PY0A015A1M21P01 Sanyo Denki
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The Sanyo Denki PY0A015A1M21P01 is part of the PY Super BL Servo Amplifiers series and weighs 2.2 kilograms. It features a built-in dynamic brake with a delay of 6.5 milliseconds and supports 2000 pulse per revolution wiring-saved incremental encoders. This amplifier operates with single-phase input power and offers a velocity control range of 1 to 5000.
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Product Description:
The PY0A015A1M21P01 servo amplifier is manufactured by Sanyo Denki and belongs to the PY Super BL Servo Amplifiers series. It serves as the power conversion and control interface between a motion controller and a brushless servo motor, delivering regulated current that positions the motor shaft in response to command pulses. The unit is intended for position-focused industrial automation applications such as pick-and-place stages, machine tools, and semiconductor handling systems, where precise velocity and torque control are required within limited cabinet space.
The amplifier accepts single-phase mains power, and its power input stage is reinforced to handle a control inrush current of 40 A (0-P) when the control circuitry is energized. The main power bus has a separate inrush current of 18 A (0-P), so upstream circuit breakers must tolerate the brief surge without nuisance tripping. During operation, the amplifier tracks reference pulses across a frequency response of 400 Hz, enabling high-bandwidth positioning. Feedback is received from a reduced-wiring incremental encoder with a resolution of 2000 P/R, which supports fine position interpolation. The velocity loop maintains a control range of 1:5000, allowing the drive to sustain slow creep speeds and rapid indexing with the same tuning parameters. The interface is configured for position control and provides pulse-train and direction inputs that are compatible with common PLC motion cards.
A built-in dynamic brake absorbs regenerative energy and has a capacity of 360 J, enabling repeated decelerations without an external resistor. The brake engages within 6.5 × 10⁻³ s, helping restrain overspeed conditions when an emergency stop is issued. The amplifier has a mass of 2.2 kg, which simplifies panel mounting and reduces the vibration load on lightweight machine frames. Operation is permitted at relative humidity levels up to 90% RH, provided that the surrounding installation conditions remain suitable for the amplifier. The terminal screws require a tightening torque of 1.18 N·m to keep conductors secure during vibration and repeated thermal cycling.
