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MR-J3-700B-RJ006

The MR-J3-700B-RJ006 is a high-performance, network-compatible servo amplifier from Mitsubishi Electric's MR-J3 series, designed for advanced motion control in industrial automation systems. This model features SSCNET III high-speed communication and supports large-capacity servo motors up to 7.0kW

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Key Specifications
Category Specification
Model MR-J3-700B-RJ006
Series MR-J3 (SSCNET III compatible)
Rated Output 7.0 kW
Max. Output Current 33 A (continuous), 99 A (instantaneous)
Power Supply 3-phase AC 200–230 V (±10%), 50/60 Hz
Control Method IGBT PWM control (Sine wave drive)
Feedback Resolution 22-bit absolute encoder (4,194,304 pulses/rev)
Communication SSCNET III (Fiber-optic, 10 Mbps)
Regenerative Braking Built-in + external resistor support
3. Control & Performance Features
Multi-Control Modes:

Position / Speed / Torque control

Advanced synchronous control (up to 32 axes)

High-Speed Response: 2.5 kHz frequency response

Vibration Suppression: Adaptive Filter II for resonance damping

Auto-Tuning: Automatic servo gain adjustment

Real-Time Monitoring: Torque, speed, and position feedback via SSCNET III

4. Protection & Safety
Overcurrent/Overvoltage protection

Dynamic brake (emergency stop function)

Encoder error detection

Thermal overload protection

IP20 Protection (Dust-proof, open-frame design)5. Physical & Environmental
Parameter Value
Dimensions (W×H×D) 220 × 350 × 180 mm
Weight Approx. 8.5 kg
Cooling Method Forced air cooling (fan-equipped)
Operating Temperature 0–55°C
Vibration Resistance 4.9 m/s² (10–55 Hz)
6. Applications
Heavy machinery (Presses, CNC)

Large-scale robotics

Material handling systems

Packaging lines

Industrial automation with multi-axis control