Table 8-23. bus virtual switch logic -48, Table 8-24. bus virtual outputs -48 – Basler Electric BE1-851 User Manual
Page 204
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Table 8-23. BUS Virtual Switch Logic
Switch
Purpose
Mode
Label
State Labels
True
False
43
N/A
0 (Disable)
SWITCH_43
CLOSED
OPEN
143
N/A
0 (Disable) SWITCH_143
CLOSED
OPEN
243
N/A
0 (Disable) SWITCH_243
CLOSED
OPEN
343
Put the relay in test mode so
that reclosing and breaker
failure are disabled when virtual
switch is closed.
2 (On/Off) TESTENABLE
TSTMODE
NORMAL
101
Virtual Control Switch to trip bus
breaker.
1 (Enable)
N/A
N/A
N/A
Table 8-24. BUS Virtual Outputs
Output
Purpose
Description
Label
State Labels
True
False
VOA
(OUTA)
Alarm Output Contact.
Change state of alarm contact
when relay failure or major
programmable alarm is TRUE.
(Style Dependent.)
ALARM
ACTIVE NORMAL
BESTlogic Expression: VOA=ALMMAJ
VO1
(OUT1)
Bus breaker trip.
Trip breaker for virtual control
switch trip OR for 51 trip when in
normal mode. Trip bus breaker
for 41 trip after coordination time
delay when in feeder backup
mode. Close OUT1 for any trip
when in test mode.
BKR_TRIP
TRIP
NORMAL
BESTlogic Expression: VO1=101T+VO8*/SG0+62*SG1+VO11*VO15
VO2
(OUT2)
Bus breaker close.
Close breaker when virtual
breaker control switch is
operated to close.
BKR_CLOSE
CLOSE NORMAL
BESTlogic Expression: VO2=101C
VO3
(OUT3)
N/A
N/A
VO3
TRUE
FALSE
BESTlogic Expression: VO3=/IN2
VO4
(OUT4)
Bus fault trip (86B).
Trip bus breaker via lockout for
bus faults (50T with 2-4 cycles
delay) when in normal mode and
not in test mode.
BUS_TRIP
TRIP
NORMAL
BESTlogic Expression: VO4=VO9*SG0*/VO15
8-48
BE1-851 Application
9289900990 Rev R