8BVI0880HWS0.008-1 B & R Automation
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The B & R Automation 8BVI0880HWS0.008-1 is part of the 8BVI Servo Controllers series and offers a continuous motor current of 88 Amps and a peak current of 176 Amps. This servo controller has a continuous motor power of 64 kW and supports wall mounting. It features a 24 V supply input voltage of 25 VDC with a capacitance of 32.9 microfarads and a protection rating of IP20.
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Product Description:
The 8BVI0880HWS0.008-1 servo controller is manufactured by B&R Automation for the 8BVI Servo Controllers series. It serves as the power and control interface between the plant’s DC supply and large-frame servomotors, regulating three-phase output so automated lines can position heavy loads, synchronize multiple axes, and recover braking energy during deceleration. Integrated brake terminals and expansion slots let machine builders add motion control, fieldbus, and safety functions within a single wall-mounted drive package.
The power stage is linked to a 750 VDC bus buffered by 1,980 µF of capacitance, limiting voltage excursions when regenerative current flows back from the motor. Under rated conditions, the inverter provides 64 kW of mechanical output while sustaining a phase current of 88 A RMS. Short-term overloads can reach 176 A RMS to start high-inertia loads. Continuous electrical demand is 65 kW, so cabinet cooling must accommodate the resulting heat load. A maximum output frequency of 598 Hz supports high-speed spindles or extended field-weakening ranges. The depth of 263 mm keeps the heat sink within standard enclosure frames.
The control section draws from a 24 V rail that tolerates 25 VDC ±1.6%, with 32.9 µF of input capacitance filtering supply ripple. A dedicated brake output supplies 4.2 A, allowing an external holding brake to clamp the motor shaft when power is removed. Pulse-width modulation can be set to 5, 10, or 20 kHz, providing a choice between lower switching losses and reduced acoustic noise. The enclosure has an IP20 protection rating, so the controller requires installation inside a protected cabinet using its integrated wall-mounting brackets. The housing measures 213.5 mm in width and leaves wiring space above its top edge. Two plug-in module slots accommodate encoder or network adapters without changing the mechanical footprint.
