Mitsubishi MR-J4-10B Servo Amplifier

Series#: Mitsubishi

Product Details

Product Model: MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 100W MR-J4-10B – High-performance servo drive for precision motion control.
Rated output current of 1.1A at 3-phase 170V AC, ideal for 100W servo motor applications.
Supports SSCNET III/H communication with cycle times of 0.222 ms, 0.444 ms, or 0.888 ms for ultra-fast synchronization.
Built-in dynamic brake for safe and reliable stopping, enhancing system safety.
Compatible with fully closed-loop control and encoder output (A/B/Z-phase pulses) for high-accuracy feedback.
Functional safety STO (IEC/EN 61800-5-2) ensures operator protection in critical environments.
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Specification

The MITSUBISHI MELSERVO-J4 SERIES SERVO AMPLIFIER 100W MR-J4-10B is a state-of-the-art servo drive designed for demanding industrial automation applications. Part of the renowned J4 series, this amplifier delivers precise torque, speed, and position control with advanced SSCNET III/H networking. Its compact design and robust electrical specifications make it ideal for machine tools, packaging, robotics, and assembly lines. The MR-J4-10B features a sine-wave PWM control method, ensuring smooth motor operation and minimal electrical noise. With support for fully closed-loop control and a variety of protective functions, it guarantees reliability and longevity in continuous operation.

Parameter	Specification (MR-J4-10B)	Notes
Output Rated Voltage	3-phase 170 V AC	Standard for all models
Rated Current [A]	1.1	At rated output
Main Circuit Power Supply (AC Input)	3-phase or 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz	For 10B to 70B models
Main Circuit Power Supply (DC Input)	283 V DC to 340 V DC	Optional DC input
Rated Input Current [A] (AC Input)	0.9	At rated load
Permissible Voltage Fluctuation (AC Input)	3-phase or 1-phase 170 V AC to 264 V AC	For 10B to 70B models
Permissible Voltage Fluctuation (DC Input)	241 V DC to 374 V DC	Safe operating range
Permissible Frequency Fluctuation	Within ±5%	50 Hz/60 Hz
Power Supply Capacity [kVA]	Refer to section 10.2	Dependent on load
Inrush Current [A]	Refer to section 10.5	Peak at startup
Control Circuit Power Supply (AC Input)	1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz	Standard for all models
Control Circuit Power Supply (DC Input)	283 V DC to 340 V DC	Optional DC input
Control Circuit Rated Current [A]	0.2	For 10B to 350B models
Control Circuit Power Consumption [W]	30	For 10B to 350B models
Control Circuit Inrush Current [A]	Refer to section 10.5	Peak at startup
Interface Power Supply Voltage	24 V DC ± 10%	For CN8 connector
Interface Power Supply Current Capacity [A]	0.3 (including CN8 connector signals)	Note 1
Control Method	Sine-wave PWM control, current control method	Standard for all models
Dynamic Brake	Built-in	For 10B to 500B models
SSCNET III/H Communication Cycle	0.222 ms, 0.444 ms, 0.888 ms	Selectable
Fully Closed Loop Control	Compatible	Note 7
Scale Measurement Function	Compatible	Note 10
Load-Side Encoder Interface	Mitsubishi Electric high-speed serial communication	Standard
Communication Function	USB: connection to a personal computer or others (MR Configurator2-compatible)	For setup and diagnostics
Encoder Output Pulses	Compatible (A/B/Z-phase pulse)	Standard
Analog Monitor	Two channels	For signal monitoring
Protective Functions	Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic thermal), servo motor overheat protection, encoder error protection, regenerative error protection, undervoltage protection, instantaneous power failure protection, overspeed protection, error excessive protection, magnetic pole detection protection, and linear servo control fault protection	Comprehensive safety
Functional Safety	STO (IEC/EN 61800-5-2)	Safe Torque Off