BDS3-230/12-01-243 Kollmorgen
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The Kollmorgen BDS3-230/12-01-243 is part of the BDS Industrial Servo Drives series and uses a brushless sine wave controller with a velocity control loop. This bidirectional drive operates at 230 VAC output voltage and delivers a continuous output current of 12 A RMS per phase. It is fan cooled, supports four quadrant operation, and is designed for use with permanent magnet synchronous motors.
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Product Description:
The BDS3-230/12-01-243 is a servo drive produced by Kollmorgen for the BDS Industrial Servo Drives series. This module converts fixed-frequency plant power into variable-frequency output that synchronizes with a permanent-magnet servo motor. Installed in multi-axis machinery, it supplies regulated current to maintain accurate position control and consistent acceleration during indexing, conveying, or profiling tasks. Its compact format also supports installation in control cabinets where available mounting space is limited.
The drive delivers a continuous phase current of 12 A RMS per phase, enabling mid-frame servo motors to reach their rated torque without thermal derating. A closed velocity loop operates inside the drive, so commanded speed changes are filtered and stabilized before reaching the motor. The output stage provides 230 VAC line-to-line RMS, matching common 200–240 V motor windings without requiring an external step-down transformer. Its fan-cooled construction removes heat produced by switching and conduction losses, maintaining acceptable component temperatures during repetitive duty cycles. The module is only 4 inches wide, allowing dense side-by-side mounting where panel space is restricted. Power, feedback, and fan connections terminate on front-accessible screw clamps, which simplify wiring access during installation and maintenance.
Control is generated by a brushless sine-wave power amplifier that synthesizes smooth sinusoidal waveforms to reduce torque ripple in the connected motor. Motion commands can drive the axis in either direction because of the drive’s bidirectional operation. Regenerative braking functions across four operating quadrants, allowing deceleration energy to return to the DC bus instead of being dissipated entirely as heat. The drive is intended for a permanent-magnet synchronous motor, allowing precise electrical angle alignment between the stator field and rotor magnets during rapid speed changes. This operating arrangement accommodates machinery that alternates load direction, including pallet systems and conveyor sections that require controlled reversals. Smooth current generation also helps the connected axis maintain stable motion when transitioning between acceleration, steady speed, and deceleration.
