8-12 BE1-951 Application 9328900990 Rev L
Table 8-8. OC-W-79 Virtual Output Logic
State Labels
Output Purpose Description Label
True False
VOA
(OUTA)
Alarm Output Contact.
Alarm contact closes/opens (refer
to style number) automatically
when relay trouble alarm occurs.
ALARM ACTIVE NORMAL
BESTlogic Expression: VOA=0
VO1
(OUT1)
Breaker Trip Output.
Trip breaker when protective trip
expression is TRUE.
BKR_TRIP TRIP NORMAL
BESTlogic Expression: VO1=VO11
VO2
(OUT2)
Breaker Close Contact.
Close breaker when recloser
close output is TRUE.
BKR_CLOSE CLOSE NORMAL
BESTlogic Expression: VO2=79C
VO3
(OUT3)
N/A N/A VO3 TRUE FALSE
BESTlogic Expression: VO3=0
VO4
(OUT4)
Minor Alarm.
Closes contact when Minor Alarm
expression is TRUE.
ALMMIN ACTIVE NORMAL
BESTlogic Expression: VO4=ALMMIN
VO5
(OUT5)
Major Alarm.
Closes contact when Major Alarm
expression is TRUE.
ALMMAJ ACTIVE NORMAL
BESTlogic Expression: VO5=ALMMAJ
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 Reclose Initiate.
TRUE when any protective
element trips or when the
external reclose initiate input is
TRUE.
RCL_INI INI NORMAL
BESTlogic Expression: VO8=VO11+IN3
VO9 Recloser Drive to Lockout.
Drive recloser to lockout if: IN2 is
energized or the high set
instantaneous elements trip.
RCL_DTL DTL NORMAL
BESTlogic Expression: VO9=150TPT+150TNT+150TQT+/IN2
VO10 N/A N/A VO10 TRUE FALSE
BESTlogic Expression: VO10=0
VO11
Protective Trip
Expression.
TRUE when any 50, 150, or 51
element times out.
PROT_TRP TRIP NORMAL
BESTlogic Expression: VO11=50TPT+50TNT+50TQT+150TPT+150TNT+150TQT+51PT+51NT+51QT