**Elmo Motion Control SBA-5/200H Miniature PWM, Full Wave, 3-Phase Servo Amplifier: Technical Overview**
The Elmo Motion Control SBA-5/200H is a compact, high-efficiency, 3-phase servo amplifier designed for demanding motion control applications. Utilizing Pulse Width Modulation (PWM) technology, this amplifier delivers precise motor control in a small form factor, making it suitable for integration into space-constrained systems. It is engineered for high-performance brushless servo motors up to 0.7kW and features a dual PCB construction mounted on a heatsink plate for thermal management. The SBA-5/200H offers operational flexibility with various feedback sensor options and multiple modes of operation, including velocity and current control.
**Technical Specifications**
**General Features:**
* **Technology:** Miniature PWM, Full Wave, 3-Phase Servo Amplifier
* **Motor Power Range:** Designed for high-performance brushless servo motors up to 0.7kW
* **Construction:** Two PCBs mounted on a heatsink plate
* Lower PCB: Power switching transistors, motor terminals, switch mode power supply, protection logic
* Upper PCB: Control logic, commutation logic, control stage terminals, adjusting trimmers, indication LEDs
* **Efficiency:** Up to 97% at rated current
* **Linearity:** Better than 1%
* **Zero Deadband:** Yes
* **Internal DC to DC Converter:** Allows operation from a single supply
* **Status Indication:** LED diagnostics
* **Availability Note:** Discontinued by manufacturer, but may be available through secondary markets
**Electrical Specifications:**
* **Switching Frequency:** 20 KHz (40 KHz or 60 KHz available on request)
* **Current Loop Response:** 2 KHz (minimum)
* **Output Voltage:** Up to 90% of DC input voltage
* **Output Voltages for External Use:** +5V, +13V
* **DC Supply Voltage Range:** Defined within the technical specifications (refer to operating manual for specific range)
* **Current Ripple:** Recommended limits of 10%-20% of rated current. Formula for calculation: `Ir = (0.5 * Vs) / (f * L)` where Ir is current ripple, Vs is DC supply voltage, f is frequency in KHz, and L is load inductance in mH.
* **Drift:** 10 µV/°C (referred to input)
**Feedback and Control:**
* **Operation Modes:** Velocity mode, Current mode
* **Feedback Sensor Options:**
* **Resolver:** 10, 12, 14, and 16-bit resolution (user-selectable). Maximum tracking rate of 1040 rps (at 10-bit resolution)
* **Optical Encoder:** Maximum input frequency 800 KHz, speed regulation 500:1, encoder frequency x1 or x4, output voltage range 2-30V. Output supplies: 5V/50mA, 12V/20mA
* **Hall Effect:** Accepts brush tachogenerator for velocity feedback and Hall effect sensors for commutation (Hall effect version)
* **B and E versions:** Require Hall effect sensors for commutation
* **Commutation Logic:** Built-in
* **Adjustments:** Adjustable compensation, input balance (offset)
* **External Control Inputs:**
* Remote inhibit
* External current limit inputs
**Interfaces:**
* **Motor Current Monitor:** Yes
* **Inhibit/Fault Indication:** Logic level
* **Protection Features:** Latch/self-restart modes
**Physical and Environmental:**
* **Operating Temperature:** 0°C to 50°C
* **Storage Temperature:** -10°C to +70°C
* **Weight:** 1.01 lbs
**Compatibility:**
* **Motor Type:** Designed for high-performance brushless servo motors
Why Choose Aumictech for Elmo Motion Control SBA-5/200H?
At Aumictech, we specialize in supplying high-end motion control equipment. Whether you need precise motor control, efficient power management, or seamless integration into complex systems, our team ensures the Elmo Motion Control SBA-5/200H delivers maximum performance for your application.


















