RS3A15A0AA0 Sanyo Denki
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The Sanyo Denki RS3A15A0AA0 is a servo drive from the R SANMOTION Servo Drives series with a 150 Amp amplifier capacity and supports single controllable axis. It features IGBT-based sinusoidal PWM control, operates on a three-phase main supply, and weighs 4.9 kg. This model has analog and pulse interfaces and includes a built-in regenerative resistor.
Internal Product Review
The RS3A15A0AA0 is a Sanyo Denki servo drive designed for single-axis motion control with an Analog/Pulse interface. IGBT-based sinusoidal PWM control and position/speed/torque functionality give the amplifier precise response and dependable tuning range. A built-in regenerative resistor and 150 A amplifier capacity make the unit an excellent fit for demanding servo applications.
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Product Description:
The RS3A15A0AA0 servo amplifier is manufactured by Sanyo Denki for the R SANMOTION Servo Drives series. As a compact drive module, it supplies controlled current to a single servomotor and closes the feedback loop for precise position, speed, and torque regulation within industrial automation cells and machine tools. A built-in regenerative resistor dissipates excess kinetic energy during deceleration, reducing the voltage rise caused by energy returning from the motor.
An output capacity of 150 A lets the amplifier handle high-inertia loads without saturation, while the power stage uses an IGBT-based sinusoidal PWM topology to minimize motor ripple and audible noise. Command processing supports simultaneous position, speed, and torque control, so the amplifier can change between motion modes through parameter adjustments without modifications to its physical connections. The control electronics operate from a single-phase supply, which keeps panel wiring simple, whereas the main power section draws from a three-phase line to deliver balanced output to the motor. A sinking-type NPN general-purpose output provides status signals to connected control equipment. The unit weighs 4.9 kg and does not include functional safety features, so external safety relays are required when the application needs risk-reduction functions.
The amplifier controls one axis, making it suitable for machines that dedicate a separate drive to each mechanism. Command and feedback lines are routed through a combined analog and pulse interface, allowing compatibility with conventional ±10 V references or high-resolution pulse trains from motion controllers. Installation sites are limited to 90% RH under noncondensing conditions to help prevent moisture from affecting insulation and electronic components. The ambient temperature must remain at or below +55 °C, and operation can begin at 0 °C without preheating. Maintaining the permitted temperature and humidity conditions supports stable thermal performance during continuous operating cycles.
