Alstom MiCOM P127 - Page 51

Technical Guide P12y/EN FT/D22
User Guide
MiCOM P125/P126/P127 Page 49/108
Ie>> ?
DIR
Selection of the second 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
threshold menu Ie>>>
Ie>>
1.000 Ien
Displays setting value for the alarm threshold.
The threshold setting range is:
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 value for the alarm threshold.
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.
Ie>>
Torque 90 °
Displays setting value for the torque angle.
Torque angle setting range is from 0° to 359 °, in steps
of 1°.
Ie>>
Trip Zone ±10 °
Displays angle value for the Trip Zone.
This defines the operating region to either side of the
torque angle. Setting range is from ±10° to ±170°, in
steps of 1°.
t Ie>>
150.00 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 the Ie>>>?