Mitsubishi MR-J3-700T-ED Servo Amplifier: Networked Power Drive

Powerful control with network flexibility. The Mitsubishi MR-J3-700T-ED is a 7.0kW servo amplifier offering dual communication via CC-Link and RS-422. It's built for reliable, high-power motion control in networked industrial systems.

Product Highlights

• Dual Network Options: Features both CC-Link and RS-422 interfaces for flexible system integration.
• High Power Output: 7.0 kW (7000W) capacity for driving large industrial servo motors.
• Precise Control: Sine wave PWM and current control ensure smooth, accurate motor operation.
• Integrated Safety: Built-in dynamic brake provides reliable stopping power.
• Stable Operation: Tolerates ±5% voltage fluctuation for consistent performance in variable power conditions.

Complete Technical Data

Brand: Mitsubishi Electric
Model: MR-J3-700T-ED
Series: MELSERVO-J3 Series AC Servo Amplifier
Rated Output Power: 7.0 kW (7000 Watts)
Rated Output Current: 37 A
Output Voltage: Three-phase 200 V AC
Main Circuit Power: Three-phase 200-230V AC, 50/60 Hz
Voltage Fluctuation Tolerance: ±5%
Control Circuit Power: Single-phase 200-230V AC, 50/60 Hz
Control Circuit Consumption: 45 W
Command Interface: CC-Link & RS-422
Control Method: Sine-wave PWM Control, Current Control Method
Brake System: Built-in Dynamic Brake
Operating Temperature: 0°C to +55°C (non-freezing)
Cooling Method: Forced Cooling (typical for this power rating)
Enclosure: Open Type (IP00)
Voltage Class: 200V

Installation & Communication Setup

Install the MR-J3-700T-ED in a ventilated control panel. Connect the three-phase 200-230V AC main power and the single-phase control power. Choose either the CC-Link network for distributed control or the RS-422 interface for point-to-point communication, based on your system architecture. Ensure the ambient temperature remains within the specified range. The drive will require adequate cooling, typically via an internal fan.

Expert FAQs

When should I use CC-Link vs. RS-422?
Use CC-Link to connect the drive as a node on a high-speed, multi-drop network with other devices. Use RS-422 for a simple, reliable direct connection to a single controller.

What does the "-ED" suffix indicate?
The "-ED" suffix often designates a specific variant, potentially indicating enhanced diagnostic capabilities, a particular connector type, or this specific dual-interface feature set.

Can this drive be used in a legacy system with only RS-422?
Yes, its RS-422 interface makes it backward compatible with systems designed for standard Mitsubishi servo communication.

Is this model suitable for a large CNC machine?
Absolutely. Its high power and network capabilities (especially CC-Link) make it well-suited for multi-axis CNC systems where coordination and data exchange are crucial.

How does the ±5% voltage tolerance help?
It allows the drive to maintain operation during minor grid voltage fluctuations, which are common in factories, preventing nuisance alarms or shutdowns.

Package & Warranty Details

Package Includes:
1 x MR-J3-700T-ED Servo Amplifier
1 x Instruction Manual

Warranty: Includes a standard 12-month warranty.

Shipping: Delivered globally via FedEx, UPS, and DHL.

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