Siemens SIMATIC C7-613, Manual

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Operating the C7-613
5-36
C7-613 Control System
A5E00138934-03
5.10 Password Editing (Password)
Overview
To prevent unauthorized operation of the C7-613, you have the option to set up
access protection for each process screen using passwords and password levels.
Password protection for the function keys (K-keys) is not possible.
The passwords can be specified during configuration, or they can be entered with
the keyboard in the special screen “Edit” while the program is running.
If you have assigned a password level for a screen, you are prompted to enter the
password (LOGIN) when you call the screen.
Password Protection for Process Screens
You can specify a password level for each screen in the configuration. This screen
can only be called with a password level equal to or greater than the password
level setting for the screen.
If you have not carried out an operation for longer than two minutes in a
password-protected screen, the C7-613 switches automatically to the password
level 0. It is then no longer possible to enter variables or use the softkeys (F-keys)
and the cursor keys in the opened screen. Operation is not possible until the valid
password has been entered.
When paging back (pressing the ESC key) you can display any protected screen
which was selected beforehand without a valid password. However, the entry of
variables and the operation of the softkeys (F-keys) and the cursor keys in the
protected screens is not possible.
!
Caution
At logout, the C7-613 switches to password level 0. The logout operation occurs
automatically if no operator input was performed for two minutes or when the
special screen “Logout” is selected.
The following applies for the C7-613 with an HMI Version < 2.0.0:
However, only the selection of new screens is password-protected in this case.
The screen that is currently open as well as screens that you can access with ESC
are not password protected. This also means that all of the entries in these
screens are not password protected. Likewise, automatic logouts do not terminate
the input mode in the case of variables.
In order to protect the C7-613 against unauthorized access, you should therefore
page back with ESC so far until no screen is displayed which needs to be
protected.
Note
Password protection is not possible for the initial screen. This also applies to the
process display “0” if you did not specify an initial screen.