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￭
Control by PC tools
There is a USB connector on the front of the panel that can be used to connect a PC to the
drive.
￭
Fieldbus control
The unit can be controlled through a fieldbus interface if it is equipped with an optional
fieldbus adapter, and when the control program has been configured for fieldbus control by
parameters. For information on the parameters, see the firmware manual.
￭
DC switch and charging switch
DC switch/disconnector (option +F286)
The brake unit can optionally be equipped with DC switch/disconnectors which allow the
isolation of the brake chopper modules from the DC bus. When a brake chopper module is
reconnected to the DC bus, its DC capacitors are automatically charged through a charging
circuit.
The status of the DC switch/disconnector is connected to the DIIL input on the brake control
unit. By default, the run enable signal is removed when the DC switch/disconnector is open.
WARNING!
Do not open the DC switch/disconnector under load.
Charging switch
The brake chopper modules equipped with a DC switch/disconnector have a DC link
precharging circuit including an xSFC-02 charging control unit and a charging switch on the
cubicle door.
Type designation labels
Each brake unit and brake chopper module is equipped with type designation labels.
Operation principle and hardware description 23
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