8BVI0220HCSS.000-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8BVI0220HCSS.000-1 is a servo controller from the 8BVI Servo Controllers series. It delivers a continuous power of 16 kW and has a peak current of 55 Aeff. The controller operates with a DC bus voltage of 750 VDC and features two 24 V outputs.
Internal Product Review
The 8BVI0220HCSS.000-1 is a B & R Automation servo controller rated for 16 kW continuous power with 22 Aeff continuous current. Strong dynamic capability comes from 55 Aeff peak current and 598 Hz maximum output frequency, supporting responsive motor control. A 750 VDC DC bus and 5 kHz switching frequency give this unit a refined, high-performance profile for demanding motion applications.
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Product Description:
B&R Automation manufactures the 8BVI0220HCSS.000-1, a servo controller in the 8BVI Servo Controllers series. The device converts regulated control power into a high-energy, pulse-width-modulated output that synchronizes with the stator windings of a connected motor. This solid-state architecture allows industrial automation systems to execute accurate speed and torque profiles without mechanical switching elements.
Under rated load, the drive supplies a continuous phase current of 22 Aeff, while short duty cycles can draw up to 55 Aeff for rapid acceleration. These currents are supported by a DC link held at 750 VDC. The link stores energy in an input capacitor bank rated at 32.9 µF, helping the power stage respond to changing motor demand. The power stage converts the direct voltage into a sinusoidal waveform at a fixed switching frequency of 5 kHz. With copper losses accounted for, the controller can deliver 16 kW of continuous mechanical power to the motor shaft, while its input power remains near 16.2 kW during nominal operation. A 25 VDC ±1.6% logic supply powers the gate drivers and feedback circuits, connecting the motion section to the machine’s control backplane without requiring an external converter.
The modulation engine can reach an output frequency of 598 Hz, enabling operation with high-speed spindles or linear motors. For vertical axes, the integrated brake channel provides 4.2 A at a brake voltage of 24 VDC with a tolerance of +5.8% and −0%, allowing the brake to secure the load whenever the drive is disabled. Energy returned during deceleration is absorbed by a bus capacitance of 495 µF. An internal series resistance of 0.15 Ω damps regenerative transients and limits abrupt current changes within the DC bus. Two protected 24 V outputs communicate drive status to external relays, while a single motor connection reduces the number of power connections required inside the cabinet.
