Mitsubishi RJ71EN71

Mitsubishi RJ71EN71 | Dual-Port Ethernet Communication Module for MELSEC iQ-R Series

Overview

The Mitsubishi RJ71EN71 is a dual-port Ethernet communication module designed for the MELSEC iQ-R Series programmable logic controllers (PLCs). It enables high-speed, deterministic communication over Ethernet networks using protocols like CC-Link IE Field, SLMP, SNTP, and MC protocol. Ideal for advanced industrial networks and system integration, it provides flexible configuration and powerful diagnostics for seamless automation.

Key Features

• Number of Ports: 2 (RJ45)

• Protocols Supported:

  • CC-Link IE Field Network Basic

  • SLMP (Seamless Message Protocol)

  • MC Protocol

  • SNTP (for time synchronization)

• Max Number of Connections:

  • 64 (SLMP)

  • 16 (MC protocol)

• IP Configuration: Static or DHCP

• Network Isolation: Transformer isolated Ethernet ports

• Diagnostics: Built-in web server for status monitoring and configuration

• Communication Speed: 10/100 Mbps (auto negotiation)

Technical Specifications

• Model: RJ71EN71

• Series: MELSEC iQ-R

• Power Supply: 5V DC (from base unit)

• Current Consumption: 0.38 A

• Dimensions (W × H × D): 27.8 × 106 × 110 mm

• Weight: Approx. 0.18 kg

• Operating Temperature: 0°C to 55°C

• Storage Temperature: -25°C to 75°C

• Certifications: CE, UL, cUL, UKCA, EAC

• Environmental Compliance: RoHS compliant

Applications

• High-speed communication in factory automation

• Time-synchronized control systems

• PLC-to-PLC or PLC-to-HMI communication

• Data acquisition and SCADA integration

• Remote diagnostics and monitoring

Why Choose the RJ71EN71?

• Dual-Port Design: Supports line and star topologies

• Advanced Protocols: Works with multiple Ethernet-based communication standards

• Built-In Diagnostics: Web-based monitoring and troubleshooting

• Easy Integration: Seamless connection with iQ-R PLC systems

• Secure & Scalable: Ideal for modern industrial networks

Order Now

The Mitsubishi RJ71EN71 Ethernet communication module is available for global shipping. 

Return to the Mitsubishi MELSEC iQ-R Series collection for more options in this family.

Explore our full range of Mitsubishi MELSEC Programmable Controllers (PLC) to discover scalable automation solutions, from legacy MELSEC systems to next-generation PLCs designed for high performance, connectivity, and flexibility.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply