RS1A01AAWFK Sanyo Denki
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The Sanyo Denki RS1A01AAWFK is a servo drive from the R SANMOTION Servo Drives series with an amplifier capacity of 15 Amps and a mass of 0.9 kilograms. It supports a 3-phase AC main circuit and operates on an IGBT PWM sinusoidal drive control system. The unit features a wire-saving incremental encoder with 2000 P/R resolution and an external regenerative resistor type.
Internal Product Review
The RS1A01AAWFK is a Sanyo Denki servo drive with a 15 A amplifier capacity and AC200V-class main circuit input. The IGBT PWM sinusoidal drive architecture and 1:5000 speed control range support stable tuning and precise motion response. Wire-saving incremental encoder feedback at 2000 P/R makes the drive a strong choice for efficient, accurate servo control.
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Product Description:
The RS1A01AAWFK servo drive is manufactured by Sanyo Denki as part of the R SANMOTION Servo Drives series. This amplifier conditions three-phase power and issues switching commands to its matching motor so that industrial controllers can regulate velocity and torque in real time. By integrating into motion axes such as indexing tables, electronic cams, and feeders, it provides the electrical interface between PLC reference signals and the electromechanical work performed by permanent-magnet servo motors.
Its power stage supplies a continuous output current of 15 A, providing capacity for motors that draw high transient current during acceleration. Both the control power and the main circuit operate on a single 200 V AC class supply, simplifying cabinet power distribution. The drive uses an IGBT PWM sinusoidal drive to produce low-distortion waveforms with microsecond switching accuracy. A frequency response of 600 Hz allows the velocity loop to track rapid command changes, while a speed control ratio of 1:5000 maintains fine resolution from low speed to rated speed. Analog references are accepted through a ±2.0 V speed command input. Matching monitor outputs provide proportional feedback for system diagnostics.
Earth leakage is limited to 0.5 mA, reducing the risk of nuisance ground-fault trips in multi-axis installations. Motor position is decoded by a wire-saving incremental encoder with a resolution of 2000 P/R, keeping cable counts low while preserving positional accuracy. The housing weighs 0.9 kg, so it can be installed without adding a substantial load to the mounting structure. Power enters through a three-phase AC main circuit, and excess kinetic energy is dissipated through an external regeneration resistor. Separate ±2.0 V torque-limit and 2.0 V monitor channels permit proportional torque supervision during pressing, winding, or tensioning tasks. These channels allow the control system to restrict commanded torque and observe the corresponding operating signal without interrupting normal motion.
