Basler Electric BE1-851 - Manual (Page 195)

Table 8-19. Feeder_4 Virtual Switches Logic
Switch Purpose Mode Label
State Labels
True False
43
Automatic setting group change
logic auto/manual switch.
2 (On/Off) SETGRP_MAN AUTO MANUAL
143
Disable recloser when virtual
switch is closed.
2 (On/Off) RCL_DISABL DISABLD ENABLED
243
Disable neutral and negative-
sequence, 50 and 51 protection
when virtual switch is closed.
2 (On/Off) N&Q_DISABL DISABLD ENABLED
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 8-20. Feeder_4 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.
ALARM ACTIVE NORMAL
BESTlogic Expression: VOA=ALMMAJ
VO1
(OUT1)
Breaker trip contact.
Trip breaker when protective
trip expression is TRUE or
when breaker failure is initiated
or when virtual breaker control
switch is operated to trip
BKR_TRIP TRIP NORMAL
BESTlogic Expression: VO1=VO11+BFPU+101T
VO2
(OUT2)
Breaker close contact.
Close breaker when recloser
close output it TRUE or when
virtual breaker control switch is
operated to close.
BKR_CLOSE CLOSE NORMAL
BESTlogic Expression: VO2=79C+101C
VO3
(OUT3)
Block external
instantaneous elements.
Close contact when recloser
sequence controlled blocking
output is not TRUE.
79INST_BLK NORMAL BLOCK
BESTlogic Expression: VO3=/79SCB
VO4
(OUT4)
Block upstream
instantaneous elements
when relay is picked up
for high-speed bus
overcurrent protection
logic.
Block upstream instantaneous
elements when the protective
pickup expression is TRUE
and the relay is not in test
mode and the breaker has not
failed.
BLK_UPSTRM BLOCKED NORMAL
BESTlogic Expression: VO4=VO12*/VO5*IN4*/343
9289900990 Rev R BE1-851 Application 8-39