GADSA05AB22 Sanyo Denki
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The Sanyo Denki GADSA05AB22 is part of the G Sanmotion AC Servo Amplifiers series and has a maximum motor output of 2.5 kW with an amplifier capacity of 50 Amps. It provides a continuous output current of 12.0 Arms and peak output of 26.5 Arms, with a power supply capacity of 3.8 kVA. The amplifier features a built-in 10 Ohm regen resistor and supports a control system based on IGBT Sinusoidal PWM.
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Product Description:
The GADSA05AB22 is a servo amplifier produced by Sanyo Denki within the G Sanmotion AC Servo Amplifiers series. The unit interfaces between a motion controller and a permanent-magnet AC servo motor, converting command signals into modulated power that drives the motor’s three-phase windings. Integrated gating and current loops allow it to execute velocity and position tasks commonly required in pick-and-place systems, packaging machinery, and precision stages used throughout factory automation.
An amplifier capacity of 50 A indicates the maximum instantaneous current that the power stage can handle, while the continuous output limit is 12.0 Arms for steady-state motion. During acceleration or disturbance rejection, the drive can supply a peak current of 26.5 Arms. These current ratings are achieved through an IGBT sinusoidal PWM control system that minimizes pulsating torque. The power section supports motors rated up to 2.5 kW and draws three-phase power from a line with an apparent power rating of 3.8 kVA. Command interfaces accept analog or pulse inputs, and the digital outputs use a sourcing GPO configuration for connected field devices. Internal dynamic-braking hardware includes a built-in regenerative resistor, and an external resistor can be connected when greater energy dissipation is required. The internal resistor has a resistance of 10 Ω and can dissipate up to 90 W of regenerated power. Overvoltage Category III insulation supports operation on fixed industrial power systems.
The available supply headroom supports a velocity control range of 1:5000, allowing fine speed adjustment under light loads. Circuit breakers and supply cables must be selected to accommodate the amplifier’s input requirements and operating current. Mechanical resilience includes a shock resistance of 20 m/s², helping the amplifier withstand sudden movement when installed on high-throughput equipment. The unit also tolerates vibration levels up to 6 m/s², which helps maintain stable feedback and current regulation on moving gantries or machine frames. Installation should provide sufficient ventilation around the amplifier and suitable routing for motor, command, and regenerative braking connections.
