AX2090-BW51-3000

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The AX2090-BW51-3000 is an 8 Kilogram external braking resistor designed for AX5118, AX5125, AX5140, and AX5021 braking units. Manufactured by Beckhoff as part of their AX Digital Servo Drives series, it features a power rating of 3 kW. It integrates an EtherCAT interface for diagnostics and parameterization capabilities.

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Product Description:

The AX2090-BW51-3000 external braking resistor offers a reliable solution for managing excess energy in servo drive systems; it is designed primarily for use with AX5118, AX5125, AX5140, and AX5021 braking units. It is a critical component to ensure seamless and secure braking functionality within appropriate digital servo drive applications. This braking resistor handles substantial power, with a power rating of 3 kW, ensuring effective energy dissipation in various industrial scenarios. The resistor’s design allows brake energy to be converted into heat through its carefully calibrated voltage-controlled mechanism meeting the demands of stringent motion control requirements.

Among its key features, the braking resistor sports a resistance of 23.4 Ω, with the capability of handling continuous power up to 6 kW when used alongside the AX5021 braking unit to enhance operational efficiency. With the assistance of an EtherCAT interface that enables diagnostics and parameterization, the integration becomes easier, allowing for detailed monitoring and adjustments in real-time. The activation is carried out when regenerative energy feeds back into the DC link, and the threshold is exceeded. All of these different elements play a very big part into the way that the power of the unit is used.

When installing the AX2090-BW51-3000 braking resistor, placement should be outside of the control cabinet to avoid any kind of unnecessary temperature spikes, by achieving this, overall performance and lifespan are enhanced. The unit's dimensions are 355 x 255 x 490 mm, it weighs approximately 8 kg; the recommendation of the supply cable is <

Activation condition
Activates when regenerative energy feedback into DC link exceeds threshold
Application
External braking resistor for AX5118, AX5125, AX5140, AX5021 units
Brake energy buffer capacitance
705 µF
Dimensions (W×H×D)
355×255×490 mm
Heat conversion
Converts brake energy to heat via voltage-controlled resistor
Installation
Mount outside control cabinet to avoid extra temperature rise
Interface
EtherCAT for parameterization and diagnostics
Max continuous output power
6 kW (with AX5021)
Power rating
3 kW
Recommended supply cable
ZK4000-2102-2zzz (2.5 mm²)
Resistance
23.4 Ω
Weight
8 kg

Frequently Asked Questions about AX2090-BW51-3000:

Q: What braking units is the AX2090-BW51-3000 external braking resistor designed for?

A: The AX2090-BW51-3000 external braking resistor is designed for AX5118, AX5125, AX5140, and AX5021 braking units.

Q: What is the power rating of the AX2090-BW51-3000 braking resistor?

A: The power rating of the AX2090-BW51-3000 braking resistor is 3 kW.

Q: What is the resistance of the AX2090-BW51-3000 external braking resistor?

A: The resistance of the AX2090-BW51-3000 external braking resistor is 23.4 Ω.

Q: Where should the AX2090-BW51-3000 braking resistor be installed?

A: The AX2090-BW51-3000 braking resistor should be installed outside of the control cabinet to avoid additional temperature increase.

Q: What interface does the AX2090-BW51-3000 braking resistor use for parameterization and diagnostics?

A: The AX2090-BW51-3000 braking resistor uses an EtherCAT interface for parameterization and diagnostics.


Internal Product Review

  • ‘‘AX2090-BW51-3000 braking resistor provides efficient energy dissipation for servo drives. Its robust design and reliable performance make it ideal for demanding motion control applications, ensuring smooth and safe operation of braking systems.’’

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