Mitsubishi MR-J3-200A4-ETHERCAT: 2kW High-Performance EtherCAT Servo Drive

The Mitsubishi MR-J3-200A4-ETHERCAT is a high-performance 2 kW servo drive engineered for modern, networked motion control systems. Featuring a native EtherCAT interface, it delivers exceptional 900 Hz frequency response for dynamic applications. Designed for 380-480VAC three-phase power with integrated cooling and braking, this drive is the optimal choice for demanding single-axis automation requiring speed, precision, and seamless network integration.

Complete Product Overview

• Brand & Series: Mitsubishi MELSERVO MR-J3 Series
• Model Number: MR-J3-200A4-ETHERCAT
• Drive Type: Network AC Servo Drive (Single Axis)
• Key Feature: 2 kW output with high-speed EtherCAT interface & 900Hz response

Core Technical Specifications

• Rated Output Power: 2 kW
• Supply Voltage: 380 to 480 VAC, 3-Phase
• Control Network: EtherCAT (Copper)
• Speed Frequency Response: 900 Hz
• Control Method: Sine Wave PWM & Current Control
• Input Frequency: 50/60 Hz
• Cooling Method: Fan Cooling
• Braking Unit: Built-in Dynamic Brake
• Operating Temperature: 0°C to 55°C (non-freezing)
• Vibration Resistance: 5.9 m/s² or less
• Dimensions (W x H x D): 90 mm x 168 mm x 195 mm (3.54" x 6.61" x 7.68")
• Weight: 2.1 kg (4.63 lbs)

Key Features & Benefits

• Industry-Standard EtherCAT Network: Enables seamless, real-time communication with a wide range of PLCs and controllers (e.g., Beckhoff, B&R, Mitsubishi), simplifying multi-vendor system integration.
• Ultra-High-Speed Response: 900 Hz frequency response allows for extremely tight servo tuning, resulting in faster settling times, reduced following error, and superior performance in high-speed, high-accuracy applications.
• Robust Power & Thermal Design: 2 kW output drives demanding loads, while the fan cooling system ensures stable operation and thermal protection during continuous high-duty cycles.
• Integrated Safety & Control: The built-in dynamic brake provides reliable deceleration, and the general-purpose I/O allows for direct connection of sensors and switches.
• Compact Form Factor: Delivers high power density, saving valuable panel space in control cabinets.

Typical Applications

This drive excels in high-dynamics applications requiring networked control:

• Industrial robotics and delta pickers
• High-speed packaging and assembly machines
• CNC machine tool axes (feed drives)
• Printing and converting machinery
• Test and measurement equipment

Compatibility & System Integration

The MR-J3-200A4-ETHERCAT is designed to drive compatible 2 kW Mitsubishi servo motors (e.g., HC-SFS series). It connects directly to an EtherCAT master (like a TwinCAT PLC or a Mitsubishi iQ-R CPU with EtherCAT module) via standard RJ45 Ethernet cable, enabling centralized parameter management, diagnostics, and synchronized multi-axis control within the network.

Ordering & Service Information

This product is sold as new and original, in factory packaging. It is covered by a standard 12-month warranty. We ensure reliable global delivery via FedEx, UPS, and DHL.

Professional FAQs

What is the practical benefit of a 900 Hz frequency response?

It allows the drive to correct motor position errors 900 times per second. This results in much stiffer control, enabling the machine to maintain accuracy at higher speeds and resist disturbances from changing loads more effectively.

Can I use this drive on a 200VAC or 400VAC system?

No. This model is specifically designed for 380-480VAC three-phase input. For 200VAC systems, you would need a model from the "B" series (e.g., MR-J3-200B).

Does the built-in dynamic brake eliminate the need for an external resistor?

For many standard 2 kW applications, the internal brake circuit is sufficient. For high-inertia loads or cycles with very frequent braking, an external brake resistor may still be required to handle peak regenerative energy.

What software is used to configure the EtherCAT drive?

Two layers are involved: 1) MR Configurator (or similar Mitsubishi software) to set servo parameters. 2) The EtherCAT master's configuration tool (e.g., TwinCAT System Manager) to set up the network and map process data.

Is the EtherCAT cable included with the drive?

Typically, no. EtherCAT network cables are standard, shielded, twisted-pair Ethernet cables (CAT5e/CAT6), but they must be purchased separately based on your cabinet layout.

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