8-28 BE1-951 Application 9328900990 Rev L
State Labels
Output Purpose Description Label
True False
VO9
Recloser Drive to
Lockout.
Drive recloser to lockout if: IN2
is de-energized, Virtual Switch
143 is closed, the breaker fails,
or the high set instantaneous
elements trip.
RCL_DTL DTL NORMAL
BESTlogic Expression: VO9=150TPT+150TNT+150TQT+143+/IN2+VO5
VO10 Breaker Failure Initiate.
Initiate breaker failure timing
when protective trip expression
is TRUE.
BFI INI NORMAL
BESTlogic Expression: VO10=VO11
VO11
Protective Trip
Expression.
TRUE when any 50, 150, or 51
element times out.
PROT_TRP TRIP NORMAL
BESTlogic Expression: VO11=50TPT+50TNT+50TQT+150TPT+150TNT+150TQT+51PT+51NT+51QT
VO12
Protection Picked Up
Expression.
TRUE when any 50, 150, or 51
element picks up.
PROT_PU PU NORMAL
BESTlogic Expression:
VO12=50TPPU+50TNPU+50TQPU+150TPPU+150TNPU+150TQPU+51PPU+51NPU+51QPU
VO13 N/A N/A VO13 TRUE FALSE
BESTlogic Expression: VO13=0
VO14 N/A N/A VO14 TRUE FALSE
BESTlogic Expression: VO14=0
VO15 Alarm Mask 23.
Indicates that the relay is in
Test mode and that the breaker
failure is disabled. TRUE if IN4
is de-energized or if virtual
switch 343 is closed.
TEST_MODE TEST NORMAL
BESTlogic Expression: VO15=343+/IN4