Sel 751A - BRE Command (Breaker Monitor Data); BRE Command (Preload;Reset Breaker Wear)

7.21
Date Code 20100129 Instruction Manual SEL-751A Relay
Communications
SEL ASCII Protocol and Commands
BRE Command (Breaker Monitor Data)
Use the BRE command to view the breaker monitor report.
=>>BRE <Enter>
SEL-751A Date: 12/04/2008 Time: 14:26:57
FEEDER RELAY Time Source: External
Trip Counters
Rly Trips (counts) 32
Ext Trips (counts) 0
Cumulative Interrupted Currents
IA IB IC
Rly Trips (kA) 538.1 483.6 485.5
Ext Trips (kA) 0.0 0.0 0.0
Breaker Contact Wear
A B C
Wear (%) 48 37 36
LAST RESET 11/25/2008 11:16:21
=>>
See Breaker Monitor on page 5.15 for further details on the breaker monitor.
BRE n Command (Preload/Reset Breaker Wear)
The BRE W command only saves new settings after the Save Changes
(Y/N)?
message. If a data entry error is made using the BRE W command, the
values echoed after the
Invalid format, changes not saved message are
the previous BRE values, unchanged by the aborted BRE W attempt.
=>> BRE W <Enter>
Breaker Wear Percent Preload
Relay (or Internal) Trip Counter (0-65000) = 0 ? 14 <Enter>
Internal Current (0.0-999999 kA) IA = 0.0 ? 32.4 <Enter>
IB = 0.0 ? 18.6 <Enter>
IC = 0.0 ? 22.6 <Enter>
External Trip Counter (0-65000) = 0 ? 2 <Enter>
External Current (0.0-999999 kA) IA = 0.0 ? 0.8 <Enter>
IB = 0.0 ? 0.6 <Enter>
IC = 0.0 ? 0.7 <Enter>
Percent Wear (0-100%) A-phase = 0 ? 22 <Enter>
B-phase = 0 ? 28 <Enter>
C-phase = 0 ? 25 <Enter>
Last Reset Date = 12/04/2008 ? 12/04/2008 <Enter>
Time = 14:27:10 ? 17:50:12 <Enter>
Save changes (Y,N)? y
=>>
Use the BRE R command to reset the breaker monitor: