8BVI1650HCS0.000-1 B & R Automation
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The B & R Automation 8BVI1650HCS0.000-1 is a servo controller from the 8BVI Servo Controllers series. It supports a continuous power output of 120 kW and has a continuous current rating of 165 Aeff with a peak current of 330 Aeff. The controller operates at a DC bus voltage of 750 VDC and is rated at IP20 protection.
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Product Description:
The 8BVI1650HCS0.000-1 is a servo controller produced by B&R Automation and supplied within the 8BVI Servo Controllers series. As a drive module, it converts the high-voltage DC link into the three-phase output required for large AC or synchronous motors, coordinating torque, speed, and position loops in automated cells, presses, and packaging machines. By integrating power electronics, brake management, and logic supply rails, the unit forms the interface between supervisory PLC commands and the mechanical motion elements of the machine. It allows one controller to manage motor power delivery and motion response from startup through controlled stopping.
With a continuous current capability of 165 Aeff, the controller can sustain heavy motor loads without derating. That current translates to an output of up to 120 kW, matching axes such as extruders or coil winders. The internal DC link is maintained at 750 VDC, and 3630 µF of bus capacitance smooths regenerated energy to prevent voltage spikes. Modulation occurs at a nominal switching rate of 5 kHz, balancing motor ripple and semiconductor losses. Additional 0.9 µF of discharge capacitance allows the link to fall to a safe level after shutdown, while brake circuitry with 0.15 Ω of internal resistance dissipates kinetic energy during quick stops. This arrangement helps stabilize the power stage during rapid load changes and supports controlled deceleration when energy returns from the motor.
For short accelerations, the inverter can supply a peak phase value of 330 Aeff, giving headroom for rapid indexing. The output frequency can reach up to 598 Hz, so high-pole motors can operate at elevated speeds. Control electronics and the brake driver draw a regulated 25 VDC supply, and 32.9 µF of capacitance buffers brief dips. An IP20 enclosure suits mounting inside a ventilated cabinet. Even while idle, the power section dissipates 13.5 W, a figure to include in thermal calculations. Continuous brake current support of 4.2 A keeps holding torque active during machine pauses.
