8BVI0028HWS0.000-1 B & R Automation
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The 8BVI0028HWS0.000-1 is a servo controller from the 8BVI Servo Controllers series manufactured by B & R Automation. It has a continuous motor power rating of 2.8 kW and a continuous motor current of 3.8 Aeff. The controller operates with a DC bus voltage of 750 VDC and features IP20 protection.
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Product Description:
The 8BVI0028HWS0.000-1 servo controller is produced by B & R Automation within the 8BVI Servo Controllers series. The unit modulates current and voltage for brushless servo motors so that axis position, speed, and torque follow programmed motion profiles in packaging machines, material-handling cells, and other automated equipment. By rectifying the incoming mains and generating a regulated DC bus, the controller supplies pulse-width-modulated power to the motor phases while an integrated brake output manages stop functions.
At the power stage, the controller sustains a 3.8 Aeff continuous motor current that corresponds to 2.8 kW of constant mechanical output, while momentary demands can be met with a 9.5 Aeff peak current. The internal link operates from a 750 VDC bus and draws 2.87 kW under rated load. The inverter switches at a nominal frequency of 5 kHz and can deliver phase frequencies up to 598 Hz, allowing high-speed rotor operation. A dedicated brake channel supplies 1.1 A at 24 VDC (+5.8 / -0 %) to release or hold mechanical brakes, and discharge circuitry with 0.14 µF capacitance bleeds residual energy when power is removed.
To support transient energy exchange, the DC link is equipped with a 165 µF electrolytic bank, and the unit remains touch-safe inside an enclosure rated IP20. Cable management is simplified because the amplifier can drive motor leads up to 10 m in length when the pulse pattern is set to 20 kHz. The slim mechanical form of 53 mm in width, 263 mm in depth, and 317 mm in height fits into standard 300 mm switchgear frames without obstructing airflow. This layout helps the controller fit neatly into compact control cabinets used for single-axis or modular servo systems.
