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The Beckhoff AMI8121-abcc-wFyz is an integrated servo drive specifically engineered for efficient, compact motion control applications. Its core advantage lies in the high-level integration of servo motor, drive output stage and fieldbus connectivity into a single unit, forming a space-saving integrated solution.
Technically configured, this servo drive employs industrial-grade EtherCAT bus as its core system communication protocol, supporting both MDP and DS402 profiles to ensure seamless compatibility and data transfer with automation systems. Connection technologies include M12 (L-coded), M8 (3-pin A-coded, 4-pin A-coded) and screw-type connections, meeting industrial environments' requirements for reliable wiring. Encoder configurations offer flexibility, allowing selection between single-turn absolute encoders (17-bit resolution) or multi-turn absolute encoders (65,536-turn range + 17-bit resolution) based on precision requirements, catering to diverse positioning accuracy applications.
Furthermore, this product excels in practicality and reliability: its compact layout design enables direct installation onto machinery as an EtherCAT slave, eliminating the need for additional control cabinets or upstream I/O layers, thereby facilitating highly integrated cabinet-free machine designs. Employing rapid control algorithms based on vector current and PI speed control, it delivers swift response and precise control, efficiently accomplishing high-dynamic positioning tasks. To ensure stable operation, it incorporates comprehensive monitoring functions that detect overvoltage, undervoltage, and overcurrent conditions in real time. By calculating motor utilisation via the I²t model, it provides timely warnings of potential faults, significantly enhancing operational reliability.
Interface configuration is both extensive and clearly defined: the M12 interface supplies power to the electronics and motor, while the M8 bus interface facilitates EtherCAT communication and provides a second port for daisy-chain connectivity. The M8-spec I/O interface directly supports two 24V DC sensors or actuators (maximum current 0.5A), simplifying peripheral connections. This makes it widely applicable in industrial scenarios demanding high standards of space efficiency, operational effectiveness, and safety—such as automated production lines, precision machinery, and compact conveying systems.
| Data for 48 V DC | AMI8121-abcc-wFyz |
| Motor type | Permanent magnet-excited three-phase synchronous motor with integrated servo drive |
| Nominal voltage | 24…48 V DC |
| Standstill torque | 0.48 Nm |
| Rated torque | 0.45 Nm |
| Peak torque | 1.89 Nm |
| Rated speed | 3000 min-1 |
| Rated power | 0.141 kW |
| Rotor moment of inertia | 0.139 kgcm² |
| System bus | EtherCAT |
| Drive profile | MDP profile, DS402 profile |
| Safe stop functions | Safe Torque Off (STO), Safe Stop 1 (SS1) |
| Safety standard | EN 61508-1-3:2010 (up to SIL 3), IEC 62061:2021 (maximum SIL 3), EN ISO 13849-1:2015 (up to Cat 4, PL e) and EN 61800-5-2:2017 |
| Realization STO | By local TwinSAFE Logic or by FSoE |
| Connection technology | M12, l-coded/M8, screw type, 3-pin, a-coded/M8, screw type, 4-pin, a-coded |
| Ambient temperature (operation) | 5…40°C |
| Approvals/markings | CE, cURus |
| Housing Data | |
| Housing type | AMI8xxx |
| Protection rating | IP54, IP65 (shaft seal) |
| Design form | Flange-mounted according to IM B5, IM V1, IM V3 |
| Material | Aluminum |
| Coating/surface | Acrylic powder-coated, dark gray, similar to RAL7016 |
BeckHoff AMI8121-abcc-wFyz Compact integrated servo drive
The delivery cycle of industrial products is influenced by various factors, such as the inventory status of the products, the scale of the order quantity, the region where the customers are located, and the choice of transportation methods.
