GADSA02LB22 Sanyo Denki
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The Sanyo Denki GADSA02LB22 servo amplifier belongs to the G Sanmotion AC Servo Amplifiers series and supports one controllable axis. It features a 20 Amp amplifier capacity, position, speed, and torque control functions, and uses an IGBT-based sinusoidal PWM control system. The unit weighs 0.80 kg and operates in temperatures from 0 to 60 degrees Celsius with up to 95% relative humidity.
Internal Product Review
The GADSA02LB22 is a Sanyo Denki G Sanmotion AC servo amplifier with 20 A capacity and an IGBT-based sinusoidal PWM control system. Analog/pulse interface support and position/speed/torque control make the amplifier especially versatile for precise motion applications. Integrated STO functionality is a strong advantage for safety-conscious machine designs.
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Product Description:
The Sanyo Denki GADSA02LB22 is an AC servo amplifier in the G Sanmotion AC Servo Amplifiers series. Designed to drive one brushless servomotor axis, the unit converts incoming power into regulated three-phase output power and processes feedback signals to maintain precise motion. Within an automation cell, it anchors the closed-loop drive system by supplying the current needed to follow position, speed, or torque commands. It can also connect to PLCs or standalone motion controllers for coordinated machine operation. A compact heat sink and pluggable connectors support high-density mounting in multi-axis racks without requiring elaborate ventilation hardware.
Rated for 20 A, the amplifier handles the peak phase current required by many small-to-medium servomotors without saturating its power stage. The control electronics accept either 200–240 VAC single-phase power at 50/60 Hz or 300 VDC, enabling operation from standard factory power or a shared DC bus. Drive modulation uses an IGBT-based sinusoidal PWM topology that reduces switching losses while keeping motor noise low. Available command paths include position, speed, and torque modes, allowing the drive to support different motion-control requirements. Setpoints can arrive through an analog or pulse interface, and the sourcing-type general-purpose output can operate low-level field signals such as brake-release commands. The amplifier controls one axis, making it suitable for machines that use separate drives for individual motors.
The main power section accepts 200–240 VAC single-phase or three-phase power at 50/60 Hz, or 300 VDC, allowing connection to several common industrial power arrangements without an external transformer. The amplifier can operate at a maximum relative humidity of 95%, provided condensation is prevented inside the electrical enclosure. Its permitted ambient temperature range is 0 to +60 °C, supporting installation in enclosed control panels with suitable heat dissipation. With a mass of 0.80 kg, the unit adds little load to cabinet rails and mounting plates. A safe torque off function removes gate-drive signals from the IGBTs when activated, preventing the amplifier from producing motor torque. This function supports machinery safety circuits without requiring the main power supply to be disconnected for every controlled stop.
