PY2A030A3 Sanyo Denki
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The Sanyo Denki PY2A030A3 is a servo amplifier from the PY Super BL Servo Amplifiers series with a capacity of 30 Amps and supports a single-phase 200 VAC input. It includes a built-in dynamic brake with 360 Joules of energy and features a frequency characteristic of 400 Hz. The amplifier has a velocity control range of 1 to 5000 and a mass of 2.0 kilograms.
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Product Description:
The PY2A030A3 is a servo amplifier developed by Sanyo Denki for the PY Super BL Servo Amplifiers series. As an interface between a controller and a brushless motor, it regulates current and voltage so that position or speed loops remain stable in industrial automation tasks such as controlling pick-and-place heads or indexing tables. The unit incorporates a built-in dynamic brake, allowing the motor shaft to be stopped quickly without external braking hardware. Its compact form supports cabinet installation in motion-control systems where available panel space is limited.
The amplifier can supply a maximum continuous phase current of 30 A to the motor windings. The power section accepts a 200 VAC mains feed and operates from a single-phase supply, simplifying field wiring in small machines. During emergency stops, the integrated dynamic brake can absorb up to 360 J of kinetic energy. The amplifier has a frequency response of 400 Hz, supporting high-bandwidth velocity control. Leakage current is limited to 0.5 mA to meet ground-fault safety requirements, while the chassis height of 198 mm permits installation in compact enclosures. A regeneration resistor is not built into the amplifier, so an external braking resistor is required for applications with sustained or repetitive deceleration cycles.
For position-control applications, the velocity control range reaches 1:5000, enabling precise speed regulation from low-speed movement to rated motor speed. The unit weighs 2.0 kg, which reduces the load placed on cabinet mounting surfaces. The protective-earth terminal uses an M4 screw tightened to 1.18 N·m to provide a low-impedance ground connection, and an earth-leakage monitor can be connected through this point. A width of 70 mm helps preserve airflow paths between adjacent modules when several amplifiers are installed in one enclosure. The amplifier does not provide a ready output contact, so the controller must determine system readiness through the available operating status information.
