Password Protection; Password Level And Access Permissions - Siemens simatic hmi op27 Equipment Manual

Password Protection

Access protection
Password protection can be configured for function keys/soft keys and input
fields to prevent operation of the OP by unauthorized personnel.
5.1

Password Level and Access Permissions

Password
During the configuration phase with ProTool, the configurer assigns the func-
hierarchy
tion keys/soft keys and input fields hierarchically ascending password levels
from 0 to 9. When a password is assigned to an individual user or to a whole
user group, the permission to execute functions at a specific level is assigned
simultaneously.
After logging in with a password of a certain password level on the OP, per-
mision to execute functions is granted at that password level and at lower lev-
els.
Password level 0
If a function is configured with password level 0, no password need be entered
in order to execute this function. The functions assigned at this level, the low-
est in the hierarchy, have little or no effect on operation. These functions do not
normally have input options; an example of this is example is Open Message
Pages.
If an attempt is made to call a function which has been assigned to a higher
level, the OP requests a password.
Password level
Levels 1 to 8 should be assigned by the configurer according to the signifi-
1 – 8
cance of the respective function. The supervisor (superuser) is responsible for
assigning a password level to a password as part of his password management
duties.
Password level 9
Only the superuser has the rights to execute functions assigned to password
level 9. The superuser has access to all the functions on the OP. Only the super-
user is authorized to perform password management on the OP. Password man-
agement involves assigning and changing passwords.
OP27, OP37 Equipment Manual
Release 05/99
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