RS1A05AAWA Sanyo Denki
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The Sanyo Denki RS1A05AAWA belongs to the R SANMOTION Servo Drives series and features a 50 Amp amplifier capacity with a built-in dynamic brake and regeneration process. It utilizes an IGBT PWM sinusoidal drive control system and offers a frequency response of 600 Hz. The drive measures 168 mm in height, 90 mm in width, 135.5 mm in depth, and weighs 2.2 kg.
Internal Product Review
The RS1A05AAWA is a Sanyo Denki servo drive with an IGBT PWM sinusoidal drive control system for smooth response on AC200V input. Built-in dynamic braking and regeneration support clean deceleration and efficient energy handling in motion systems. A 600 Hz frequency response and 1:5000 speed control range make the drive an excellent choice for precise, high-performance servo applications.
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Product Description:
The RS1A05AAWA servo amplifier is manufactured by Sanyo Denki as part of the R SANMOTION Servo Drives series. It converts fixed-frequency mains power into a regulated, phase-synchronized output for controlling compatible AC servomotors. The amplifier regulates motor torque and velocity in industrial automation cells, conveyor gantries, and multi-axis robots. Its closed-loop control architecture allows the connected motor to follow changing motion commands while maintaining stable operation across a broad speed range.
The drive is designed for an input of AC 200 V, so it can be connected directly to a compatible factory power supply without an external transformer. Its amplifier capacity is 50 A, providing the motor current needed for demanding acceleration and motion profiles. A frequency response of 600 Hz indicates a wide internal control bandwidth that supports precise tracking of fast command changes. Closed-loop regulation provides a speed control range of 1:5000, permitting stable rotation from very low crawl speeds to the motor’s rated speed within the same machine. The control section uses an IGBT PWM sinusoidal drive topology, which produces a controlled motor waveform while limiting harmonic distortion and maintaining moderate switching losses.
Total leakage current is limited to 1.5 mA, supporting use with safety circuits that monitor ground-fault conditions. A built-in dynamic brake absorbs kinetic energy during deceleration, while a regeneration circuit directs excess energy to the supply bus instead of dissipating all of it as heat. Real-time operating status is available through 2.0 V speed and torque monitor outputs. The command interface uses the NPN (sink) output convention for compatibility with common PLC input cards. The built-in tray-type enclosure measures 90 mm in width, 135.5 mm in depth, and 168 mm in height, allowing it to fit within compact control cabinets. The unit weighs 2.2 kg, which reduces the mechanical load on mounting panels in dense multi-axis assemblies. Its enclosure dimensions also provide a predictable footprint for routing power, motor, feedback, and control wiring around adjacent devices.
