8BVI066HCSS.000-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8BVI066HCSS.000-1 is part of the 8BVI Servo Controllers series. It supports a continuous motor current of 66 Amps and delivers continuous motor power of 48 kilowatts. This servo controller has a nominal DC bus voltage of 750 VDC and features an EnDat 2.2 encoder interface with a data rate of 6.25 Mbit/s.
Internal Product Review
The 8BVI066HCSS.000-1 servo controller from B & R Automation delivers impressive continuous motor current at 66 Aeff and peak current up to 132 Aeff, making it suitable for demanding servo applications. Featuring a nominal DC bus voltage of 750 VDC and IP20 degree of protection, the unit ensures high-efficiency operation in well-controlled environments. With an EnDat 2.2 encoder interface supporting data rates of 6.25 Mbit/s, this model stands out for applications requiring precise feedback and control.
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Product Description:
The 8BVI066HCSS.000-1 is a servo controller produced by B&R Automation within the 8BVI Servo Controllers series. Intended for industrial automation tasks, it converts the shared DC bus energy of a multi-axis system into phase-accurate motor voltages that follow torque, speed, and position commands issued by the machine control. By synchronizing the power section with feedback from attached encoders, the device provides closed-loop motion control for assembly cells, packaging lines, and gantry axes that demand high cycle rates and repeatable positioning.
At the power stage, the inverter supplies a continuous motor current of 66 Aeff and supports a power output of 48 kW. Short acceleration bursts are covered by a peak capability of 132 Aeff. Energy is taken from a 750 VDC common bus and filtered by 1980 µF of internal capacitance, which helps limit voltage ripple during dynamic load changes. The insulated-gate drivers operate at a nominal switching frequency of 5 kHz, balancing electromagnetic noise, heat generation, and current ripple. These electrical limits set the thermal range that can be maintained without external fans when the unit is mounted in a ventilated control cabinet.
For motor feedback and diagnostics, the controller integrates an EnDat 2.2 interface that exchanges position data at 6.25 Mbit/s, supporting high-resolution interpolation in the velocity loop. The output stage can synthesize carrier frequencies up to 598 Hz, which supports high-speed spindle and sealing-wheel applications. A 25 VDC ±1.6% auxiliary input feeds the brake driver, allowing the circuit to deliver 4.2 A through a 0.15 Ω resistor to hold the motor shaft when power is removed. Environmental protection is rated at IP20, so the unit must be installed behind a cabinet door while still permitting quick access to field-wiring connectors and status LEDs.
