Basler Electric BE1-851 - Manual (Page 205)

Output Purpose Description Label
State Labels
True False
VO5
(OUT5)
Feeder breaker trip.
Trip feeder breaker via auxiliary
relay (94) for time (51) and
instantaneous (50T with 2-4
cycles delay) when in feeder
relay backup mode and not in
test mode.
BKR_FAIL TRIP NORMAL
BESTlogic Expression: VO5=VO11*SG1*/VO15
VO6 N/A N/A VO6 TRUE FALSE
BESTlogic Expression: VO6=0
VO7 N/A N/A VO7 TRUE FALSE
BESTlogic Expression: VO7=0
VO8 Time overcurrent trip.
TRUE if any of the time
overcurrent elements trip.
51_TRIP TRIP NORMAL
BESTlogic Expression: VO8=51PT+51NT+51QT
VO9
Instantaneous overcurrent
trip.
TRUE if any of the instantaneous
overcurrent elements trip.
50_TRIP TRIP NORMAL
BESTlogic Expression: VO9=50TPT+50TNT+50TQT
VO10 N/A N/A VO10 TRUE FALSE
BESTlogic Expression: VO10=0
VO11
Protective Trip
Expression.
TRUE when any 50 or 51
element times out.
PROT_TRIP TRIP NORMAL
BESTlogic Expression: VO11=50TPT+50TNT+50TQT+51PT+51NT+51QT
VO12
Protection Pickup Up
Expression.
TRUE when any 50 or 51
element picks up.
PROT_PU PU NORMAL
BESTlogic Expression: VO12=50TPPU+50TNPU+50TQPU+51PPU+51NPU+51QPU
VO13
Relay is in feeder backup
mode.
TRUE if in setting group 1. FEEDER_BU BACKUP NORMAL
BESTlogic Expression: VO13=SG1
VO14 N/A N/A VO14 TRUE FALSE
BESTlogic Expression: VO14=0
VO15
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 8-49