Technical Guide P12y/EN FT/D22
User Guide
MiCOM P125/P126/P127 Page 79/108
4.6.4 Submenu Logic Select
With the submenu Logic Select. 1 or Logic Select. 2 the user can assign each trip
threshold to the "Log Sel" input (refer to Inputs menu). To access the submenu Logic
Select. 1 or Logic Select. 2, press 2 and 6 until the submenu is reached.
The submenu Logic Select. 1 / Logic Select. 2 is only available in the software of the
P126 & P127 relays. The thresholds I>>, I>>> are from the protection function
[67/50/51] and Ie>>, Ie>>> from the protection function [67N/50N/51N].
AUTOMAT. CTRL
Heading of AUTOMAT. CTRL menu.
To gain access to the Logic Select menu, press 2 and
6 until the submenu Logic Select. 1 or Logic Select. 2 is
reached.
Logic Select. 1
Heading of Logic Select submenu.
To navigate within submenu points, press 2 8. To
modify setting, press 5. Use 8 2 4 6 to scroll and set
available selections. Press 5 to confirm choice.
Sel1 tI>>
No
Enables/disables Logic Select 1 of the second trip
threshold for phase overcurrent (tI>>).
Setting choice: Yes, No
Sel1 tI>>>
No
Enables/disables Logic Select 1 of the third trip
threshold for phase overcurrent threshold (tI>>>).
Setting choice: Yes, No
Sel1 tIe>>
No
Enables/disables Logic Select 1 of the second trip
threshold for earth fault overcurrent (tIe>>).
Setting: Yes or No.
Sel1 tIe>>>
No
Enables/disables Logic Select 1 of the third trip
threshold for earth fault overcurrent (tIe>>>).
Setting choice: Yes, No
t Sel1
150.00 s
Displays time delay t Sel1 for Logic Select 1 .
The setting range for t Sel1 is from 0 s to 150 s, in
steps of 10 ms.
4.6.5 Submenu Outputs Relays
This submenu makes it possible to assign various alarm and trip thresholds
(instantaneous and/or time delay) to a logic output. Excepted from this option are the
Watchdog (RL0) and the Tripping (RL1) outputs (refer to Trip Commands submenu).
The total number of programmable logic outputs for the three relay models is listed in
the table:
Model P125 P126 P127
Output relays 6 8 8
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