BE1-951
Application
8-11
Table 8-7. OC-W-79 Virtual Switches Logic
Switch
Purpose
Mode
Variable Label
State Labels
TRUE (1)
FALSE (0)
43
Not used
0 (disabled)
SWITCH_43
CLOSED
OPEN
143
Not used
0 (disabled)
SWITCH_143
CLOSED
OPEN
243
Not used
0 (disabled)
SWITCH_243
CLOSED
OPEN
343
Not used
0 (disabled)
SWITCH_343
CLOSED
OPEN
101
Not used
0 (disabled)
N/A
N/A
N/A
Table 8-8. OC-W-79 Virtual Output Logic
Output
Purpose
Output Description
Variable
Label
State Labels
TRUE (1)
FALSE (0)
VOA
(OUTA)
Alarm Output Contact
Alarm contact closes automatically
when relay trouble alarm occurs.
ALARM
ACTIVE
NORMAL
BESTlogic Expression: VOA = 0
VO1
(OUT1)
Breaker Trip Contact
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)
Not used
VO3
TRUE
FALSE
BESTlogic Expression: VO3 = 0
VO4
(OUT4)
Minor Alarm
Closes contact when Minor Alarm
expression is TRUE.
ALMIN
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
Not used
VO6
TRUE
FALSE
BESTlogic Expression: VO6 = 0
VO7
Not used
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 = /IN2+15OTQT
VO10
Not used
VO7
TRUE
FALSE