Product Description:

The AX2523-B750 is a dual-axis drive module from Beckhoff that belongs to the AX Digital Servo Drives series. It is intended for closed-loop control of synchronous servomotors in automated machinery, where it converts DC-bus power into precisely metered phase currents and relays position data to the motion controller. With a 50 mm width, 240 mm depth, and 230 mm height, the unit fits compact control cabinets, and its 1.7 kg mass simplifies DIN rail mounting alongside other AX family drives.

The drive’s analog front end supports a differential command range of ±10 V. The input stage presents 20 kΩ of resistance, so upstream converters experience minimal loading. Position or torque references are digitized at 14-bit resolution and refreshed every 62.5 µs, giving the control loop fine granularity and low latency. Those samples are processed with PWM carriers that switch at 8 kHz, matching the internal clock frequency of the power section. Cabinet planning is helped by a quiescent dissipation of 12 W and a 30 W loss at rated current, and the form factor coefficient of 1.01 helps describe airflow requirements. The rectangular housing keeps wiring runs short, while a 50 mm pitch allows adjacent modules to share DC links without additional spacers.

Delivery of motor power is characterized by a continuous phase current of 3 A rms and a short-term peak of 9 A for acceleration intervals. Safe commutation is maintained when coil inductance stays between 12 mH and 75 mH; loads outside this window can trigger overcurrent trips at the 8 kHz carrier. When the drive operates at the 3 A rating, power losses stabilize at the noted 30 W, while during standby the 12 W quiescent figure limits panel temperature rise. The module is suitable for indexing tables, pick-and-place actuators, and other multi-axis assemblies.