Mitsubishi MR-J4-10B MELSERVO-J4 100W SSCNET III/H Servo Amplifier

Mitsubishi Electric MELSERVO-J4 MR-J4-10B is a compact AC servo amplifier for precise motion control in industrial automation and OEM systems. Rated output 100 W (0.1 kW) at 200‑240 V AC, single‑phase or three‑phase input. Built‑in dynamic brake, regenerative resistor, and SSCNET III/H high‑speed fiber‑optic communication interface for synchronized multi‑axis control. Advanced vibration suppression control, one‑touch tuning, 22‑bit high‑resolution encoder support, and Safe Torque Off (STO) safety function. 30 mm width for space‑saving panel mounting, IP20 enclosure, natural cooling.

Applications:

• High‑precision small‑scale motion control in semiconductor and electronics assembly

• Compact robotics and small pick‑and‑place systems

• Medical equipment and laboratory automation

• Packaging machinery and labeling equipment

Core Specifications:

• Rated output power: 100 W (0.1 kW)

• Rated output current: 1.1 A

• Supply voltage: 200‑240 V AC, 50/60 Hz (single‑phase or three‑phase input)

• Control interface: SSCNET III/H (high‑speed fiber‑optic communication)

• Control modes: Position, speed, torque control

• Encoder feedback: 22‑bit absolute encoder (4,194,304 pulses/revolution)

• Safety function: STO (Safe Torque Off) per IEC/EN 61800‑5‑2

• Built‑in dynamic brake: yes

• Built‑in regenerative resistor: yes

• Cooling method: Natural cooling (fanless)

• Enclosure rating: IP20

Advanced Specifications:

• Digital inputs: 4 (EM2, FLS, RLS, DOG – 24 V DC, sink/source)

• Digital outputs: 3 (ALM – relay contact, MBR – relay contact, INP – relay contact)

• Analog outputs: 2 (–10 … +10 V DC, MO1 and MO2)

• Power consumption (control circuit): 25 W

• Input current consumption: 1.1 A

• Ambient operating temperature: 0 °C … +55 °C

• Storage temperature: –20 °C … +65 °C

• Operating humidity: 10 % … 90 % (non‑condensing)

• Altitude: 1,000 m max.

• Vibration resistance: 5.9 m/s² (10 to 55 Hz)

• Dimensions (W × H × D): 30 mm × 168 mm × 170 mm

• Weight: approx. 0.7 kg

• Certifications: CE, cULus, TÜV Rheinland, KC, UL 508C, EN 61800‑5‑2, EN 61800‑5‑1, EN 61800‑3, EN ISO 13849‑1 (PLe/Cat 3), EN 62061 (SILCL3)

Motor Compatibility:

• Designed for Mitsubishi HG-KR and HG-MR series servo motors (100 W rating)

• Compatible with HG‑KR13, HG‑KR13BJ, HG‑MR13, and other 100 W low‑inertia / medium‑inertia servomotors

• Supports 22‑bit absolute encoder feedback (battery‑backed position retention)

System Integration:

• This amplifier belongs to the Mitsubishi Electric MELSERVO-J4 series.

• SSCNET III/H high‑speed fiber‑optic communication enables multi‑axis synchronization with Mitsubishi motion controllers (Q17, Q170, Q172, etc.)

• J3 compatibility mode allows easy replacement of MR‑J2S‑B or MR‑J3‑B systems

• For detailed wiring, connector pinout, and parameter setting, refer to the MR-J4‑B Instruction Manual.

Related Products:

• MR‑J4‑20B – 200 W version for higher power requirements

• MR‑J4‑10A – Pulse train input version (without SSCNET III/H)

• HG‑KR13 – 100 W low‑inertia servo motor with 22‑bit encoder

• MR‑J3BUS01M / MR‑J3BUS05M / MR‑J3BUS1M – SSCNET III/H fiber‑optic cables

• MR‑BTBLCBL02M‑B – Dynamic brake cable (external use)

• MR‑BKS1CBL03M‑A – Battery cable for absolute encoder