GADSA15AB22 Sanyo Denki
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The GADSA15AB22 is a servo amplifier from Sanyo Denki and is part of the G Sanmotion AC Servo Amplifiers series. It features a maximum motor output of 7.0 kW, continuous output current of 34.0 Arms, and amplifier capacity of 150 A. The unit uses an IGBT Sinusoidal PWM control system and is built to handle up to 10 times rotor inertia and operate at altitudes up to 2000 meters.
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Product Description:
The GADSA15AB22 is an AC servo amplifier produced by Sanyo Denki for the G Sanmotion AC Servo Amplifiers series. Intended for industrial automation, the unit interfaces with brushless servo motors and executes position, speed, and torque loops through its position, speed, and torque control function. An internal IGBT sinusoidal PWM stage modulates the three-phase output so the drive can coordinate precise axis motion on packaging lines, machine tools, and robotics. By translating command references from a motion controller into accurately phased current, it forms the power and regulation layer between the controller and the motor.
The amplifier has a capacity of 150 A, enabling high dynamic torque without saturation. For continuous duty, the power stage supplies 34.0 Arms, while peak currents of up to 83.0 Arms support rapid indexing or brief impact loads. The rated mechanical output is 7.0 kW, indicating the largest compatible motor output within the amplifier’s thermal limits. The closed-loop velocity range is 1:5000, permitting fine slow-speed positioning and high-speed travel from a single setup. The allowable load inertia is ten times the rotor inertia, so heavy fixtures can be moved without causing system instability. A sourcing general-purpose output simplifies connections to compatible control devices. A built-in regenerative resistor dissipates braking energy produced during motor deceleration, reducing the need for an external resistor under supported operating conditions.
The drive requires a supply capacity of 13.0 kVA, so cabinet wiring and feeders must accommodate that apparent power. It remains functional at operating altitudes up to 2,000 m and tolerates ambient humidity up to 95% RH. The unit has a shock resistance of 20 m/s² and a vibration resistance of 6 m/s². With a mass of 4.2 kg, the chassis can be mounted beside other servo hardware without placing excessive load on the panel. Adequate clearance around the heat sink supports heat dissipation during continuous operation and regenerative braking events.
