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AX52XX_LT00_4A Beckhoff

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The Beckhoff AX52XX_LT00_4A is a 2-channel servo drive from the AX Digital Servo Drives series. It features a configurable output current of 0.5 A, supports up to 8 digital inputs, and provides one configurable digital output. The drive offers a control cycle time of 62.5 microseconds and communicates via EtherCAT.

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Product Description:

The AX52XX_LT00_4A is a dual-axis servo drive produced by Beckhoff for the AX Digital Servo Drives series. It modulates DC bus energy to control synchronous or induction motors in automated cells, providing coordinated motion and real-time feedback for machine tools, packaging lines, and material-handling stages. Motion commands and diagnostic data are exchanged through an EtherCAT system interface, providing deterministic synchronization with Beckhoff PLCs and third-party masters.

The drive executes current and position loops every 62.5 µs, a control-cycle interval that supports high-bandwidth trajectory correction on both axes. Its architecture groups the paired outputs as two independent channels, with each channel drawing from a shared DC link rated up to 875 VDC. This voltage margin allows the drive to accommodate regenerative peaks without overvoltage trips. The electronics are housed in an enclosure with an IP20 protection rating intended for cabinet mounting with forced airflow. Eight digital inputs accommodate overtravel switches or probe triggers. A single configurable digital output can indicate status or latch events while sourcing up to 0.5 A.

The internal brake chopper dissipates up to 14 kW of regenerated energy. If braking demand exceeds this capacity, an external resistor of at least 47 Ω can be connected to provide an external braking capacity of 15 kW. Feedback devices receive a dedicated 1 A supply, supporting multi-turn encoders and linear scales. The housing has a mechanical depth of 232 mm, an overall width of 92 mm, and a height of 317.70 mm, allowing the unit to fit three-tiered 600 mm control cabinets without interference. Input and output data are refreshed every 250 µs to keep ancillary signals aligned with the faster control loop. This direct signal handling allows overtravel switches, probe triggers, and status events to be incorporated into indexing sequences without auxiliary input and output modules.

Configurable Digital Output
1
Configurable Output Current
0.5 A
Control Cycle Time
62.5 µs
Depth
232 mm
Digital Inputs
8
Height
317.70 mm
I/o Update Time
250 µs
Max Dc Link Voltage
875 VDC
Max External Braking Power
15 kW
Max Internal Braking Power
14 kW
Min External Brake Resistor
47 Ω
Number Of Channels
2
Protection Rating
IP20
Sensor Supply Current
1 A
System Interface
EtherCAT
Width
92 mm

Frequently Asked Questions about AX52XX_LT00_4A:

Q: How many digital inputs are available on the AX52XX_LT00_4A servo drive?

A: The AX52XX_LT00_4A servo drive offers 8 digital inputs for flexible integration with external devices.

Q: What is the maximum DC link voltage for the AX52XX_LT00_4A?

A: This model supports a maximum DC link voltage of 875 VDC, allowing for high-performance operations.

Q: What control cycle time does the AX52XX_LT00_4A support?

A: The AX52XX_LT00_4A has a control cycle time of 62.5 microseconds, providing rapid response in automation systems.

Q: What system interface is used on the AX52XX_LT00_4A?

A: Communication with other automation equipment is achieved via the EtherCAT system interface.

Q: What is the maximal external braking power for the AX52XX_LT00_4A servo drive?

A: The AX52XX_LT00_4A is rated for up to 15 kW of external braking power, supporting demanding motion applications.


Internal Product Review

  • ‘‘The AX52XX_LT00_4A is a Beckhoff digital servo drive with two channels and an EtherCAT system interface. Fast 62.5 µs control cycle time and 250 µs I/O update time support responsive axis control and clean coordination in demanding motion applications. IP20 protection and up to 15 kW external braking power make the drive a strong fit for high-performance cabinet installations.’’

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