GADSA07AB22 Sanyo Denki
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The Sanyo Denki GADSA07AB22 is part of the G Sanmotion AC Servo Amplifiers series and offers a maximum motor output of 3.5 kW with a continuous output current of 18.0 Arms. This amplifier features IGBT-based sinusoidal PWM control, manages a main input voltage of 3-phase 200 to 240 VAC, and has a mass of 2.4 kg. Its velocity control range is 1:5000 and it supports power supply capacities up to 7.1 kVA.
Internal Product Review
The GADSA07AB22 is a Sanyo Denki AC servo amplifier built for precise motion control with Position/Speed/Torque control and an IGBT-based sinusoidal PWM system. A 3-phase 200 to 240 VAC input and 3.5 kW motor output give this unit strong capability for demanding servo axes. Peak output current of 45.5 Arms is a standout spec for high-response applications.
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Product Description:
The GADSA07AB22 servo amplifier is produced by Sanyo Denki within the G SANMOTION AC Servo Amplifiers series. Designed for machine tools, packaging lines, and other automated equipment, the unit provides an interface between a motion controller and a three-phase servo motor. It converts command signals into regulated current, voltage, and switching patterns that govern rotor position, speed, and torque.
Beneath its aluminum housing, the drive stage is rated for an instantaneous switching current of 75 A, providing the IGBT bridge with headroom during dynamic load changes. It accepts a three-phase 200 to 240 VAC supply and draws a nominal current of 18.5 A RMS, so cabinet wiring must accommodate the resulting thermal load. During steady operation, the motor windings receive a continuous current of 18.0 A RMS. Short acceleration cycles can be supported by a peak current of 45.5 A RMS without triggering overcurrent protection. The input section has a rating of 7.1 kVA, which assists with the selection of isolation transformers and branch-circuit breakers. Sinusoidal pulse-width modulation performed by insulated-gate bipolar transistors provides low harmonic distortion and smooth torque production.
The amplifier’s position, speed, and torque loops support a maximum motor output of 3.5 kW. Velocity can be regulated across a speed range of 1:5000, allowing the same axis to index slowly during setup and operate at full production speed without losing resolution. The safe torque off function has a response time of 0 to 20 ms, supporting category-rated stop sequences. For braking energy, an internal circuit connects to a 120 W braking resistor. A resistance of 6 ohms is required for the internal element and is also the minimum resistance permitted for an external resistor under higher braking demand. Sourcing-type general-purpose outputs simplify PLC interfacing, while the IGBT control core processes position, speed, and torque commands. The module weighs 2.4 kg, making it suitable for installation in high-density control panels.
