access rights
Access rights
11 NCK Commissionin
with HMI Advanced
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