8BVI0055HCS8.000-1 B & R Automation
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The B & R Automation 8BVI0055HCS8.000-1 is part of the 8BVI Servo Controllers series and features a motor power of 5.5 kW with a maximum output frequency of 598 Hz. It has a nominal current rating of 7.6 Amps, supports cold plate or feed-through mounting, and is rated at IP20. The servo controller measures 317 mm in height, 53 mm in width, and 2.2 kg in weight.
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Product Description:
The 8BVI0055HCS8.000-1 is a servo controller produced by B & R Automation within the 8BVI Servo Controllers series. It is designed to regulate three-phase servo motors in automated machinery, providing the power conversion, current modulation, and protective logic needed for precise motion tasks on assembly lines, packaging equipment, and material-handling axes. Two plug-in slots accept option cards for fieldbus or encoder feedback, allowing the controller to adapt to different machine interfaces. Its control architecture is suited to machines that need stable torque response during repeated starts, stops, and speed changes across coordinated axes.
This unit delivers a continuous output current of 7.6 A, sized for mid-range torque servomotors that draw steady RMS current during positioning cycles. Its motor output capacity reaches 5.5 kW, indicating the maximum mechanical power the controller can transfer without thermal derating. An enclosure rating of IP20 limits installation to cabinets where no accidental contact with live parts can occur while still allowing convection airflow. For high-speed applications, the power stage supports output frequencies up to 598 Hz, enabling motors with low electrical time constants to track rapidly changing velocity commands. The pulse-width modulation stage operates at a nominal switching frequency of 5 kHz, balancing current ripple control with manageable switching losses in the IGBTs.
The peak current reserve of 18.9 Aeff accommodates short acceleration bursts that exceed continuous ratings without triggering overcurrent trips. Operation in the HV voltage class aligns the drive with DC-bus levels typical of multi-axis machine frames. Cabinet space is conserved by a frontal width of 53 mm, while the controller’s mass of 2.2 kg eases handling during service. Overall height is 317 mm, and depth varies between 212 mm on a cold-plate mount and 209 mm when installed through a cabinet wall for feed-through cooling. STO-controlled brake engagement integrates safety torque-off with coordinated brake release, and the mounting system supports either cold-plate conduction or through-panel heat extraction.
