Bus Tie Breaker Controller Leds And Buttons - Deif GPC 300 Operator's Manual

3.4.2

BUS TIE breaker controller LEDs and buttons

BUS TIE breaker buttons
No. Item Notes
1 Breaker
NOTE * In Switchboard control the controller ignores the input.
BUS TIE breaker LEDs
1
No. Item Notes
1 Busbar A
Green : Busbar A voltage and frequency OK, and controller can close breaker.
Green flash : Busbar A voltage and frequency OK, but V&Hz OK timer running. Controller cannot close
breaker.
Yellow : Busbar A voltage and frequency are measurable, but not OK.
Red : Busbar A voltage too low to measure. Controller can close breaker.
Red flash: Blackout detection timer running and controller checking busbar A.
2 Bus tie
Off : Bus tie breaker open
Breaker
Green : Bus tie breaker closed.
Yellow flash : Synchronising or de-loading bus tie breaker.
Red flash : Bus tie breaker configuration failure, or a position failure.
Red : Tripped bus tie breaker, and trip alarm unacknowledged and/or alarm condition present.
3 Busbar B
Green : Busbar A voltage and frequency OK, and controller can close breaker.
Green flash : Busbar A voltage and frequency OK, but V&Hz OK timer running. Controller cannot close
breaker.
Yellow : Busbar A voltage and frequency are measurable, but not OK.
Red : Busbar A voltage too low to measure. Controller can close breaker.
Red flash: Blackout detection timer running and controller checking busbar A.
OPERATOR'S MANUAL 4189341171C UK
1
Close breaker : Starts close sequence. *
2 3
Open breaker : Starts open sequence. *
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