QS1A05AA04H01S00 Sanyo Denki
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The Sanyo Denki QS1A05AA04H01S00 is part of the Q SANMOTION Servo Amplifiers series and has an amplifier capacity of 50 Amps. It features a built-in dynamic brake with a 10 millisecond delay and a regeneration resistor of 17 Ohms. The servo amplifier operates in speed, torque, or position modes and has a mass of 1.3 kilograms.
Internal Product Review
The QS1A05AA04H01S00 is a Sanyo Denki servo amplifier with 50 A amplifier capacity and IGBT PWM sinusoidal drive topology. Speed, torque, and position operating modes pair well with a 600 Hz frequency response for precise axis tuning and fast command tracking. Built-in dynamic braking and integrated regeneration make this unit an efficient, high-performing amplifier for demanding motion control.
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Product Description:
The QS1A05AA04H01S00 is a servo amplifier manufactured by Sanyo Denki for the Q SANMOTION Servo Amplifiers series. The unit conditions DC bus energy and feeds it to matched AC servo motors so a machine controller can execute precise motion sequences. By combining the power stage, regeneration hardware, and fault monitoring in one enclosure, it streamlines panel layouts in packaging machines, pick-and-place modules, and semiconductor tools. Designed for multi-axis systems, it interfaces with higher-level motion networks and supports high-bandwidth feedback to keep position error small during rapid indexing.
The amplifier has a peak output capacity of 50 A, allowing it to drive medium-frame servo motors through aggressive acceleration profiles. To absorb regenerative energy during deceleration, a built-in resistor with a resistance of 17 Ω is connected across the DC link; this device dissipates heat locally and removes the need for an external load bank. The logic section draws only 30 VA of control power, so auxiliary supplies remain lightly loaded. When that section is first energized, the control circuitry can draw up to 40 A (0-P), whereas the main power bus reaches a lower inrush current of 18 A, helping prevent nuisance trips in branch protection devices. Current is switched through a sinusoidal IGBT PWM bridge, which delivers low torque ripple and high efficiency. The amplifier supports a 1:5000 speed range and can operate in speed, torque, or position mode without firmware changes. Motor leakage current is limited to 1.5 mA to help meet protective grounding requirements.
Dynamic stopping is integrated, and the internal brake engages within 10 ms after a stop command. It can absorb up to 1800 J per event, making it suitable for decelerating vertical axes with substantial load energy. Loop response is aided by a crossover frequency of 600 Hz when the motor inertia matches the amplifier rating, permitting tight velocity regulation in indexing tables. These functions are housed in a compact chassis that weighs only 1.3 kg, simplifying installation on DIN rails or inside moving carriages. The integrated fault-monitoring functions supervise operation and support controlled responses when abnormal conditions occur.
