Mitsubishi QJ71NT11B

Mitsubishi QJ71NT11B 

Overview

The Mitsubishi QJ71NT11B is a high-speed Ethernet communication module designed for MELSEC-Q series PLCs. It enables PLCs to connect reliably over 10/100 Mbps Ethernet networks, supporting seamless data exchange, remote diagnostics, and integration in modern industrial environments.

Key Features

• 10/100 Mbps Ethernet interface

• Supports Modbus TCP/IP, UDP, and QJ protocol

• RJ45 port for easy network connection

• Real-time data transfer and remote monitoring

• Housed in compact Q-series module format

• Compatible with GX Works3 programming environment

Technical Specifications

• Mitsubishi Code: QJ71NT11B

• Interface: 10Base-T/100Base-TX Ethernet

• Connector: Standard RJ45

• Protocols Supported: Modbus TCP/IP, UDP, QJ proprietary

• Data Transfer Rate: Up to 100 Mbps

• Mounting: Q-series PLC rack slot

• Operating Temperature: 0 °C to +55 °C

• Bus Power Supply: Provided from rack

Applications

• Factory network integration with MELSEC-Q PLCs

• Remote control and diagnostics over Ethernet

• SCADA and HMI communication

• Centralized data logging and monitoring systems

• High-speed data transfer in complex automation networks

Why Choose Mitsubishi QJ71NT11B?

• Enables robust and fast Ethernet connectivity for PLCs

• Supports essential industrial communication protocols

• Simplifies remote access and system integration

• Compact and easy to install in MELSEC-Q racks

• Backed by Mitsubishi’s support and software tools

Order Now

Upgrade your PLC network capabilities with the Mitsubishi QJ71NT11B — fast, reliable, and industrial-grade Ethernet connectivity designed for modern automation systems.

Return to the Mitsubishi MELSEC-Q 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