5.3.3 Compact breaker
To close a compact breaker, the controller sends an open pulse to load the spring, followed by a pause, and then a close pulse.
Wiring examples
More information
See
Wiring for controller functions
,
Breaker wiring
in the
Installation instructions
for an example of compact breaker
wiring.
Inputs and outputs
Assign the breaker inputs and outputs under
Configure > Input/output
. Select the hardware module, then select the input/output to
configure.
Table 5.8
Breaker configuration
Function
IO
Type
Details
Breakers > [Breaker] > Control >
[*B] close
Digital
output
Pulse
When the power sources are synchronised, the controller activates
the
[*B] close
output to close the breaker.
Breakers > [Breaker] > Control >
[*B] open
Digital
output
Pulse
The controller activates the
[*B] open
output to open the breaker.
The controller also activates the
[*B] open
output to spring-load the
breaker.
Breakers > [Breaker] > Control >
[*B] trip
Digital
output
Continuous
The controller activates the
Trip
output when an alarm with a trip
breaker action activates.
The output remains active until all alarms with a trip breaker action
are resolved.
Breakers > [Breaker] >
Feedback > [*B] closed
Digital input
Continuous
Wire this feedback from the breaker, to inform the controller when
the breaker is closed.
Breakers > [Breaker] >
Feedback > [*B] open
Digital input
Continuous
Wire this feedback from the breaker, to inform the controller when
the breaker is open.
Breakers > [Breaker] >
Feedback > [*B] spring loaded
Digital input
Pulse
Optional. The breaker sends this pulse when it is spring loaded.
There is also a timer for spring loading.
Breakers > [Breaker] >
Feedback > ['B] short circuit
Digital input
Continous
Optional: Wire this feedback from the breaker, to inform the
controller if a short circuit occurs.
The following inputs and outputs are not part of the breaker configuration and are all optional.
Table 5.9
Breaker commands for a compact breaker
Function
IO
Type
Details
Breaker > [Breaker] > Command > [*B]
open
Digital input Pulse
This input has the same effect as pressing the
Breaker open
button on the display unit.
Breaker > [Breaker] > Command > [*B]
close
Digital input Pulse
This input has the same effect as pressing the
Breaker close
button on the display unit.
Breaker > [Breaker] > Command >
Block [*B] close
Digital input Continuous
The controller does not allow the breaker to close while this
input is active.
Parameters
Configure the parameters under
Configure > Parameters > Breakers > [Breaker] configuration
>
Configuration
.
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