Basler Electric BE1-851 - Manual (Page 187)

Output Purpose Description Label
State Labels
True False
VO5
(OUT5)
Breaker failure trip
contact.
Trip backup if breaker failure
protection times out.
BKR_FAIL TRIP NORMAL
BESTlogic Expression: VO5=BFT
VO6 None N/A VO6 TRUE FALSE
BESTlogic Expression: VO6=0
VO7 None N/A VO7 TRUE FALSE
BESTlogic Expression: VO7=0
VO8 None N/A VO8 TRUE FALSE
BESTlogic Expression: VO8=0
VO9
Recloser drive to lockout
expression.
Drive recloser to lockout to
disable it when IN2 is de-
energized or Virtual Switch
143 is closed or when the
breaker virtual control switch is
in the after trip state or if the
breaker fails or when the high
set instantaneous element
trips.
RCL_DTL DTL NORMAL
BESTlogic Expression: VO9=/IN2+143+VO5+150TPT+150TNT+150TQT
VO10
Breaker failure initiate
expression.
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_TRIP 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 Alarm Mask 21. N/A VO13 TRUE FALSE
BESTlogic Expression: VO13=0
VO14 Alarm Mask 22. N/A VO14 TRUE FALSE
BESTlogic Expression: VO14=0
VO15
Alarm bit #23 indication
that the relay is in test
mode, breaker failure is
disabled, and reclosing is
disabled.
TRUE if IN4 is de-energized or
if Virtual Switch 343 is closed.
TEST_MODE TEST NORMAL
BESTlogic Expression: VO15=/IN4+343
9289900990 Rev R BE1-851 Application 8-31