RS1A01AAW Sanyo Denki
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The Sanyo Denki RS1A01AAW is a servo drive from the R SANMOTION Servo Drives series with an amplifier capacity of 15 Amps and AC200V power input. It provides speed, torque, and position control using an IGBT PWM sinusoidal drive system and supports a speed control range of 1 to 5000. This unit measures 168 mm in height, 45 mm in width, and 135.5 mm in depth, with a mass of 0.9 kg.
Internal Product Review
The RS1A01AAW is a Sanyo Denki servo drive that stands out with Speed/Torque/Position Control and an IGBT PWM sinusoidal drive system. Its 15A amplifier capacity and 1:5000 speed control range make this unit a strong choice for precise, responsive motion control.
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Product Description:
The RS1A01AAW is a servo amplifier produced by Sanyo Denki within the R SANMOTION Servo Drives series. As a tray-type module with a built-in power supply, it links a motion controller to a servomotor to regulate current, speed, and position in automated equipment such as pick-and-place axes or indexing tables. It uses an IGBT PWM sinusoidal drive method to deliver smooth phase currents and supports dedicated speed, torque, and position control modes required in industrial automation.
At the power stage, the amplifier delivers a continuous output of 15 A, allowing mid-frame servomotors to accelerate without saturation. An inrush limit of 40 A from O to P protects upstream breakers when the internal capacitors charge. The input section accepts 200 V AC mains power, so it can be wired directly to standard factory distribution panels. The control loop maintains velocity over a 1:5000 range, enabling tight regulation at very low speeds without cogging. Its frequency response extends to 600 Hz, allowing the current regulator to follow command updates at high servo bandwidths. NPN sinking outputs provide general-purpose status signals, while dedicated terminals deliver 2.0 V speed and torque monitor signals within a ±10% tolerance.
The module’s enclosure measures 45 mm in width, 135.5 mm in depth, and 168 mm in height, so two units can fit side by side in 90 mm of rail space to conserve cabinet area. Despite its integrated power supply, the unit weighs only 0.9 kg, simplifying installation and reducing the load on DIN rails. Its tray-type construction directs airflow across the internal heat sink fins to provide cooling during operation. Leakage current is limited to 0.5 mA, and the integrated power supply removes the need for an external converter. The compact enclosure permits installation close to the controlled axis while keeping connections between the amplifier, controller, and motor relatively short.
