R2AA04010FXH00 Sanyo Denki
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The Sanyo Denki R2AA04010FXH00 is a standard servo motor in the R SANMOTION Servo Motors series with a rated output of 100 watts and a flange size of 40 millimeters. It features a middle inertia design, an absolute encoder with a resolution of 131072 (17-bit), and operates at a maximum speed of 6000 revolutions per minute. The servo motor has a rated torque of 0.318 newton-meters and a supply voltage of 200 volts.
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Product Description:
The R2AA04010FXH00 is a medium-inertia servo motor manufactured by Sanyo Denki for the R SANMOTION Servo Motors series. With a 40 mm square mounting flange, this standard model couples directly to light mechanical loads and converts power from a 200 V drive into controlled rotary motion. In automated assembly lines or compact gantries, it supplies closed-loop torque and speed control so that positioning stages, feeders, and indexing tables move with repeatable accuracy. Its compact frame allows it to fit into machinery where installation space is limited.
Under continuous duty, the motor delivers 100 W of shaft power while running at its rated speed of 3000 rpm. At that operating point, it produces a rated torque of 0.318 N·m and draws a phase current of 0.81 A RMS. The torque constant is 0.424 N·m/A RMS, which relates the current commanded by the amplifier to the resulting mechanical output. The motor has a phase resistance of 9.3 Ω and a voltage constant of 14.8 mV per rpm, indicating the electrical load and generated back electromotive force presented to the inverter. A 17-bit absolute encoder provides 131,072 counts of position feedback for closed-loop motion control. Because no holding brake is installed, an external brake or locking mechanism is required if the axis must remain stationary after drive power is removed.
Dynamic response is supported by an electrical time constant of 0.82 ms and a mechanical time constant of 0.97 ms, allowing fast current rise and rotor acceleration during high-bandwidth motion profiles. Peak stall torque reaches 1.18 N·m, providing brief overload capacity during rapid starts, while the maximum speed reaches 6000 rpm before back electromotive force or bearing limits intervene. The rotor inertia is 0.0627 × 10⁻⁴ kg·m², balancing responsiveness with compatibility for light loads. The total mass, including the encoder, is 0.51 kg, which reduces the mounting load on compact machine axes. The available torque, low inertia, and encoder feedback support fast cycling in pick-and-place heads, small conveyors, and semiconductor handling equipment.
