Table 8-7. feeder_1 virtual switches logic -12, Table 8-8. feeder_1 virtual outputs -12 – Basler Electric BE1-851 User Manual
Page 168

Table 8-7. Feeder_1 Virtual Switches 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
N/A
0 (Disable)
SWITCH_343
CLOSED
OPEN
101
N/A
0 (Disable)
N/A
N/A
N/A
Table 8-8. Feeder_1 Virtual Outputs
Output
Purpose
Description
Label
State Labels
True
False
VOA
(OUTA)
Alarm Output Contact.
Changes state of alarm contact
when relay failure or major
programmable alarm is TRUE.
ALARM
ACTIVE
NORMAL
BESTlogic Expression: VOA=ALMMAJ
VO1
(OUT1)
50T Trip Output.
Close OUT1 when time
overcurrent trip is TRUE or
when breaker failure is initiated
or when a protective trip occurs
while in test mode.
51_TRIP
TRIP
NORMAL
BESTlogic Expression: VO1=VO8*IN4+BFPU+VO11*/IN4
VO2
(OUT2)
50T Trip Output.
Trip breaker when
instantaneous overcurrent trip
is TRUE and not in test mode.
50_TRIP
TRIP
NORMAL
BESTlogic Expression: VO2=VO9*IN4
VO3
(OUT3)
Enable backup of relay
by upstream relay.
Hold output closed if relay is
not out of service because it is
in test mode and it is not out of
service due to relay failure
IN_SERVICE
NORMAL BACKUP
BESTlogic Expression: VO3=IN4
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
VO5
(OUT5)
Breaker failure trip
contact.
Trip backup if breaker failure
protection times out.
BKR_FAIL
TRIP
NORMAL
BESTlogic Expression: VO5=BFT
VO6
N/A
N/A
VO6
TRUE
FALSE
BESTlogic Expression: VO6=0
VO7
N/A
N/A
VO7
TRUE
FALSE
BESTlogic Expression: VO7=0
8-12
BE1-851 Application
9289900990 Rev R