PRD-KD40EAIz-62 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The PRD-KD40EAIz-62 is a drive from Kollmorgen's CD Servostar CD Drives series. It has a continuous current of 6 Amps RMS per phase, supports a continuous power output of 2.2 kW, and uses an analog control interface with a 14-bit input resolution. The drive measures 256 mm in height, 88.4 mm in width, 216 mm in depth, and weighs 2.22 kg.
Internal Product Review
The PRD-KD40EAIz-62 is a Kollmorgen Servostar CD drive that pairs analog control with resolver feedback for dependable motion integration. Tight 0.01% speed regulation and a 250 µs velocity update rate support precise, responsive axis performance. Continuous 2.2 kW output and 18 A RMS/phase peak current make this unit a strong choice for demanding servo applications.
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Product Description:
The PRD-KD40EAIz-62 is a servo drive module built by Kollmorgen for the CD Servostar CD Drives series. As a closed-loop amplifier, it feeds controlled current and voltage to a servomotor so motion axes in machine tools, packaging lines, and automated handling stations follow precise speed or torque commands. The unit relies on analog command signals and resolver feedback to regulate rotor position, making it a common choice where mature control systems and deterministic responses are required in industrial automation cells.
Its command stage accepts ±10 V references that are digitized at 14-bit resolution, giving 16,384 discrete levels for fine velocity or torque adjustments. The current loop delivers a continuous phase output of 6 A RMS per phase, enabling moderate-frame brushless motors to reach rated torque without overheating. Pulse-width modulation is generated at 8 kHz, a switching frequency high enough to keep motor ripple current and acoustic noise low. With speed feedback processed every 250 µs, the velocity regulator can react to load changes four thousand times per second, supporting indexing and short-move profiles. A closed-loop speed error of only 0.01% keeps conveyor or spindle speed steady even when the mains voltage or load inertia fluctuates.
During demanding acceleration, the drive can supply 18 A RMS per phase for short periods, which is three times its continuous rating. The internal transistors support up to 2.2 kW of continuous mechanical output while producing 80 W of heat that must be removed by panel airflow. The mains section accepts 2.8 kW of input power from a three-phase source and requires an external 24 V logic supply for the control electronics. The module measures 88.4 mm wide, 216.0 mm deep, and 256.0 mm high, allowing it to fit within compact control cabinets. Its mass of 2.22 kg keeps the load on cabinet mounting structures relatively low.
