Table 5.31 Default parameters
Parameter Range Default
Delay 0.1 to 10.0 s 2.0 s
Alarm action Block
INFO
If no breaker feedback is configured in the Input/output for the breaker, then the parameters are not visible.
5.5.5 Breaker closing failure
This alarm is for breaker closing failure.
The alarm is based on the breaker feedback signal, which is a digital input to the controller. The
alarm timer starts when the controller sends the signal to close the breaker. The alarm is
activated if the breaker feedback signal does not change from Open to Closed within the delay
time.
Configure the parameters under Configure > Parameters > Breakers > [Breaker] monitoring > Closing failure. This alarm is
always enabled when at least one breaker feedback is configured for the breaker. The alarm action is Trip [Breaker] and Latched.
Table 5.32
Default parameters
Parameter Range Default
Delay 0.1 to 10.0 s 2.0 s
INFO
If no breaker feedback is configured in the Input/output for the breaker, then the parameters are not visible.
5.5.6 Breaker position failure
This alarm is for breaker position failure. The
alarm is present where both open and closed
feedback are configured.
The alarm is based on the breaker feedback
signals, which are digital inputs to the controller.
The alarm is activated if the breaker Closed and
Open feedbacks are both missing for longer than
the delay time. The alarm is also activated if the
breaker Closed and Open feedbacks are both
present for longer than the delay time.
0
1
Breaker
open
feedback
Time
Delay
Breaker
closed
feedback
Breaker
position
OK
0
1
0
1
0
1
Breaker
open
feedback
Time
Delay
Breaker
closed
feedback
Breaker
position
OK
0
1
0
1
Configure the parameters under Configure > Parameters > Breakers > [Breaker] monitoring > Position failure.
DESIGNER'S HANDBOOK 4189340911K UK Page 163 of 521