Alstom MiCOM P127 - Menu RECORDS (P126 & P127); Submenu CB Monitoring (P126 & P127)

P12y/EN FT/D22 Technical Guide
User Guide
Page 102/108 MiCOM P125/P126/P127
4.7 Menu RECORDS (P126 & P127)
With the RECORDS menu stored data, events, disturbances and monitoring signals
from various submenus can be displayed and read:
· CB Monitoring
· Fault record
· Disturb record
· Time peak value
4.7.1 Submenu CB Monitoring (P126 & P127)
With the CB Monitoring submenu it is possible to read and clear counter values
associated with the circuit breaker.
RECORD
Heading the RECORD menu.
CB Monitoring
Heading the CB Monitoring submenu.
To gain access to the submenu points, press 2.
CB Opening Time
0.05 s
Displays the circuit breaker opening time.
CB Closing Time
0.05 s
Displays the circuit breaker closing time.
CB Operations
CLR = [C] 0
Displays the number of opening commands executed
by the circuit breaker. To clear these values, press 0.
S Amps (n)
CLR = [C]
Displays the summation of the current (in Amps or
square Amps) interrupted by the CB. Stored current
values for all 3 phases are cleared together. To clear
these values, press 0.
S Amps (n) IA
2 E04
Displays the summation value of the current (in Amps
or square Amps) for phase A interrupted by the circuit
breaker.
S Amps (n) IB
2 E04
Displays the summation value of the current (in Amps
or square Amps) for phase B interrupted by the circuit
breaker.
S Amps (n) IC
2 E04
Displays the summation value of the current (in Amps
or square Amps) for phase C interrupted by the circuit
breaker.