R2AAB8100FXP11M Sanyo Denki
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The Sanyo Denki R2AAB8100FXP11M is a middle inertia servo motor from the R SANMOTION Servo Motors series. It provides a rated output of 1 kW, a rated torque of 3.18 N·m, and operates at a maximum speed of 6000 rotations per minute. The motor includes a battery backup absolute encoder with a resolution of 131072 counts per revolution, a shaft diameter of 16 mm, and weighs 3.6 kg.
Internal Product Review
The Sanyo Denki R2AAB8100FXP11M is a middle-inertia servo motor with 1 kW rated output and 3.18 N·m rated torque. A battery backup absolute encoder with 131072 counts/rev gives motion systems precise and dependable position feedback. Peak stall torque of 14.3 N·m stands out as a strong performance advantage.
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Product Description:
The R2AAB8100FXP11M is a medium-inertia AC servo motor produced by Sanyo Denki for the R SANMOTION Servo Motors series. Designed for 200 V drive systems, it powers axes that demand consistent torque and fast indexing in automated assembly lines and material-handling equipment. A battery-backed absolute encoder delivers position data to the motion controller. The motor has no integral holding brake, so external clamping or motor torque must secure vertical loads when power is removed. Compliance with CE and UL requirements permits installation in regulated industrial machinery.
During continuous operation, the motor provides 1 kW of mechanical output at a rated shaft torque of 3.18 N·m. Operation at this rated point draws a phase armature current of 6.0 A RMS. The motor has a torque constant of 0.582 N·m/A RMS, which supports current-loop tuning in the servo amplifier. Connected control equipment can command speeds up to 6000 rpm, allowing short cycle times with moderate-inertia loads. These electrical limits support proper conductor sizing, cabinet ventilation, and amplifier selection while keeping the temperature rise within acceptable limits during continuous operation.
The feedback system provides a single-turn resolution of 131072 counts per revolution and tracks rotation history across 65536 turns, enabling absolute position recovery after a power cycle without a homing move. With the encoder installed, the assembly weighs 3.6 kg. The square mounting flange measures 86 mm across, supporting alignment with compatible machine interfaces. A peak stall torque of 14.3 N·m supports rapid acceleration bursts, while a rotor inertia of 2.38 × 10⁻⁴ kg·m² helps limit overshoot during deceleration. The phase resistance is 0.44 Ω, which servo drives use to configure current regulators and estimate winding temperature.
