Mitsubishi MR-J4W2-44B Servo Amplifier
The Mitsubishi MR-J4W2-44B is a dual-axis digital AC servo amplifier from the MELSERVO-J4 series, engineered to deliver precise and efficient motion control in industrial automation applications. With a rated output of 0.4 kW per axis, this servo amplifier is designed to enhance the performance and reliability of your automation systems.
Key Features
- Dual-Axis Control: Supports two axes, allowing for synchronized and efficient motion control.
- Flexible Power Supply: Operates with both single-phase and three-phase AC inputs ranging from 200 V to 240 V at 50/60 Hz, accommodating various industrial power configurations.
- Advanced Safety Functions: Incorporates Safe Torque Off (STO) functionality in compliance with IEC/EN 61800-5-2 standards, ensuring enhanced safety during operation.
- Built-In Dynamic Brake: Features an integrated dynamic brake for rapid stopping and improved control during emergency situations.
- High-Speed Communication: Utilizes SSCNET III/H interface for high-speed, high-precision communication with compatible controllers and devices.
Technical Specifications
- Rated Output: 0.4 kW per axis
- Output Rated Voltage: Three-phase AC 170 V
- Rated Current (Per Axis): 2.8 A
- Main Circuit Power Supply Input:
- Voltage/Frequency: Three-phase or single-phase AC 200 V–240 V, 50/60 Hz
- Rated Current: 5.2 A
- Allowable Voltage Variation: ±5%
- Allowable Frequency Variation: ±5%
- Control Circuit Power Supply Input:
- Voltage/Frequency: Single-phase AC 200 V–240 V, 50/60 Hz
- Rated Current: 0.4 A
- Allowable Voltage Variation: ±5%
- Allowable Frequency Variation: ±5%
- Power Consumption: 55 W
- Interface Power Supply: DC 24 V ±10%, 0.35 A
- Control Method: Sine wave PWM control, current control method
- Regenerative Energy Storage:
- Capacitor Regeneration: 21 J
- Permissible Equivalent Inertia Moment J: 4.26 × 10-4 kg•m²
- Permissible Equivalent Mass: 4.7 kg
- Built-in Regenerative Resistor Power: 20 W
- Dynamic Brake: Built-in
- SSCNET III/H Command Communication Cycle: 0.222 ms, 0.444 ms, 0.888 ms
- Communication Function:
- USB: Connection with a PC (supports MR Configurator2)
- Encoder Output Pulses: AB phase pulse supported
- Servo Functions: Advanced Vibration Control II, Adaptive Filter II, Robust Filter, Auto-Tuning, One-Touch Adjustment, Tough Drive Function, Drive Recorder Function, Press Control, Machine Diagnostic Function, Power Monitoring Function, Driver-to-Driver Communication Function, Scale Measurement Function, J3 Compatibility Mode
- Protection Functions: Overcurrent cutoff, regenerative overvoltage cutoff, overload cutoff (electronic thermal), servo motor overheating protection, encoder abnormality protection, regenerative abnormality protection, undervoltage protection, instantaneous power failure protection, overspeed protection, excessive error protection, magnetic pole detection protection, linear servo control abnormality protection
Dimensions and Weight
- Width: 60 mm
- Height: 168 mm
- Depth: 195 mm
- Weight: 1.5 kg
The Mitsubishi MR-J4W2-44B servo amplifier is a robust and versatile solution for industrial automation, offering advanced features and reliable performance to meet the demands of modern manufacturing environments.
















