RS2A05A0AA0WA0 Sanyo Denki
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The Sanyo Denki RS2A05A0AA0WA0 is part of the R SANMOTION Servo Drives series and has an amplifier capacity of 50 Amps with a mass of 2.2 kilograms. It features a built-in dynamic brake and regeneration process, and uses an IGBT PWM sinusoidal drive control system. The drive is designed for AC200V power class and achieves a speed control range of 1 to 5000.
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Product Description:
The RS2A05A0AA0WA0 servo amplifier is made by Sanyo Denki and belongs to the R SANMOTION Servo Drives series. As a closed-loop power stage for industrial automation, it supplies controlled current to a matched AC servo motor so a motion controller can regulate position, speed, and torque. Motor feedback arrives from a serial encoder, supporting digital communication between the motor and amplifier. The unit does not provide an external encoder interface or an analog speed feedback port.
An output capacity of 50 A lets the drive handle rapid load changes without saturating the power stage. The control platform uses an IGBT PWM sinusoidal drive to reduce harmonic distortion at the motor terminals. The power section operates from 200 V AC mains, making it suitable for compatible industrial power systems. A built-in dynamic brake and regeneration resistor dissipates surplus energy during deceleration and simplifies cabinet wiring. Speed can be modulated across a ratio of 1:5000 within the programmable operating range. Commands enter through a DC ±2.0 V velocity input, and the same bipolar voltage range applies to the torque command and torque-limit channels.
Servo-loop frequency characteristics extend to 600 Hz, allowing responsive gain adjustment for high-bandwidth motion axes. Despite its dynamic performance, the amplifier weighs only 2.2 kg, which reduces the load placed on the mounting panel. For pulse-train control, the forward and reverse channel accepts input rates up to 5 million pulses per second. Quadrature input resolution is limited to 1.25 million pulses per second, giving the controller a lower maximum rate when phase-shifted pulse signals are used. Ground leakage is limited to 1.5 mA, supporting proper equipment bonding and protective grounding. The fully digital feedback architecture eliminates the need for a separate analog speed signal while retaining closed-loop control of motor motion.
