QS1A01AA04401PWA Sanyo Denki
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The Sanyo Denki QS1A01AA04401PWA is a servo amplifier from the Q SANMOTION Servo Amplifiers series with an amplifier capacity of 15 Amps and operates at an input voltage of AC200V. It uses an IGBT PWM sinusoidal drive control system, features a built-in dynamic brake with an energy capacity of 360 Joules, and supports a position control interface. This model supports a rotary motor, has a wire-saving incremental encoder with 2000 pulses per revolution, and weighs 1.25 kilograms.
Internal Product Review
The QS1A01AA04401PWA is a Sanyo Denki Q SANMOTION servo amplifier with AC200V input and an IGBT PWM sinusoidal drive control system. A built-in dynamic brake with 360 J energy gives the amplifier strong deceleration capability in demanding motion setups. The wire-saving incremental encoder and 2000 P/R resolution make this model a very capable choice for precise feedback performance.
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Product Description:
The QS1A01AA04401PWA is a servo amplifier produced by Sanyo Denki as part of the Q SANMOTION Servo Amplifiers series. It regulates the current and voltage supplied to a compatible rotary servo motor. This regulation enables precise position control in industrial automation lines that require rapid indexing and accurate repeatability. The amplifier uses incremental feedback to monitor motor movement and correct deviations from commanded positions during operation.
The amplifier can deliver up to 15 A of continuous output current while accepting a single-phase or three-phase supply at 200 V AC. Power conversion is handled by an IGBT PWM sinusoidal drive stage that modulates the motor phases with low harmonic distortion. When power is first applied, the control circuit draws a peak inrush current of 40 A (0-P). The main power path experiences a peak inrush current of 18 A (0-P), which must be considered when selecting upstream fuses and contactors. The unit uses a position-control interface and standard hardware connectors for integration with compatible motion controllers. A built-in dynamic brake dissipates kinetic energy during emergency stops. The amplifier does not contain an internal regeneration resistor, so the connected load and system inertia must remain within the available energy absorption capacity unless suitable external braking equipment is installed.
The dynamic brake has a total energy capacity of 360 J and engages after a delay of 10 ms to reduce abrupt mechanical shock. Feedback resolution is 2000 P/R, providing fine incremental position data for stable servo control. The wire-saving incremental encoder multiplexes feedback signals through fewer conductors, reducing the amount of encoder cabling required between the motor and amplifier. The chassis has a shock resistance of 5 G, allowing it to withstand sudden impacts within the stated limit. Its aluminum construction helps protect the internal power electronics while keeping the assembly compact. The amplifier weighs 1.25 kg, which limits the load placed on electrical panel mounting surfaces.
