PY0A050A0RA2S01 Sanyo Denki
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The Sanyo Denki PY0A050A0RA2S01 is a servo amplifier from the PY Super BL Servo Amplifiers series with an amplifier capacity of 50 Amps and supports 3-phase main input of 200 to 230 VAC. It includes a built-in dynamic brake with a 24 ms delay and features speed control interface type. The unit has a mass of 4.4 kg and operates in temperatures between 0 to 55°C.
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Product Description:
The PY0A050A0RA2S01 is a servo amplifier manufactured by Sanyo Denki for the PY Super BL Servo Amplifiers series. It conditions three-phase line power and modulates current to drive matched Super BL motors. Closed-loop speed regulation provides rapid torque response and repeatable velocity for automated conveyors, pick-and-place heads, robotic axes, and other motion-control equipment. The amplifier adjusts motor current in response to command and feedback signals, allowing the connected axis to maintain the requested speed as operating loads change.
This model supplies up to 50 A of output current to the connected motor phases. Both the main and control sections accept an input of 200 to 230 VAC, allowing the amplifier to connect directly to compatible factory power distribution systems. The input stage requires a three-phase supply, which minimizes ripple and supports regenerative energy flow during motor deceleration. The permissible line frequency is 50/60 Hz ±3 Hz, allowing operation with either common grid frequency. Internally, the current loop is matched to a servo filter rated at 400 Hz, supporting stable gain settings throughout the operating speed range. A built-in speed interface accepts analog or digital commands and translates the reference signals into pulse-width-modulated drive voltages without requiring an external converter.
The amplifier includes a built-in dynamic braking resistor that shunts regenerated energy and clamps the DC bus during braking. Its actuation latency is 24.0 ms, helping limit motor overshoot during emergency stops. The enclosure weighs 4.4 kg, which simplifies handling during panel installation. When paired with the corresponding feedback encoder, the drive recognizes 6,000 pulses per revolution and maintains a velocity control ratio of 1:5000 from base speed down to crawl. Continuous operation is permitted at temperatures from 0 °C to 55 °C. During storage, the amplifier and its internal components can tolerate temperatures as low as -20 °C, accommodating typical control-cabinet storage conditions.
