Section 7 Local HMI use
GUID-9D51F5A5-B05A-4BEC-9E71-8BD0BEB87764 v3
At delivery
, login is not required and the user has full access until users and
passwords are created with PCM600 and written into the IED. The LHMI is logged
on as SuperUser by default until other users are defined.
Commands, changing parameter values and resetting indications, for example, are
actions requiring password when the password protection is activated. Reading
information on the LHMI is always allowed without password. The LHMI is
logged on as Guest by default when other users are defined.
Utility security policies and practical consideration should always
be taken on the feasibility of using passwords. In emergency
situations, the use of passwords could delay ur
gent actions. When
security issues must be met, the two factors must be seriously
considered.
The auxiliary power supply to the IED must not be switched off
before changes such as passwords, setting parameter or local/
remote control state changes are saved.
7.1 Logging on
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1.
Press to activate the login procedure.
The login is also activated when attempting a password-protected operation.
2.
Press to activate the User field.
If CAM is activated an on-screen keyboard is shown.
3. T
ype in the user name using the on-screen keyboard.
You can end user name editing at any time by pressing
while the user field
is focused (or navigate to the OK button and press ), or press (or
navigate to the Cancel button and press
) to abort the login attempt.
If CAM is not activated select the user by scrolling with and , and
press
to confirm.
1MRK 511 399-UEN B Section 7
Local HMI use
670 series 2.2 IEC 85
Cyber security deployment guideline
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