BDS4A-210J-0001\403C21P Kollmorgen
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The Kollmorgen BDS4A-210J-0001\403C21P is part of the BDS Industrial Servo Drives series and delivers a continuous output current of 10.0 Amps RMS per phase and a continuous output power of 3.6 kVA. This drive provides a peak output current of 20.0 Amps RMS per phase, operates with a main DC bus range of 250 to 360 VDC, and has a maximum output voltage of 230 VAC.
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Product Description:
Kollmorgen manufactures the BDS4A-210J-0001\403C21P servo drive as a member of the BDS Industrial Servo Drives series. The unit functions as a three-phase amplifier that converts power from the DC link of a machine cabinet into controlled sinusoidal output for brushless servo motors. In automated packaging, material-handling, and positioning equipment, it provides closed-loop current and velocity regulation while transmitting encoder feedback to the motion controller. This control architecture allows the connected motor to respond accurately to changes in commanded speed, torque, and position during repetitive machine cycles.
Its continuous phase current rating is 10.0 A RMS per phase, supporting axis loads that draw steady torque without overheating the power stage. At this current, the drive can deliver 3.6 kVA of continuous apparent power at the motor terminals. For short acceleration bursts, it supplies up to 20.0 A RMS per phase, and the available headroom in the power stage raises the output to 7.3 kVA. The transistor bridge operates at a 10.0 kHz PWM switching rate, while a 20 kHz carrier profile limits motor current ripple. With a line-to-line capability of 230 VAC, the drive connects to standard low-voltage servo motors. The thermal design directs 95 W of internally generated heat to the panel surface so cabinet airflow can maintain the rated output. The DC bus can operate from a minimum of 250 VDC to a maximum of 360 VDC, providing flexibility when a shared rectifier feeds several drives.
Position feedback processing uses a resolver-to-digital converter that resolves shaft angle to 4096 counts per revolution. The converter maintains an accuracy of ±4.0 arc-minutes and a repeatability of 5.27 arc-minutes, supporting predictable returns to commanded positions after successive moves. Resolver excitation operates at 7 kHz, and an electronic encoder output is available for controllers that require secondary feedback. The internal capacitors and IGBTs support a maximum DC-link voltage of 360 VDC. As the ambient temperature changes, velocity remains within 0.075% per °C, helping keep speed error low during extended duty cycles.
