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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