RS1A30AAW Sanyo Denki
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The Sanyo Denki RS1A30AAW is a servo drive from the R SANMOTION Servo Drives series with an amplifier capacity of 300 Amps and a mass of 10.5 kilograms. It has a control system based on IGBT PWM sinusoidal drive and supports a frequency response of 600 Hz with a speed control range of 1 to 5000. This unit operates with a main circuit input of three-phase AC200-230V and can function in temperatures from 0 to 55 degrees Celsius.
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Product Description:
The RS1A30AAW is a servo amplifier manufactured by Sanyo Denki within the R SANMOTION Servo Drives series. The device forms the interface between a motion controller and a servo motor, providing regulated power so automated equipment can run repeatable velocity and torque profiles. Its purpose in industrial automation is to maintain closed-loop speed control while protecting both the motor and mains supply, relying on an internal IGBT PWM sinusoidal drive to generate a smooth, low-distortion output.
A rated current capacity of 300 A allows the drive to deliver substantial peak current to accelerate large inertial loads without saturation. The main power stage accepts a three-phase AC 200–230 V supply with a tolerance of +10/-15%, while the control electronics receive a separate single-phase AC 200–230 V supply with a tolerance of +10/-15%; separating these inputs isolates the control logic from motor power. A frequency response of 600 Hz indicates how quickly the current loop can react to command changes, contributing to a speed control range of 1:5000 from base speed down to low-speed operation. These parameters are monitored through 2.0 V analog outputs. The speed monitor provides a proportional voltage at 1,000 rpm, while the torque monitor produces the same voltage at 100% motor load to simplify drive tuning.
Leakage current is limited to 5.0 mA, meeting typical cabinet grounding requirements. The unit operates at a mains frequency of 50/60 Hz ±3 Hz and maintains full performance across an ambient temperature range of 0 to 55 °C with relative humidity below 90% RH. Installation is permitted at elevations below 1,000 m, and the drive can be stored at temperatures from -20 to +65 °C without degradation. The compact chassis weighs 10.5 kg, which simplifies panel mounting and reduces the load on cabinet supports. Speed and torque feedback voltages are available through the front connector for local diagnostics.
