Mitsubishi MR-J2S-70B 750W AC Servo Drive for Industrial Automation

Description

The Mitsubishi MR-J2S-70B is a high-performance 750W AC Servo Drive (Servo Amplifier) belonging to Mitsubishi’s renowned MELSERVO-J2-Super series. It converts control commands into high-precision power outputs to drive matching 750W AC servo motors. Communicating via Mitsubishi’s high-speed motion controller network (SSCNET), the MR-J2S-70B ensures real-time synchronous execution across multiple automated axes.

In Bangladesh, factory automation systems require robust drives capable of operating smoothly under grid voltage fluctuations and demanding plant conditions. The MR-J2S-70B serves maintenance engineers and machine builders who need an ultra-reliable, high-response drive for textile machinery, packaging lines, CNC setups, and industrial robotics.

Key Features

• SSCNET Optical/Bus Interface: Enables high-speed, noise-immune communication with motion controllers.
• Sinusoidal PWM Current Control: Provides smooth torque output and suppresses high-frequency motor vibration.
• High-Speed Frequency Response: Delivers a speed frequency response of 550 Hz or higher for rapid dynamic handling.
• Integrated Dynamic Braking: Rapidly decelerates the motor during alarms or emergency stops to avoid mechanical collisions.
• Real-time Auto-tuning: Automatically adjusts gain parameters based on load inertia, reducing setup time.
• Compact Footprint: Saves valuable control box panel space in dense industrial enclosures.

Technical Advantages

• High Efficiency: Sinusoidal PWM control minimizes energy losses, reducing heat build-up inside control panels.
• Durable Construction: Heavy-duty Japanese electronics engineered for long continuous duty cycles in harsh environments.
• Safety Protection: Integrated hardware protection against overcurrent, overvoltage, motor overload, and regenerative faults.
• Energy Saving: Optimized energy flow and dynamic braking optimize power consumption during rapid start-stop cycles.
• Easy Maintenance: Clear status diagnostics and parameter retention ease troubleshooting for plant technicians.

Applications

• Industrial: Automated packaging machinery, labeling units, and material handling conveyors.
• Factory: Textile spinning, weaving machinery, garment automation, and CNC cutting tables.
• Commercial: Printing presses, automated paper processing, and industrial door drives.
• Project Installation: Custom automation panel building and motion control upgrades across Bangladeshi plants.

Why Choose This Product?

• Reliability: Built by Mitsubishi Electric, a world leader in industrial motion systems known for low failure rates.
• Performance: Exceptional motion response eliminates positional drift and maintains consistent product output quality.
• Cost Effectiveness: Reduces downtime losses through long operational service life and minimal maintenance overhead.
• After-Sales Value: Widely supported in Bangladesh with ready access to compatible cables, motors, and technical expertise.

Technical Specification Table

Features List

✓ High efficiency sinusoidal PWM operation

✓ Advanced overcurrent and thermal protection

✓ Long operational service life with durable capacitors

✓ Easy panel installation and compact design

✓ Low energy consumption and low thermal radiation

Benefits For Customers

• Reduces Electricity Cost: Efficient power management minimizes thermal losses and operational power draw.
• Improves Operational Reliability: Prevents machine downtime caused by erratic motion or control faults.
• Saves Maintenance Cost: Rugged Japanese construction minimizes component wear and emergency repairs.
• Suitable for Bangladesh Environment: Designed to operate stably at ambient panel temperatures up to 55°C.

Installation & Maintenance Guide

Installation Requirements:

1. Mount the drive vertically inside a clean, well-ventilated IP54-rated enclosure.
2. Maintain a minimum clearance of 10 cm above and below the drive unit for adequate thermal airflow.
3. Use proper grounding (PE) wire connected to the main panel ground block to prevent electric shock and electrical noise.
4. Secure SSCNET communication cables away from high-voltage motor power wiring to avoid electromagnetic interference.

Maintenance Tips:

1. Regularly inspect cooling fins and clean dust buildup using dry compressed air.
2. Periodically check terminal block screws to ensure power wires remain tight.
3. Verify cabinet cooling fan functionality during routine plant shutdown maintenance.

Safety Instructions:

1. Disconnect all AC power sources and wait at least 10–15 minutes before touching terminals or wiring.
2. Always verify that the charge light is completely off before opening protective covers.
3. Ensure only trained automation engineers perform wiring, setup, and parameter configuration.

Frequently Asked Questions (FAQ)

Q: What is the price of MR-J2S-70B Mitsubishi 750W AC Servo Drive in Bangladesh?

A: The price of the MR-J2S-70B in Bangladesh varies based on stock availability and import rates. Please check loopshop.com.bd or contact our support team for current pricing and quotes.

Q: Where can I buy original MR-J2S-70B Mitsubishi 750W AC Servo Drive in Bangladesh?

A: You can purchase genuine Mitsubishi MR-J2S-70B servo drives directly online from loopshop.com.bd with fast delivery across Bangladesh.

Q: What warranty does this product have?

A: Warranty terms depend on store policy and product condition (new surplus or tested). Contact loopshop.com.bd customer care for specific warranty details.

Q: Is the MR-J2S-70B suitable for the Bangladesh climate?

A: Yes, it is rated for ambient operating temperatures up to 55°C, making it reliable for hot tropical panel environments in Bangladesh when properly ventilated.

Q: How to install this product?

A: Install the drive vertically inside a control panel, wire the 200–230V AC supply, connect PE grounding, attach the motor power/encoder cables, and connect the SSCNET bus interface.

Q: What motor capacity does the MR-J2S-70B support?

A: It is designed to control 750W (0.75 kW) Mitsubishi HC-KFS, HC-MFS, or HC-SFS series AC servo motors.

Q: Can I run this drive on a single-phase power supply?

A: Yes, the MR-J2S-70B can operate on single-phase 230V AC by connecting to power terminals L1 and L2 (leaving L3 open).

Q: What communication protocol does the MR-J2S-70B use?

A: It uses Mitsubishi’s SSCNET (Servo System Controller Network) high-speed bus communication for multi-axis motion control.

Q: What is the main difference between MR-J2S-70A and MR-J2S-70B?

A: The ‘A’ model uses pulse train/analog voltage inputs, whereas the ‘B’ model uses SSCNET bus communication for centralized motion controllers.

Q: How do I troubleshoot fault alarms on the MR-J2S-70B?

A: The front 7-segment LED display indicates specific error codes. Refer to the Mitsubishi manual or contact loopshop.com.bd for technical support.