The MR-J3-700B-RJ004U526 is a complete 7.0kW servo system from Mitsubishi's MR-J3 series, combining a high-performance servo amplifier with pre-installed regenerative resistor (RJ004) and special firmware (U526) for optimized motion control in demanding industrial applications.
System Configuration
Component Specification
Servo Amplifier MR-J3-700B
Regenerative Unit RJ004 (40W capacity)
Firmware Version U526 (Enhanced functions)
3. Amplifier Specifications
Parameter Value
Rated Output 7.0 kW
Max. Current 33A (cont.), 99A (peak)
Power Supply 3-phase 200-230V AC (±10%), 50/60Hz
Control Method Advanced Vector Control
Feedback 22-bit absolute encoder (4,194,304 p/rev)
Communication SSCNET III (10Mbps fiber optic)
Protection Class IP20
4. Special Firmware Features (U526)
✔ Enhanced Vibration Control:
Advanced adaptive filtering
Mechanical resonance suppression
✔ Application-Specific Functions:
Customized S-curve acceleration
Extended electronic gear ratio (1-9999:1)
Specialized gain presets
✔ Diagnostics:
Vibration analysis
Load inertia monitoring
Predictive maintenance alerts
5. Physical Specifications
Parameter Value
Dimensions 220 × 350 × 180 mm
Weight 8.5 kg
Cooling Method Forced air (fan-cooled)
Mounting Panel mounting
6. Environmental Ratings
Operating Temp.: 0°C to +55°C (40°C base)