AX2020 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff AX2020 is part of the AX Digital Servo Drives series and weighs 7.5 kilograms. The drive features a rated output current of 20 Arms and a peak output current of 40 Arms. It has a rated installed load of 14 kVA and a dissipation at rated current of 200 watts.
Internal Product Review
The AX2020 is a Beckhoff digital servo drive with a rated output current of 20 Arms and a peak output current of 40 Arms. An 8 kHz output stage clock and 14 kVA rated installed load support responsive control and strong drive performance in demanding motion applications.
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Product Description:
The AX2020 is a digital servo drive manufactured by Beckhoff for the AX Digital Servo Drives series. It is intended for positioning and velocity control in industrial automation cells, packaging stations, and material-handling equipment. The drive converts three-phase supply power into regulated motor current, allowing connected equipment to execute precise, closed-loop motion sequences.
The housing measures 275 mm in height, 120 mm in width, and 265 mm in depth without connectors, while the drive has a mass of 7.5 kg for straightforward cabinet mounting. Electrical planning must reserve 14 kVA of installed load on the supply bus, and the residual voltage drop of 5 V between the DC link and motor terminals influences torque at low speed. The output stage switches at 8 kHz, allowing the current loops to respond quickly and operate with an output current form factor of 1.01 that approximates a sinusoidal waveform. Compatible motors must have inductance between 2 mH and 12 mH because operation outside this range degrades current regulation. An input resistance of 20 kΩ to analog ground protects upstream reference sources, and a maximum common-mode voltage of 10 V maintains signal integrity for differential feedback devices.
The drive delivers a continuous phase current of 20 A RMS and can supply 40 A RMS for acceleration within its short-term overload curve. When running at rated current, the power stage dissipates 200 W, which must be removed by panel ventilation to keep the heat sinks within operating limits. During idle operation, quiescent power consumption is 15 W, reducing standby energy demand while still supporting the control electronics and fieldbus communication. The specified inductance range supports stable current regulation across compatible motor windings. Its 8 kHz switching frequency allows the output stage to adjust motor current rapidly as load and motion commands change.
