DSA-MTR-40DA-2
The DSA-MTR-40DA-2 is a high‑current, rack‑mounted AC servo drive manufactured by Reliance Electric (now ABB/Baldor Reliance) as part of the DDS‑TLII series, designed for heavy‑duty industrial motion control requiring 40 A continuous output and robust performance in demanding environments.
Overview
Built for high‑power applications, the DSA‑MTR-40DA-2 converts three‑phase AC input into high‑frequency PWM output, supporting both induction and permanent‑magnet servo motors. It features a rugged metal enclosure, advanced DSP control, high‑power IGBT modules, and comprehensive protection circuits, ensuring stable, efficient, and low‑maintenance operation under heavy loads, vibration, and fluctuating power conditions.
Key Specifications
Model: DSA‑MTR-40DA-2
Manufacturer: Reliance Electric (ABB/Baldor Reliance)
Series: DDS‑TLII
Input Voltage: 380–480 VAC, three‑phase, 50/60 Hz
Output Current: 40 A (continuous), 120 A (peak)
Compatible Motor Power: 7.5 kW to 15 kW (400 V class)
Control Modes: Position, speed, torque (closed‑loop); V/F; field‑oriented control (FOC)
Feedback: Incremental encoder (A/B/Z, up to 5000 PPR); resolver (optional)
Command Input: ±10 VDC analog, pulse/direction, Modbus RTU
Switching Frequency: 4 kHz to 16 kHz (adjustable)
Operating Temperature: 0°C to +55°C
Storage Temperature: -25°C to +75°C
Protection: Overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit, overload, ground fault, encoder loss
Enclosure: IP20 (cabinet mount)
Mounting: Rack‑mount (vertical)
Cooling: Forced‑air cooling with integrated high‑speed fans
Weight: Approximately 16–17 kg (35–37 lbs)
Core Features
The DSA‑MTR-40DA-2 utilizes high‑power IGBTs and DSP‑based algorithms for fast dynamic response, low torque ripple, and high efficiency. It offers flexible parameter programming via front‑panel keypad or remote HMI, and a built‑in Modbus interface for seamless integration with PLCs and SCADA systems. LED indicators and a digital alarm display simplify monitoring and troubleshooting, while the heavy‑duty construction and efficient cooling ensure reliability during prolonged high‑load operation.
Applications
Ideal for high‑power motion control requiring precision and high torque, typical applications include heavy‑duty CNC machine tools, industrial cranes, large conveyors, metalworking machinery, paper/printing equipment, and process automation lines in automotive, aerospace, heavy manufacturing, and material handling industries. It excels with large inertia loads, frequent start‑stop cycles, and strict speed/torque regulation.
Installation and Maintenance
Install in a clean, dry, well‑ventilated cabinet with minimum 200 mm clearance top and bottom for airflow. Verify input voltage matches ratings and wire power, motor, encoder, and communication connections correctly. Mount vertically for optimal cooling. Regular maintenance includes checking fan operation, cleaning heat sinks, inspecting wiring tightness, and verifying encoder signal integrity. Avoid excessive moisture, corrosive gases, or conductive contaminants. Review fault logs periodically and update parameters to maintain performance and extend service life.
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