AX2513-B900 Beckhoff
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The Beckhoff AX2513-B900 is part of the AX Digital Servo Drives series and has a rated output current of 3 Amps, with a peak output current of 9 Amps. It features an analog input resistance of 20 kiloohms and a clock frequency of 8 kHz. This drive weighs 3 kilograms, has dimensions of 100 mm width, 230 mm height, and 240 mm depth.
Internal Product Review
The AX2513-B900 is a Beckhoff digital servo drive with a 3 A rated output current and 9 A peak output current. An analog input resolution of 1.25 mV and a 62.5 µs update rate support precise command tracking and responsive control behavior. A very capable servo platform for applications that demand stable current delivery and accurate signal handling.
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Product Description:
The AX2513-B900 is a single-axis digital servo drive developed by Beckhoff for the AX Digital Servo Drives series. As a compact power module, it converts the DC-link voltage of a multi-axis supply into pulse-width-modulated output phases that energize synchronous or induction motors. Within an automation cell, this drive executes position, velocity, and torque commands issued by the machine controller, enabling accurate motion of conveyors, pick-and-place gantries, and robotic joints where a deterministic response is required.
At the analog command interface, an input impedance of 20 kΩ shields the signal source from loading, and the converter resolves reference changes down to 1.25 mV. These samples are refreshed every 62.5 µs, feeding a current loop clocked at 8 kHz for tight control of following error. Thermal behavior is predictable because power losses stay at 35 W when the drive delivers its nominal current. A depth of 240 mm keeps the unit within shallow control cabinets, and the 12 W quiescent dissipation minimizes standby heating. This combination of high resolution and rapid conversion supports smooth velocity loops in packaging lines that demand micron-level positioning.
Compatible motor inductances range from 12 mH to 75 mH, letting the drive pair with low-inertia stages or high-torque windings without instability. A hardware cutoff disconnects the DC bus if line surges push it above 750 V, preventing device damage. Continuous phase output is rated at 3 A, yet acceleration peaks can reach 9 A for short intervals; in hoist or press applications, this transient headroom avoids torque foldback during critical starts. The dedicated 1.5 A brake supply secures vertical axes when power is removed. A width of 100 mm and a height of 230 mm simplify side-by-side mounting, and the aluminum enclosure weighs 3 kg, easing installation on DIN rails.
