PRD-AMPB25EB-00 Kollmorgen
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The Kollmorgen PRD-AMPB25EB-00 is a servo drive from the PD Servostar Servo Drives series. This drive features a 14-bit analog input resolution and a processor clock speed of 40 MHz. It supports a current sample rate of 16 kHz and can accommodate encoder frequencies up to 3 MHz.
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Product Description:
The PRD-AMPB25EB-00 is a servo drive produced by Kollmorgen for the PD Servostar Servo Drives series. It conditions command signals and modulates motor phase currents so that brushless servo motors follow precise speed and torque references in automated machinery, packaging equipment, and coordinated multi-axis assemblies. By integrating power electronics, motion firmware, and safety monitoring into a compact 140 mm × 108 mm × 51 mm frame, the unit fits into dense control panels and supplies the closed-loop regulation needed for industrial automation tasks.
An analog input resolution of 14 bits allows the controller to distinguish among 16,384 discrete command levels, which supports fine velocity and torque adjustments. The drive accepts incremental or absolute feedback at frequencies up to 3 MHz, so high-speed encoders can report position without missed edges. Control algorithms run on a 40 MHz processor. Paired with a current sampling rate of 16 kHz, this processing speed maintains phase alignment between sensed current and commanded vectors. Pulse-width modulation uses a carrier frequency of 16 kHz, while a PWM current-ripple filter operates at 32 kHz to attenuate harmonics. Velocity loops reach a bandwidth of 400 Hz, giving the actuator a quick response to trajectory changes without excessive overshoot. The drive measures 108 mm wide, 140 mm high, and 51 mm deep, simplifying enclosure layout in compact control panels.
The power section provides a surge current of 30 A for rapid acceleration, and its internal supply delivers up to 250 mA to encoder electronics through the feedback port. Field wiring safety is supported by a fault relay rated at 1 A, allowing it to connect to an appropriate external safety circuit. Thermal protection trips at 80 °C to prevent excessive internal temperatures. The capacitor bank reaches full charge within 0.25 seconds, minimizing startup delays before normal operation begins. Logic inputs draw only 0.6 A, keeping the control-side electrical load low during operation. These electrical characteristics support responsive motor control while helping protect the drive and connected feedback equipment from abnormal operating conditions.
