BDS3-230/12-01-400-5100A20 Kollmorgen
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The Kollmorgen BDS3-230/12-01-400-5100A20 is a brushless motor controller and part of the BDS Industrial Servo Drives series. This drive operates with a continuous output current of 12 Arms per phase and a DC bus voltage of 300 VDC. It is powered by a 3-phase 230 VAC main input and uses fan and convection cooling, with a weight of 20 pounds.
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Product Description:
The BDS3-230/12-01-400-5100A20 is a digital servo drive built by Kollmorgen for the BDS Industrial Servo Drives series. Designed as a brushless motor controller, the unit converts three-phase mains power into regulated output power that controls the position and velocity of permanent-magnet motors in automated machinery. It manages the high-power bus and a separate low-power control supply, providing an interface between the plant motion controller and the motor windings. During operation, the drive monitors current, voltage, and temperature limits to protect the power stage and connected motor. This arrangement supports closed-loop motion in production equipment that requires controlled acceleration, steady speed regulation, and accurate positioning.
The drive accepts a three-phase mains feed at 230 VAC (L-L) and rectifies it onto a DC link that operates at 300 VDC. The inverter delivers a continuous phase current of 12 Arms per phase and an intermittent phase current of 20 Arms per phase for brief acceleration demands. Output current is modulated at a carrier frequency of 4 kHz, supporting responsive current regulation while limiting switching noise. The control electronics receive power from an isolated, single-phase 115 VAC auxiliary line. Internal fans move cooling air across the heat-transfer surfaces, while the cold-plate base assists with removing heat from the power components. The controller weighs 20 lb, allowing it to be installed on standard cabinet back panels without substantial structural reinforcement.
The high-energy section can exceed its continuous operating limit for a peak period of 5 s. Its intermittent operation is subject to a cyclic limit of 30%, which restricts repeated peak-current demands and controls thermal rise within the drive. At the motor terminals, the inverter bridge produces a fundamental output voltage of 200 VAC (L-L) for compatible Kollmorgen brushless servomotors. Up to 6 amplifiers can share a common BDS supply section in a multi-axis system. This shared arrangement allows several axes to use the same bulk power section rather than requiring separate supply hardware for every amplifier. The drive monitors loading during repeated acceleration and deceleration cycles so that the permitted intermittent operating period is not exceeded.
