QJ71C24N-R2 | Mitsubishi RS-232 Communication Module For MELSEC Q Series Control Systems

Description 

The Mitsubishi QJ71C24N-R2 is an RS-232 communication module designed for MELSEC Q Series PLCs, supporting data transfer speeds up to 230400 bit/s. It operates on 5 V DC, includes dual communication channels, and features a compact, screw-mounted design for reliable integration into automation systems.

Technical Specifications

Information About QJ71C24N-R2 

The QJ71C24N-R2 is part of the Mitsubishi MELSEC Q Series module lineup and is designed to provide reliable RS-232 communication within industrial automation systems. Operating on a stable 5 V DC supply with a current rating of 0.26 A, it supports high-speed data transfer up to 230400 bit/s for efficient device-to-controller communication. Its compact 27.4 × 98 × 90 mm housing and lightweight 0.2 kg construction make it suitable for installations where panel space is limited. Featuring two RS-232 ports and two independent communication channels, the module integrates seamlessly with Q Series PLC frameworks to expand data exchange capabilities.

Key Features

• Dual RS-232 Communication Ports: provides two independent serial interfaces for connecting external devices such as barcode scanners, HMIs, sensors, PCs, or other controllers, enabling flexible communication architecture design.
• High-Speed Data Transmission: supports transfer speeds up to 230400 bit/s, allowing fast and efficient data exchange for real-time monitoring, diagnostics, and command processing.
• Two Communication Channels: enables simultaneous handling of separate communication tasks, improving throughput and reducing system bottlenecks in multi-device environments.
• Compact Installation Footprint: measures only 27.4 × 98 × 90 mm, allowing easy placement in systems with limited control cabinet space while maintaining full communication functionality.
• Optimized Power Requirements: operates using a stable 5 V DC supply at 0.26 A, ensuring low power consumption and reliable signal integrity across connected devices.
• Full MELSEC Q Series Compatibility: integrates seamlessly into existing Q Series racks, enabling unified communication and extended system scalability within Mitsubishi PLC platforms.
• Versatile Connection Interface: features a 40-pin connector supporting 32 I/O points, enabling flexible wiring and wider system configuration options.
• Secure Screw-Mount Attachment: ensures mechanical stability during operation, especially in industrial settings with vibration or movement.

The QJ71C24N-R2 delivers the reliability and precision required for structured RS-232 communication, synchronized device interaction, and efficient data handling within MELSEC Q Series automation environments.