RS2A01A0KL5 Sanyo Denki
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The RS2A01A0KL5 is a servo drive manufactured by Sanyo Denki and part of the R SANMOTION Servo Drives series. It features a 15 Amp amplifier capacity and uses an AC single-phase 200V control power input along with a main circuit input of AC 3-phase. The drive is designed for use with rotary motors and supports a serial encoder, with an external regenerative resistor required.
Internal Product Review
The RS2A01A0KL5 is a Sanyo Denki R SANMOTION servo drive designed for AC 3-phase input with an AC200V voltage class. A 15 A amplifier capacity and serial encoder feedback support precise, stable motion control with solid tuning potential. An external regenerative resistor further enhances drive performance, making the unit a strong choice for rotary motor applications.
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Product Description:
The RS2A01A0KL5 servo amplifier is produced by Sanyo Denki as part of the R SANMOTION Servo Drives series. Within an industrial automation cell, it acts as the power interface between a motion controller and a rotary servo motor. The amplifier provides regulated current and processes real-time feedback so pick-and-place arms, indexing tables, and tensioning stations can execute repeatable movements with millisecond accuracy. Closed-loop operation allows the connected controller to adjust motor torque and speed as operating conditions change.
The amplifier has a continuous output current capacity of 15 A, allowing it to power the motor windings without thermal derating under rated operating conditions. The control electronics use a single-phase 200 VAC supply, separating the low-power logic from the high-energy sections and allowing the circuits to be protected independently. The main bus accepts a three-phase AC supply that is compatible with industrial power distribution systems. Internal power devices belong to the 200 VAC voltage class, allowing overvoltage protection to operate in coordination with standard protective equipment. Rotor position is captured through a built-in serial encoder interface, which supports high-resolution feedback with less cabling than parallel encoder formats. This feedback enables the amplifier to monitor shaft position while regulating current during acceleration, steady motion, and deceleration.
The drive supports an external regenerative resistor to absorb braking energy produced during rapid deceleration. Locating the resistor outside the amplifier allows its thermal capacity to be selected for the application’s braking frequency and cycle duration without increasing heat inside the chassis. The power stage is optimized for a rotary motor, so its output supports sinusoidal commutation for controlled torque production. The configuration includes no external encoder, eliminating the wiring and mounting requirements associated with a separate secondary feedback device. Motor feedback instead passes through the serial encoder connection, reducing the number of conductors routed between the cabinet and the motor. The simplified feedback arrangement also reduces the number of connection points exposed to repeated movement on dynamic machine axes.
