PY9A300U0XXXC09 Sanyo Denki
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The Sanyo Denki PY9A300U0XXXC09 is a servo amplifier in the PY Super BL Servo Amplifiers series. It operates with a three-phase 200-230 VAC main circuit input at 50/60 Hz and offers built-in dynamic brake and regenerative processing. The amplifier supports velocity, torque, and position control functions and has a mass of 16 kilograms.
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Product Description:
The PY9A300U0XXXC09 servo amplifier is produced by Sanyo Denki and belongs to the PY Super BL Servo Amplifiers series. It serves as the interface between a motion controller and a brushless servomotor, shaping electrical power while executing closed-loop algorithms that govern velocity, torque, and position. In automated transfer lines, pick-and-place cells, or precision grinders, the unit supplies regulated three-phase power and processes feedback signals so the motor follows command profiles accurately. This arrangement allows the amplifier to respond to changing loads while maintaining controlled motion throughout the operating cycle.
The amplifier draws single-phase 200–230 VAC at 50/60 Hz for its logic section, isolating sensitive electronics from the power stage. Motor energy is supplied through a separate three-phase 200–230 VAC at 50/60 Hz input. Control flexibility is provided by selectable velocity, torque, and position modes, allowing the same drive to support indexing, tension control, or rigid position holding through parameter changes. Speed regulation remains linear across a 1:5000 speed range, allowing the application to jog at creep speeds before accelerating to full traverse. The current loop has a frequency response of 400 Hz, so dynamic torque commands settle quickly without excessive overshoot, even when the motor has a low electrical time constant.
A command range of ±2.0 VDC with ±10% tolerance limits peak inverter output, allowing shaft torque to be capped through the control system. Real-time diagnostic data are available through a current monitor that produces 2.0 V with ±20% tolerance. A velocity monitor outputs 2.0 V with ±10% tolerance, allowing operating points to be measured without opening or disassembling connected equipment. A built-in dynamic brake absorbs energy during emergency stops, while an internal regenerative circuit processes surplus power during repetitive deceleration cycles. The chassis weighs 16 kg, providing a substantial enclosure for the power electronics and internal braking components. Conformal-coated circuit boards support operation at up to 90% relative humidity when condensation is not present.
