Product Description:

The AX2010-B900-0000 is a digital servo drive produced by Beckhoff within the AX Digital Servo Drives series. Designed to regulate synchronous and induction motors in automated machinery, it converts DC bus power into controlled three-phase output while coordinating position, speed, and torque loops through Beckhoff motion control architecture. Control electronics and auxiliary circuits are powered from a 24 VDC supply, letting the drive remain active for fieldbus communication even when the main bus is de-energized.

During continuous operation, the inverter delivers a phase current of 10 A RMS, which is suitable for moderate-power servomotors, and it can reach 20 A RMS during short acceleration peaks. Thermal loss at this rated current is 90 W, so cabinet ventilation must remove that heat to maintain component life. The internal dynamic brake can absorb up to 200 W of regenerated power before external hardware is needed, and the complete installation is dimensioned for 7 kVA, a value used when selecting mains protection devices. A residual voltage drop of 5 V between the bus link and motor terminals keeps output modulation within the controller’s safe operating area, and the common-mode voltage is limited to 10 V to protect insulation in machine wiring.

Where braking energy exceeds the embedded capacity, a 33 Ω external resistor can be connected, allowing longer deceleration ramps without DC bus overvoltage. The magnetic circuit of the connected motor must present between 4 mH and 25 mH of phase inductance so that the current controller maintains stability; values outside that window require line reactors. At idle, the unit draws 15 W of quiescent power, which is important when calculating cabinet dissipation during standby. Auxiliary logic currents are 3 A when a motor holding brake is supplied and 1 A when no brake is present, while the ready-to-operate relay handles 500 mA for interlock chains. An input resistance of 20 kΩ to analog ground helps limit sensor offset and noise.