AM8131-0FH0-0000 Beckhoff
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The Beckhoff AM8131-0FH0-0000 is a synchronous servo motor from the AM Synchronous Servo Motors series, designed for compact drive technology applications. It features a 72 mm flange size, a smooth shaft, and rotatable angular connector or terminal box for connection. The motor is equipped with a 24-bit OCT multi-turn feedback, and meets SIL 2 safety integrity standards.
Internal Product Review
The AM8131-0FH0-0000 is a Beckhoff synchronous servomotor for Compact Drive Technology with OCT multi-turn feedback. The 24-bit feedback resolution and SIL 2 rating support precise closed-loop control and dependable machine integration.
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Product Description:
The AM8131-0FH0-0000 is a synchronous servo motor produced by Beckhoff and supplied within the AM Synchronous Servo Motors series. It converts commanded current into precisely regulated torque for industrial automation, supporting tightly controlled speed and position loops on conveyors, pick-and-place stations, and packaging lines. The unit is delivered in a standard version that follows IEC mounting conventions, allowing direct integration with compatible frame sizes and Beckhoff EtherCAT drive platforms for decentralized machine modules.
The motor uses a 72 mm flange face, which establishes the mounting interface and centers the stator on machinery plates. A smooth shaft is supplied so couplings can clamp around the journal without keyways, helping to reduce vibration. Rotor position feedback is generated by a 24-bit absolute encoder that provides 16,777,216 discrete counts per revolution. This sensor uses the OCT multi-turn protocol, preserving position data across multiple revolutions even after power loss. Power and feedback connections exit through a rotatable angled connector or a terminal box, permitting the connection point to be oriented for suitable cable routing. Functional safety is supported up to SIL 2, enabling functions such as safe torque off or safe speed limiting when the motor is used with certified controllers.
The F winding code identifies the winding configuration that matches the rotor-stator assembly to Beckhoff compact servo inverters. An overall length code of 1 indicates the shortest stack in the 72 mm frame, helping to reduce reflected inertia on axes that perform frequent acceleration and deceleration cycles. Because the motor is designed for compact drive technology, it can be installed with single-cable modules that carry power and feedback conductors within one sheath, reducing wiring space inside the machine. The unit is supplied without a holding brake, so vertical axes and other loads that must remain stationary after power removal require an external locking mechanism. This brake arrangement must be considered when the motor controls suspended loads or machinery that could move under gravity while drive torque is unavailable.
