R2AA04010FXP29 Sanyo Denki
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The Sanyo Denki R2AA04010FXP29 is a middle inertia servo motor from the R SANMOTION Servo Motors series. It has a rated output of 100 W, a 40 mm flange size, and features a 200 Volt supply voltage. The motor uses a battery backup absolute encoder with a resolution of 131072 counts per revolution and has a maximum rotation speed of 6000 min-1.
Internal Product Review
The R2AA04010FXP29 is a Sanyo Denki SANMOTION R servo motor rated at 100 W and designed for 200 Volt systems. A battery backup absolute encoder with 131072 counts/rev supports accurate positioning and dependable motion control. The 6000 min -1 maximum rotation speed makes this motor an excellent choice for fast, precise servo applications.
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Product Description:
The R2AA04010FXP29 is a Sanyo Denki component in the R SANMOTION Servo Motors series. It serves as a compact rotary actuator for feed axes, indexing tables, and pick-and-place heads in automated machinery, converting electrical energy into controlled mechanical torque for precise positioning tasks. With its medium-inertia rotor design, the motor balances fast acceleration with stable settling, making it suitable for equipment that cycles quickly yet must avoid overshoot.
Feedback is supplied by a battery-backed absolute encoder that delivers 131072 counts/rev, allowing the drive to resolve shaft movement to 2.7 arc-seconds without requiring the axis to return to its home position after power loss. The square mounting interface measures 40 mm on each side, so the unit fits miniature servo footprints. The rated speed reaches 6000 rpm, providing a wide velocity range when paired with high-frequency drives. During transient operation, the shaft can withstand a peak stall torque of 1.18 N·m, while its continuous-duty torque is 0.318 N·m. This operating point draws only 0.81 Arms, keeping the required amplifier capacity low in multi-axis systems. The phase resistance is 9.3 Ω, limiting I²R heating during static positioning, and the rotor inertia of 0.0627 × 10⁻⁴ kg·m² helps restrain overshoot. A holding brake is not installed, so static load retention must be provided by the drive or an external clamp.
The stator is wound for a nominal bus voltage of 200 V, aligning with the 200 V class of servo amplifiers commonly used in compact control panels. At that voltage, the shaft can deliver 100 W of continuous mechanical power, making it suitable for small end effectors or rapid linear stages. Electromechanical conversion efficiency is characterized by a torque constant of 0.424 N·m/Arms, enabling straightforward current commands from motion controllers. Despite these capabilities, the motor weighs only 0.51 kg, reducing moving mass when it is mounted on a traveling axis.
