Siemens SIMATIC OP 77B, Руководство по эксплуатации

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Release 03/2004
Operating Instructions (Compact) OP 77B
5–18
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5.6 Logging On and Off
General information
Standard groups in the security system are:
•
Administrator
•
User
Other groups can be configured. Each group is
assigned certain user rights. Each user is assigned to
one of these groups, i.e. users within a group have the
same operating rights. Each user is assigned a
password.
Login dialog
When a user calls a function which is protected and has
not been assigned the necessary user rights, the
Logon
dialog appears.
User:
OK
Password:
Cancel
Figure 5–8 Example of a Logon dialog
Enter the user name and password – refer to
Chapter 5.4.3 for the keys.
Note
Characters entered for the password are always
represented by "
∗
". Characters entered via the cursor
keys remain visible until another character is entered or
the input is confirmed with the ENTER.