PY0A030A0N51P00 Sanyo Denki
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The Sanyo Denki PY0A030A0N51P00 is a servo amplifier from the PY Super BL Servo Amplifiers series and has an amplifier capacity of 30 Amps with 3-phase input. It supports position control interface and a velocity control range of 1 to 5000. The amplifier features a 20 watt regeneration resistor and utilizes an incremental encoder sensor with 2000 pulses per revolution.
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Product Description:
The PY0A030A0N51P00 is a servo amplifier manufactured by Sanyo Denki within the PY Super BL Servo Amplifiers series. It forms the interface between a motion controller and a Super BL servo motor, converting command pulses into regulated three-phase current while returning velocity and position feedback to the controller. Designed for industrial automation, the unit supplies current, monitors motor status, and initiates protective actions so axes in machine tools, semiconductor handlers, and packaging lines move with repeatable accuracy.
Output capability reaches 30 A, giving the drive enough current for mid-frame Super BL motors under continuous torque demand. Incoming power is accepted from a three-phase mains supply and is processed through a carrier system with a 400 Hz frequency characteristic, allowing the amplifier to respond to commanded torque changes. During initial energization, the control section can draw 40 A of inrush current, so upstream supplies must tolerate this brief demand without tripping. Once the amplifier is operating, load regulation remains within ±0.1%, helping commanded velocity or torque remain nearly constant as the mechanical load varies. The analog current-limit input is centered on ±2.0 VDC, and the built-in current monitor reproduces motor current at 2.0 V for oscilloscope diagnostics.
The main power stage has a maximum inrush current of 18 A. Excess kinetic energy from overhauling loads is dissipated through an external 50 Ω resistor with a power capacity of 20 W, helping prevent overvoltage on the DC bus. Closed-loop speed control spans 1:5000, allowing precise low-speed indexing and high-speed transit with the same motor. Position feedback is provided by an incremental encoder with 2,000 pulses per revolution, and a separate velocity monitor reproduces tachometer signals at 2.0 V for oscilloscope checks. With a mass of 2.2 kg, the amplifier can be panel-mounted without requiring substantial cabinet reinforcement. Its relatively low mass also reduces the mechanical load placed on mounting panels in multi-axis control cabinets.
