Mitsubishi QJ71C24N-R2

Mitsubishi QJ71C24N-R2 | 2-Channel Serial Communication Module for MELSEC-Q Series

Overview

The Mitsubishi QJ71C24N-R2 is a 2-channel serial communication module designed for MELSEC-Q Series PLCs, offering support for RS-232C, RS-422, and RS-485 protocols. It enables seamless communication with a wide range of serial devices, including barcode scanners, HMIs, temperature controllers, and remote I/O units.

Key Features

• Number of Channels: 2

• Supported Protocols: RS-232C, RS-422, RS-485

• Communication Speed: Up to 230.4 kbps

• Transmission Format: Start bit, data bit, parity, stop bit (configurable)

• Buffer Memory: 13,440 bytes per module

• Isolation: Optical isolation between communication and internal circuits

• Multi-Drop Support: Connect multiple devices in one channel

Technical Specifications

• Model: QJ71C24N-R2

• Series: MELSEC-Q

• Power Supply: From PLC backplane

• Dimensions: Standard Q Series module size

• Mounting: Base unit slot

• Operating Temperature: 0°C to 55°C

• Weight: Approx. 0.2 kg (0.44 lbs)

• Certifications: CE, UL, cUL

Applications

• Barcode scanner integration

• Temperature controller communication

• Serial-based HMI panels

• Remote device interfacing

• Legacy equipment communication

Why Choose the QJ71C24N-R2?

• Multi-Protocol Capability: Interfaces with nearly any serial device

• Flexible Setup: Dual-channel design with configurable parameters

• Easy Integration: Seamlessly fits into MELSEC-Q PLC systems

• Industrial Reliability: Stable performance in mission-critical environments

Order Now

The Mitsubishi QJ71C24N-R2 serial module is in stock and available.

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