PYRA015EXXXST0 Sanyo Denki
Wake Industrial LLC is not an authorized distributor of this product.
The Sanyo Denki PYRA015EXXXST0 is part of the PY Super BL Servo Amplifiers series and has a control power capacity of 40 VA. It features a velocity control range of 1 to 5000 and weighs 2.2 kilograms. The unit supports a frequency characteristic of 400 Hz and includes a dynamic brake delay of 6.5 milliseconds.
Internal Product Review
The PYRA015EXXXST0 is a Sanyo Denki PY Super BL servo amplifier engineered for precise motion control, with a 1:5000 velocity control range and 400 Hz frequency characteristics. Load regulation is excellent, with ±0.1% load variation and ±0.1% voltage variation supporting stable servo response. Fast 6.5 ms dynamic brake delay adds strong stopping performance for demanding automation axes.
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Product Description:
The PYRA015EXXXST0 is a servo amplifier produced by Sanyo Denki for the PY Super BL Servo Amplifiers series. It conditions drive power and feedback for a matched brushless servo motor, enabling precise velocity and torque loops in industrial automation cells. By converting control commands into regulated armature current and managing regeneration, it forms the interface between a motion controller and the motor, keeping positioning equipment within tight speed and load tolerances.
The amplifier draws a control supply of 40 VA, and during initial energization, the control circuit experiences an inrush current of 40 A; this rating guides fuse sizing for the low-power section. Frequency response is specified at 400 Hz, so commanded velocity changes up to that bandwidth can be tracked without noticeable phase lag. Closed-loop operation benefits from a velocity control span of 1:5000, allowing stable speed from creep through full rated rpm. Dynamic stopping is coordinated by an internal brake circuit that engages after only 6.5 ms, minimizing overshoot when motion is halted. Load variation remains within ±0.1%, voltage variation tolerance is ±0.1%, and temperature variation affects gain by only ±0.5%. The current monitor outputs 2.0 V per rated armature amp, while the velocity monitor scales at 2.0 V for each 1000 rpm; both monitors have a maximum output range of ±10 V.
When the main power bus is applied, the converter side experiences an inrush current of 18 A; this surge influences contactor and precharge resistor selection. Regenerated energy is dissipated through an onboard resistor rated at 100 Ω and limited to 20 W, protecting the DC link during rapid deceleration or load reversals. Cabinet layout benefits from the unit’s compact form and total mass of 2.2 kg, allowing it to be mounted on a DIN rail or panel without heavy structural reinforcement.
