Elmo SBA-5/200H Servo Amplifier

1. Product Detailed Description

The SBA-5/200H is a 3-phase, full-wave servo amplifier designed to drive high-performance brushless servo motors in the range of up to 0.7 kW. It utilizes advanced power MOSFET technology and Surface Mounting Technology (SMT), which allows it to maintain a tiny footprint without compromising on power density.

The unit is constructed from two primary PCBs mounted on a dedicated heat sink plate. The lower board handles power switching, motor terminals, and protection logic, while the internal DC-to-DC converter allows the entire unit to operate from a single power supply.

2. Product Parameters (Specifications)

3. Product Advantages

• Miniature Footprint: Its ultra-compact design makes it ideal for applications with limited space, such as robotic joints or portable machinery.

• High Efficiency: With over 97% efficiency, the drive generates minimal heat, reducing the need for heavy cooling systems.

• Simplified Integration: Features an internal DC-to-DC converter, meaning you only need a single power source to drive both the logic and the motor.

• Robust Protection: Includes built-in protection against over-voltage, under-voltage, short circuits, and thermal overloads.

• Zero Deadband: Ensures smooth motion and high precision, even at very low speeds or during direction changes.

4. Cautions & Precautions

• Heat Dissipation: While highly efficient, the module must be mounted on an appropriate heat-conducting surface or heat sink to ensure the internal temperature stays within safe operating limits.

• Voltage Limits: Do not exceed the 200V DC maximum rating. Excessive voltage can cause permanent damage to the power MOSFETs.

• Wiring Accuracy: Ensure the Hall sensor signals and motor phases are correctly aligned. Incorrect wiring can lead to erratic behavior or "runaway" motor conditions.

• Discontinued Status: Note that this model has been largely discontinued by the manufacturer. New units may be difficult to find, and most available stock consists of refurbished or "New Old Stock" (NOS) parts.

5. Product Applications

The SBA-5/200H is widely used in precision-focused industries:

• Robotics: Small robotic arms, pick-and-place machines, and AGVs (Automated Guided Vehicles).

• Semiconductor Manufacturing: Wafer handling and high-speed positioning stages.

• Medical Equipment: Lab automation, surgical robotics, and high-speed scanning devices.

• Aerospace & Defense: Gimbal controls, antenna positioning, and UAV flight control surfaces.

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

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