AMI8123-4100-0J10 Beckhoff
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The Beckhoff AMI8123-4100-0J10 is a compact integrated servo drive from the AMI Integrated Drive Motors series and features convection cooling and a smooth shaft design. It includes a 17-bit multi-turn absolute encoder for position detection within 65536 revolutions and communicates via EtherCAT. The motor has a flange size of 58 mm, a maximum mechanical speed of 12000 revolutions per minute, and weighs 2.05 kilograms.
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Product Description:
The AMI8123-4100-0J10 is produced by Beckhoff as part of the AMI Integrated Drive Motors series. It is a compact integrated servo drive that combines a motor, encoder, power electronics, and fieldbus circuitry in one unit to simplify decentralized motion axes in industrial automation. Mounting the device close to the load reduces cabinet wiring while supporting closed-loop positioning through its multi-turn absolute encoder and internal drive controller.
The motor uses a multi-turn absolute encoder with a resolution of 17 bits, allowing fine position feedback over 131,072 discrete steps per revolution. A flange coded F2 (58 mm) matches common machine frames, and the smooth shaft avoids key slots that could trap contaminants. The mechanical output reaches 12,000 rpm, supporting high-speed pick-and-place or spindle duties when the six-pole rotor is driven by the internal inverter. The cast housing and shaft seal provide IP54 protection, enabling operation in dusty production areas with light moisture exposure. Dynamic response is influenced by a rotor moment of inertia of 0.376 kg·cm², balancing quick acceleration with stable speed regulation.
Motion commands and diagnostic data travel over the EtherCAT interface, while the device follows the MDP profile for parameter organization. Convection cooling removes heat without fans, and reliable operation is supported from 0 °C to +40 °C at a relative humidity of 5% to 95%. Integrated TwinSAFE technology provides STO and embedded safety logic, eliminating the need for external relays on safety-related axes. The unit weighs 2.05 kg, uses winding type J, has motor length code 3, and operates without a holding brake. Absolute position remains valid across 65,536 revolutions. Storage temperatures range from -25 °C to +70 °C, and the assembly carries identifier 3 within the AMI812x family.
