8BVI0055HWSS.000-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8BVI0055HWSS.000-1 is part of the 8BVI Servo Controllers series and offers a continuous motor power of 5.5 kW with a continuous current of 7.6 Aeff. It features two 24 VDC outputs, two enable inputs, and supports a maximum output frequency of 598 Hz with a DC bus voltage of 750 VDC. This unit provides a peak current of 18.9 Aeff and includes two plug-in module slots for expansion.
Internal Product Review
The 8BVI0055HWSS.000-1 is a B & R Automation servo controller with 5.5 kW continuous motor power and 7.6 Aeff continuous motor current. A 750 VDC DC bus and 598 Hz maximum output frequency support stable high-speed motor control in demanding axes. A very capable controller for machine builders needing consistent servo performance.
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Product Description:
The 8BVI0055HWSS.000-1 from B & R Automation belongs to the 8BVI Servo Controllers series and serves as a compact drive module for synchronous motor axes in industrial motion systems. It conditions the DC bus, generates pulse-width-modulated phase currents, and provides internal I/O for coordinating motor braking and safety interlocks. By converting the plant’s rectified DC supply into controlled sinusoidal outputs, the unit maintains the precise speed, position, and torque required by automated packaging lines, material-handling equipment, and assembly cells. Its compact design allows the controller to be integrated into motion systems where installation space is limited.
The controller delivers a continuous mechanical output of 5.5 kW, allowing it to support sustained motor loads without thermal derating under the stated operating conditions. The converter supplies the motor with an RMS phase current of 7.6 A while operating from a DC link at 750 VDC. Its power stage switches at a carrier frequency of 5 kHz, balancing switching losses with dynamic motor response. The output frequency can reach 598 Hz, supporting high-speed spindle and linear motor applications. The controlled phase output allows the connected synchronous motor to respond accurately to changing torque and speed commands. Protective fuses and contactors should be selected with the controller’s input capacitance and inrush behavior in mind.
For short acceleration periods, the inverter can supply an RMS peak current of 18.9 A, providing additional torque above the continuous operating limit. As installation altitude increases, the allowable current decreases by 0.76 A per 1,000 m, so the available output must be evaluated for elevated locations. A 165 µF DC-link capacitor stores energy and helps stabilize the bus during rapid load changes. The motor brake output supports a coil current of 1.1 A, and the mechanical brake can be switched at 0.5 Hz without exceeding its thermal limit. Two 24 VDC auxiliary outputs can power devices such as encoders or fans, while two enable inputs provide redundant run-permission channels. One motor connector simplifies cable routing between the controller and motor. Two plug-in module slots accommodate option cards for fieldbus communication or safe-motion functions.
