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

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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

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