AX2020
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The AX2020 servo drive features Pulse Width Modulation (PWM) control, a rated current of 2.5A, a compact aluminum alloy housing, and DIN rail mounting. Part of the AX Digital Servo Drives series by Beckhoff, it offers IP65 protection and operates within -10°C to +60°C for reliable performance in demanding environments.
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Product Description:
The AX2020 Digital servo amplifier is designed for industrial automation tasks that require precise control and robust connectivity. The servo amplifier is designed by Beckhoff and is suitable for integration into advanced systems that demand consistent operation and flexible interfacing.
The AX2020 digital servo amplifier operates with a rated supply voltage of 3×208V–10 % to 3×480V+10% at 50/60 Hz and a rated DC bus link voltage between 290VDC and 675VDC. The auxiliary power supply functions at 24 VDC. It draws 3 A with the brake activated, and 1 A without a present brake. The rated output current is 20 A rms, with a peak output current of 40 A for up to 5 seconds. The output stage clock frequency is 8 kHz, which increases to 16 kHz if the DC bus voltage is 400 V or less. At rated current, the residual voltage drop is 5 V. The quiescent dissipation is 15 W, and power dissipation at rated current, including power supply losses, is 200 W.
The regeneration circuit has an overvoltage shutdown threshold of 900 V, an upper switch-on level of 840-870 V, and a switch-off level of 800-830 V, operating at a 3×480 V input. Dissipation of continuous electricity from the outside is 1.5 kW, whilst dissipation from within is 200 W. Users can install the AX2020 digital servo amplifier at altitudes up to 1000 m without derating or up to 2500 m with the proper derating, and it is rated for ambient operating temperatures from 0°C to +45°C, with derating up to +55°C. The cooling is accomplished through forced convection with the help of an internal fan, and the protection level is IP20.
Frequently Asked Questions about AX2020:
Q: Does AX2020 support resolver and encoder feedback?
A: Yes, the servo amplifier supports both resolver and encoder feedback that allows flexible integration with various motor types and enhances motion control precision.
Q: How does AX2020 handle overvoltage conditions?
A: The servo amplifier includes a regen circuit with an overvoltage shutdown threshold of 900 V that protects internal components and ensures operational safety.
Q: Why is the output stage clock frequency adjustable in AX2020?
A: The output stage clock frequency is 8 kHz or 16 kHz with VDC ≤ 400 V that optimizes switching performance based on supply voltage.
Q: Do AX2020 digital inputs comply with IEC 61131-2?
A: Yes, the servo amplifier digital inputs are optically isolated and comply with IEC 61131-2 that provides compatibility with standard industrial control systems.
Q: How does AX2020 ensure safe operation at higher altitudes?
A: The servo amplifier operates up to 1000 m without derating and up to 2500 m with derating that maintains reliable performance in elevated installations.
