P12y/EN FT/D22 Technical Guide
User Guide
Page 50/108 MiCOM P125/P126/P127
4.5.2.8 Threshold Menu Ie>>>
Ie>>> ?
Yes
Selection of the third alarm threshold function for earth
fault current (Ie>>>). Setting choice: No, Yes, DIR.
If the user selects Yes, the following window is shown:
If the user selects DIR, the directional choice window is
shown.
If the user selects No, window will show the submenu
[67N] E/GND.
Ie>>>
1.000 Ien
Displays setting value for the alarm threshold. Three
earth fault current ranges are available:
from 0.002 to 1 Ien, in steps of 0.001 Ien.
Cortec code C
from 0.01 to 8 Ien, in steps of 0.005 Ien.
Cortec code B
from 0.1 to 40 Ien, in steps of 0.01 Ien.
Cortec code A
t Ie>>>
0.04 s
Displays setting value for the trip threshold.
The setting range is from 0 to 150 s, in steps of 10ms.
tReset
0.10 s
Displays setting value for the reset time.
The setting range is from 0 to 100 s, in steps of 10ms.
By pressing 2 the next window will display [67N] E/GND
Ie>>> ?
DIR
Selection of the third alarm threshold function for earth
fault current (Ie>>>). Setting choice: No, Yes, DIR.
If the user selects DIR, the following window is shown:
If the user selects Yes, the non-directional choice
window is shown.
If the user selects No, the next window will show the
submenu [67N] E/GND.
Ie>>>
1.000 Ien
Displays setting values for the alarm threshold. Three
earth fault current ranges are available:
from 0.002 to 1 Ien, in steps of 0.001 Ien.
Cortec code C
from 0.01 to 8 Ien, in steps of 0.005 Ien.
Cortec code B
from 0.1 to 40 Ien, in steps of 0.01 Ien.
Cortec code A
Ue>>>
5.0 V
Displays setting values for the alarm threshold
Ue>>>.
Input voltage range 57–130V: The threshold setting
range is from 1 to 260V, in steps of 0.1V.
Input voltage range 220–480V: The threshold setting
range is from 4 to 960V, in steps of 0.5V.