Mitsubishi MR-J2S-200A MELSERVO J2S 2kW Universal Interface Servo Amplifier

Mitsubishi Electric MELSERVO J2‑Super series MR‑J2S‑200A is a universal interface AC servo amplifier for industrial motion control and automation systems. Rated output 2 kW at 200‑230 V AC, single‑phase or three‑phase input. Sine‑wave PWM control method with position, speed, and torque control modes. Speed loop frequency response over 550 Hz for high‑speed positioning applications. Built‑in dynamic brake and natural cooling. This product is discontinued and available as a spare part for maintaining existing MELSERVO J2S‑based systems.

Applications:

• CNC machine tools and high‑speed positioning equipment

• Automated assembly lines and pick‑and‑place robotics

• Packaging machinery and labeling equipment

• Semiconductor and electronics manufacturing equipment

• Material handling systems and automated guided vehicles

Technical Specifications:

Core Specifications

• Product type: MELSERVO J2‑Super series servo amplifier

• Rated output power: 2 kW (2000 W)

• Rated output current: 10.5 A (approx.)

• Supply voltage: 200‑230 V AC, 50/60 Hz (single‑phase or three‑phase input)

• Permissible voltage fluctuation: 170‑253 V AC

• Control methods: Sine‑wave PWM control, current control

• Control modes: Position, speed, torque

• Speed loop frequency response: ≥ 550 Hz

• Built‑in dynamic brake: Yes

• Cooling method: Natural cooling (fanless)

• Enclosure rating: IP20

Position Control Specifications

• Max. input pulse frequency: 500 kpps (differential line driver), 200 kpps (open‑collector)

• Electronic gear: A/B multiplication (A = 1‑65535, B = 1‑65535, 1/50 < A/B < 500)

• Positioning complete width: 0 to ±10,000 pulses (command pulse unit)

• Torque limit: Parameter setting or external analog input (0 to +10 V)

Speed Control Specifications

• Speed control range: 1:2000 (analog speed command), 1:5000 (internal speed command)

• Analog speed command input: 0 to ±10 V DC / rated speed

• Speed fluctuation rate: ±0.01% (load change 0‑100%), 0% (power supply ±10%)

Torque Control Specifications

• Analog torque command input: 0 to ±8 V DC / max. torque

• Speed limit: Parameter setting or external analog input (0 to +10 V)

Protection Functions

• Overcurrent shut‑off

• Regeneration overvoltage shut‑off

• Overload shut‑off (electronic thermal)

• Servo motor overheat protection

• Encoder error protection

• Undervoltage protection

• Overspeed protection

• Excessive error protection

Physical Specifications

• Weight: approx. 2 kg – 2.3 kg

• Dimensions (H × W × D): 168 mm × 70 mm × 135 mm

• 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)

Compatibility information:

• This servo amplifier belongs to the Mitsubishi Electric MELSERVO J2‑Super series.

• Compatible servo motors: HC‑SFS121, HC‑SFS152, HC‑SFS153, HC‑SFS201, HC‑SFS202, HC‑SFS203, HC‑LFS152.

• Supports 17‑bit absolute encoder feedback (131,072 pulses/revolution).

• Encoder battery backup (MR‑BAT6V1SET) is required for absolute position retention.

• For detailed installation, wiring, connector pinout, and parameter settings, refer to the MR‑J2S‑A Instruction Manual.

Product Status:
Discontinued. Available as a spare part for existing MELSERVO J2S‑based systems. For new installations, use the recommended successor (MR‑J4‑200B).

Related Products:

• HC‑SFS201 – 2 kW medium‑inertia servo motor

• MR‑J4‑200B – Recommended replacement (MELSERVO‑J4 series)

• MR‑J2S‑200B – SSCNET III/H interface version

• MR‑BAT6V1SET – Battery for absolute encoder backup

• MR‑J3ENCBL2M‑A1 – Encoder cable, 2 m (standard bending life)

• MR‑PWS1CBL2M‑A1 – Power cable, 2 m

• MR‑CBLM‑B – RS‑422/RS‑232C communication cable (for MR Configurator)