PY0A050A0GB1P02 Sanyo Denki
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The Sanyo Denki PY0A050A0GB1P02 is part of the PY Super BL Servo Amplifiers series and features a 50 Amp amplifier capacity with a built-in dynamic brake. It operates with a main circuit input of 3-phase 200 VAC and supports a control interface for position control. The servo amplifier includes a tray-type power supply structure and an incremental encoder sensor with a resolution of 2000 P/R.
Internal Product Review
The PY0A050A0GB1P02 is a Sanyo Denki servo amplifier with 50 A capacity and position control. Built-in dynamic braking and built-in regenerative processing support controlled deceleration and efficient energy handling in motion systems. Strong 400 Hz frequency characteristics make the unit a highly capable choice for precise, high-response drive applications.
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Product Description:
The PY0A050A0GB1P02 is a servo amplifier manufactured by Sanyo Denki for the PY Super BL Servo Amplifiers series. It supplies controlled motor current, handles regenerative energy, and applies a built-in dynamic brake so machine axes follow precise electronic commands. Used with compatible Super BL servo motors, the unit converts command signals into controlled torque for positioning tooling and conveyors in automated production lines. Within a motion system, it operates between the motion controller and the permanent-magnet motor, translating reference signals while protecting the power source and connected load.
The power stage can deliver up to 50 A of continuous output when the main terminals receive a three-phase 200 VAC supply. The control electronics receive separate power from a single-phase 200 VAC supply, isolating the logic circuits from the motor current. During power-up, the main bus has an inrush current limited to 18 A, while the control section can momentarily draw 40 A; these transient values assist with breaker and contactor selection. The built-in dynamic brake clamps regenerated voltage, begins conduction after 24.0 ms, and can absorb up to 1800 J per event to prevent overvoltage during emergency stops. Regenerative processing hardware returns excess energy to the DC link during normal deceleration, reducing the load placed on the brake. The amplifier uses a tray-style enclosure that slides into rack installations with forced-air cooling channels.
For command processing, the amplifier accepts pulse-train or analog reference signals configured for position control, and it maintains speed across a 1:5000 velocity range. Feedback comes from an incremental encoder with a resolution of 2000 P/R, providing fine position updates for accurate motion control. The drive has an internal frequency characteristic of 400 Hz, supporting responsive control during rapid changes in speed or load. Sensor data and internal control algorithms work together to keep following error low during fast acceleration and deceleration. The regenerative module and other internal components are housed in a compact frame weighing 4.4 kg, which reduces the mounting load inside densely arranged control cabinets or on machine structures.
