QS1A15AA03G01T00 Sanyo Denki
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The Sanyo Denki QS1A15AA03G01T00 is part of the Q SANMOTION Servo Amplifiers series and has an amplifier capacity of 150 Amps. It features IGBT PWM sinusoidal drive control and a built-in dynamic brake with 2450 Joules of energy. The amplifier supports a wire-saving incremental sensor with 2000 pulses per revolution and uses AC 200V for power input.
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Product Description:
The QS1A15AA03G01T00 is a servo amplifier manufactured by Sanyo Denki as part of the Q SANMOTION Servo Amplifiers series. It interfaces between an upstream motion controller and a rotary servomotor, converting command signals into a controlled three-phase output that regulates torque in industrial automation cells. The module performs torque control and includes braking and regeneration hardware, reducing the number of separate components required in the control cabinet.
The power section is rated for an output current of 150 A, allowing it to accelerate medium-to-large motors without exceeding the amplifier’s current capacity. Supply power is drawn from an AC 200 V mains source, and a dedicated surge path limits control-circuit inrush current to 40 A when the amplifier is energized. Incoming position references are accepted at up to 5 Mpulse/s, supporting high-resolution interpolation tasks. An IGBT pulse-width modulation stage synthesizes a sinusoidal motor voltage waveform, while the control electronics execute torque loops commanded through differential analog inputs. A built-in dynamic brake dissipates mechanical energy during rapid stops.
A built-in regeneration resistor of 6 Ω absorbs excess DC bus energy, and the brake circuit can handle 2450 J per event. The main power path limits inrush current to 18 A, helping prevent unnecessary trips of upstream circuit breakers. Leakage current to the motor frame is limited to 3 mA to support proper safety grounding. The torque command channel accepts a range of DC ±2.0 V, providing proportional torque control through an analog reference. Diagnostics are reported through a 3-bit alarm-code output. The amplifier supports incremental feedback from a wire-saving 2000 P/R sensor through differential pulse inputs, and feedback signals can also be monitored through an open-collector interface operating at 150 kHz.
