8BVI0055HWD0.000-E B & R Automation
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The B & R Automation 8BVI0055HWD0.000-E is a servo controller from the 8BVI Servo Controllers series. It delivers a continuous power of 5.5 kW and continuous current of 7.6 A per motor. The controller operates with a DC bus voltage of 750 VDC and features an IP20 protection rating.
Internal Product Review
The 8BVI0055HWD0.000-E is a B & R Automation servo controller with 5.5 kW continuous power per motor and 7.6 Aeff continuous current per motor. IP20 protection and a 750 VDC bus make the unit well suited for stable cabinet-based drive integration. A peak current per motor of 18.9 Aeff stands out as a strong advantage for demanding motion-control applications.
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Product Description:
The 8BVI0055HWD0.000-E is a multi-axis servo controller produced by B&R Automation for its 8BVI Servo Controllers series. Designed for cabinet installation, the unit supplies a regulated DC link and two inverter stages that independently drive paired servo motors. Within an automated cell, it provides closed-loop velocity and torque control, allowing motion sequences to synchronize with PLC cycles and sensor feedback on packaging, assembly, and material-handling lines. It also integrates with X20 I/O and SafeLOGIC platforms through standard system buses, forming the actuation layer between high-level logic and electromechanical axes.
Each motor channel can deliver a continuous mechanical output of 5.5 kW, indicating how much power the drive can sustain without thermal derating. To maintain that output, it supplies an RMS phase current of 7.6 A, while short acceleration bursts are supported by a peak current of 18.9 A. Energy is taken from a shared DC link that operates at 750 V DC, which supports fast torque response and permits smaller conductors. Pulse-width modulation operates at a nominal carrier frequency of 5 kHz, balancing motor inductance use, audible noise, and semiconductor switching losses.
DC-link capacitive storage of 330 µF absorbs regenerated energy during deceleration and smooths line-side ripple, while a 0.2 µF discharge stage lowers the bus voltage after shutdown. Motor leads may be routed up to 25 m at the stated carrier frequency without excessive reflected-wave stress. Convection cooling supports installation at altitudes up to 4000 m. The housing has an IP20 protection rating and measures 317 mm high, 53 mm wide, and 263 mm deep, allowing dense wall mounting beside other 8BVI modules. Two dedicated brake outputs supply 1.1 A each to hold vertical axes or stop loads during emergency power-off events.
