Schweitzer Engineering Laboratories SEL-421-4 - Table 8.22 Breaker Monitor Settings Categories; Table 8.23 Enables; Table 8.24 Breaker 1 Inputs; Breaker Monitor Settings

8.9
Date Code 20171021 Instruction Manual SEL-421 Relay
Settings
Breaker Monitor Settings
Breaker Monitor Settings
Make Table 8.23 EB1MON and BK1TYP settings when Global setting
NUMBK := 1 or 2. make EB2MON and BK2TYP settings when Global setting
NUMBK := 2.
RSTDNPE Reset DNP Fault Summary Data (SELOGIC Equation) TRGTR
RST_HAL Reset Warning Alarm Pulsing (SEL
OGIC Equation) NA
Ta b l e 8 .2 1 DN P
Setting Prompt Default Value
EVELOCK Event Summary Lock Period (0-1000 s) 0
DNPSRC DNP Session Time Base (LOCAL,UTC) UTC
Table 8.20 Data Reset Control (Sheet 2 of 2)
Setting Prompt Default Value
Table 8.22 Breaker Monitor Settings Categories
Settings Reference
Enables Table 8 .23
Breaker 1 Inputs Table 8. 24
Breaker 2 Inputs Table 8. 25
Breaker 1 Monitor (and Breaker 2 Monitor) Table 8.26
Breaker 1 Contact Wear (and Breaker 2 Contact Wear) Tab le 8.27
Breaker 1 Electrical Operating Time (and Breaker 2 Electrical Operating Time) Table 8.28
Breaker 1 Mechanical Operating Time (and Breaker 2 Mechanical Operating
Time)
Table 8. 29
Breaker 1 Pole Scatter and Pole Discrepancy (and Breaker 2 Pole Scatter and
Pole Discrepancy)
Table 8. 30
Breaker 1 Inactivity Time Elapsed (and Breaker 2 Inactivity Time Elapsed) Table 8 .31
Breaker 1 Motor Running Time (Breaker 2 Motor Running Time) Tab le 8. 32
Breaker 1 Current Interrupted (Breaker 2 Current Interrupted) Tab le 8. 33
Table 8.23 Enables
Setting Prompt Default Value
EB1MON Breaker 1 Monitoring (Y, N) N
EB2MON Breaker 2 Monitoring (Y, N) N
BK1TYP Breaker 1 Trip Type (Single Pole = 1, Three Pole = 3) 3
BK2TYP Breaker 2 Trip Type (Single Pole = 1, Three Pole = 3) 3
Table 8.24 Breaker 1 Inputs (Sheet 1 of 2)
Setting Prompt
Default
Value
52AA1 Normally Open Contact Input—BK1 (SELOGIC Equation)
a
IN101
52AA1 A-Phase Normally Open Contact Input—BK1 (SEL
OGIC Equation)
b
IN101
NOTE: If you want to enable the
circuit breaker monitor on Circuit
Breaker 2, confirm that the relay is
set for two-circuit breaker operation;
global setting NUMBK must be 2.
Once you have set NUMBK := 2, you
can set the Circuit Breaker 2 monitor
settings, including EB2MON.