Areva MiCom P120, Technical Manual, Page: 84 / 668

P12x/EN FT/A96 User Guide
Page 48/72
MiCOM P120/P121/P122/P123
Block tI>>
Yes
Enables/disables Blocking Logic of the second time
delay overcurrent threshold (tI>>) from locking on the
level (logic state = 1) of logic input "Blk Log".
Setting choice: Yes, No.
Block tI>>>
Yes
Enables/disables Blocking Logic of the third time delay
overcurrent threshold (tI>>>) from locking on the level
(logic state = 1) of logic input "Blk Log".
Setting choice: Yes, No.
Block tIe>
No
Enables/disables Blocking Logic of the first earth time
delay overcurrent threshold (tIe>) from locking on the
level (logic state = 1) of logic input "Blk Log".
Setting choice: Yes, No.
Block tIe>>
No
Enables/disables Blocking Logic of the second earth
fault time delay overcurrent threshold (tIe>>) from
locking on the level (logic state = 1) of logic input "Blk
Log".
Setting choice: Yes, No.
Block tIe>>>
No
Enables/disables Blocking Logic of the third earth fault
time delay overcurrent threshold (tIe>>>) from locking on
the level (logic state = 1) of logic input "Blk Log".
Setting choice: Yes, No.
5.9.4.1 P121, P122 & P123 additional Blocking Logic menu
Block 1 t Aux 1
No
Enables/disables Blocking Logic of time delay of
auxiliary input Aux1.
Setting choice: Yes, No.
Block 1 t Aux 2
No
Enables/disables Blocking Logic of time delay of
auxiliary input Aux2.
Setting choice: Yes, No.
5.9.4.2 P122 & P123 additional Blocking Logic menu
Block 1 tI2 >
No
Enables/disables Blocking Logic of the first time delay
negative phase sequence overcurrent threshold (tI2>)
from locking on the level (logic state = 1) of logic input
"Blk Log".
Setting choice: Yes, No.
Block 1 tI2 >>
No
Enables/disables Blocking Logic of the second time
delay negative phase sequence overcurrent threshold
(tI2>>) from locking on the level (logic state = 1) of logic
input "Blk Log".
Setting choice: Yes, No.
Block 1 Thermal
θ
Yes
Enables/disables Blocking Logic of the trip threshold for
thermal overload from locking on the level (logic state 1)
of logic input "Blk Log".
Setting choice: Yes, No.
Block 1 Brkn.Cond
No
Enables/disables Blocking Logic of the Broken
Conductor trip signal from locking on the level (logic
state 1) of logic input "Blk log".
Setting choice: Yes, No.
Block 1 t Aux 3
No
Enables/disables Blocking Logic of time delay of
auxiliary input Aux 3.
Setting choice: Yes, No