R2AA06040FCP29W Sanyo Denki
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The Sanyo Denki R2AA06040FCP29W is a middle inertia servo motor in the R SANMOTION Servo Motors series with a rated output of 400 watts and a 60 mm flange size. It features a battery backup absolute encoder with a 17-bit resolution and has a peak torque of 4.8 Newton-meters. The motor is equipped with a 24 VDC holding brake, rated for a maximum rotation speed of 6000 min-1 and offers IP67 protection.
Internal Product Review
The R2AA06040FCP29W is a Sanyo Denki SANMOTION R series servo motor with 400 W rated output and 6000 min-1 maximum rotation speed. A battery backup absolute encoder with 17-bit resolution supports accurate positioning, while IP67 protection suits demanding machine environments. Middle-inertia construction and 4.8 N·m peak torque make the unit a strong choice for responsive servo axes.
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Product Description:
The R2AA06040FCP29W is a rotary servo motor manufactured by Sanyo Denki within the R SANMOTION Servo Motors series. Designed as a medium-inertia actuator, it pairs with pulse or motion controllers to drive positioning tables, pick-and-place heads, and synchronized axes in automated equipment. By converting variable current from a matched amplifier into precise shaft torque, the unit delivers closed-loop speed and position control for repeatable industrial tasks. Its 60 mm mounting flange fits compact gearboxes and machine frames, and the design supports the high duty cycles common in packaging and electronics assembly lines.
The motor produces a continuous output of 400 W when supplied by a three-phase drive at 200 V. During transient acceleration, it can develop up to 4.8 N·m of shaft torque while drawing a peak winding current of 10.8 A rms. A medium-inertia rotor and a maximum speed of 6,000 rpm allow motion sequences to execute quickly without excessive overshoot. The torque constant is 0.524 N·m/A rms, so every ampere commanded by the amplifier adds roughly half a newton-meter of torque. This proportional relationship simplifies current-loop tuning and provides a predictable dynamic response as the connected load accelerates or decelerates.
A battery-backed absolute encoder provides a single-turn resolution of 131,072 positions (17-bit) and a multi-turn span of 65,536 revolutions (16-bit), allowing the controller to retain position data after power loss. The stator windings have a phase resistance of 1.36 ohms, which affects heat calculations and the selection of drive current limits. The housing and connector seals meet IP67, protecting the motor against dust and temporary water immersion. A permanently installed 24 V DC holding brake locks the shaft while the axis is at rest. The voltage constant is 18.3 mV per rpm, which supports back electromotive force estimates during regenerative braking. These feedback, sealing, and braking features support operation in automated machinery where accurate position recovery and secure load retention are required.
