14.5
Date Code 20171006 Instruction Manual SEL-400 Series Relays
ASCII Command Reference
Command Description
BRE
n
H
Display the circuit breaker monitor history report with the BRE n H command.
The breaker history report is a summary of recent circuit breaker operations.
BRE
n
P
Use the BRE n P command to preload existing circuit breaker contact wear,
operation counts, and accumulated currents to the circuit breaker monitor.
CAL
Use the CAL command to gain access to Access Level C. See Access Levels and
Passwords on page 3.7 for more information. Only go to Level C to modify the
default password or under the direction of an SEL employee. The additional com-
mands available at Level C are not intended for normal operational purposes.
CASCII
The CAS command produces the Compressed ASCII configuration message.
This configuration instructs an external computer on the method for extracting
data from other Compressed ASCII commands. See SEL Compressed ASCII
Commands on page 15.24 for an example of the CAS command configuration
message and for further information on the Compressed ASCII command set.
Table 14.10 BRE C A and BRE R A Commands
Command Description Access Level
BRE C A Clear all circuit breaker data. B, P, A, O, 2
BRE R A Clear all circuit breaker data. B, P, A, O, 2
Ta b l e 1 4.1 1 B R E
n
H Command
Command Description Access Level
BRE n
a
H
a
Parameter
n
= breaker identification character.
Display history data for the last 128 Circuit
Breaker n operations.
1, B, P, A, O, 2
Ta b l e 1 4.1 2 B R E
n
P Command
Command Description Access Level
BRE n
a
P
a
Parameter
n
= breaker identification character.
Preload previously accumulated Breaker n data. B, P, A, O, 2
Table 14.13 CAL Command
Command Description Access Level
CAL Go to Access Level C. 2, C
Table 14.14 CAS Command
Command Description Access Level
CAS Return the Compressed ASCII configuration message. 0, 1, B, P, A, O, 2
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