Mitsubishi QJ71C24N-R4

Mitsubishi QJ71C24N-R4

Overview

The Mitsubishi QJ71C24N-R4 is a dual-channel serial communication module for the Q Series PLC platform. Supporting RS-232C, RS-422, and RS-485 interfaces, it enables high-speed, reliable serial data communication between Mitsubishi PLCs and external devices like barcode readers, HMIs, inverters, and other controllers.

Key Features

• 2 independent serial communication channels

• Supports RS-232C, RS-422, and RS-485 protocols

• High-speed data transfer up to 230.4 kbps

• Configurable settings per channel

• Compatible with MODBUS RTU/ASCII and non-protocol

• Built-in buffer memory for efficient data handling

• DIN-rail mount via Q Series rack

• Status LED indicators per channel

Technical Specifications

• Part Number: QJ71C24N-R4

• Manufacturer: Mitsubishi Electric

• Series: MELSEC Q Series

• Channels: 2 (independent)

• Communication Ports: RS-232C, RS-422, RS-485

• Baud Rate: 300 to 230.4 kbps

• Protocols Supported: MODBUS RTU, ASCII, non-protocol

• Power Supply: Supplied by base unit

• Installation: Q Series PLC rack-mount

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

• Storage Temperature: –25 °C to +75 °C

• Dimensions: Standard Q Series slot size

• Certifications: CE, UL, cUL

Applications

• Communication with HMIs, barcode scanners, and printers

• Integrating legacy RS-232/485 devices

• Inverter and drive control

• Serial data logging

• Remote I/O expansion and monitoring

Why Choose the QJ71C24N-R4

• Flexible communication with multiple serial standards

• Simple setup and integration into Q Series PLCs

• Reliable and stable data transmission

• Supports MODBUS and custom communication

• Trusted Mitsubishi performance and compatibility

Order Now

The Mitsubishi QJ71C24N-R4 serial communication module is available and ships worldwide.

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