P12y/EN FT/D22 Technical Guide
User Guide
Page 48/108 MiCOM P125/P126/P127
Reset Delay Type
IDMT
Displays the reset delay time type.
Select between DMT (Definitive Time) and IDMT
(Inverse Time).
If the user selects IDMT delay type, the following menu
is displayed:
RTMS
0.025
Displays the RTMS value associated with the IDMT reset
time choice.
The setting range is from 0.025 to 1.5, in steps of
0.025.
Ie> >> >>>
Interlock Yes
Interlock of first threshold by the second and third
thresholds, but only if first threshold trip is set to IDMT.
Setting choice: No, Yes
By pushing 2 the next window will display the Ie>>?
4.5.2.7 Threshold Menu Ie>>
Ie>> ?
Yes
Selection of the second 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, the next window will show the
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>>
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>>>?
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