1MDU07212-YN Rev. C Section 5
Use of LHMI
REF601 / REJ601 41
Application Manual
In case of wrong password being entered by the user, automatically the operator
user category is selected.
The selected category will pop up for one second before the main menu is shown.
Sequence looks as follow:
Figure 11: Login process of relay REF601 / REJ601
Password configuration
The password could be changed under the Main Menu -> Access Level.
In access level menu, password can be set for both setting & admin level. In edit
mode, cursor position can be set by or arrow key and allowed password
symbol can be selected by or arrow key. Finally by ENTER key password
can be set.
Figure 12: Password configuration in relay
5.1.5 Configuration status
At default view, whenever any key is pressed, for 3 second the Configuration status
screen appears followed by a password request screen.
Following figure shows configuration status screen:
Figure 13: Configuration status display screen
Configuration status screen (3 sec)
1. Frequency: 50 or 60 Hz
2. I0: 20..9999 (Primary current of external earth CT)
3. Ipn: 20..9999 (Primary current of phase CT or Rogowski coil sensor)
(for Rogowski coil sensor 80A or 250A)
4. Ir: Relay reference current (only for sensor variant)
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