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Mitsubishi QJ71C24N Dual Serial Communication Module

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ManufacturerMitsubishi

Part numberQJ71C24N

Channels 2 (1x RS-232, 1x RS-422/485)

Speed 300 bps - 115.2 kbps

Communication Method Full-duplex (RS-232), Half/Full-duplex (RS-422/485)

Current Consumption 0.20 A at 5 VDC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Dual Serial Ports (RS-232 & RS-422/485) Supports up to 115.2 kbps Modem Functionality (RS-232) Full-Duplex Communication Compact MELSEC-Q Form Factor RoHS Compliant

Product description

The Mitsubishi QJ71C24N is a dual-channel serial communication module designed for the MELSEC-Q Series PLC. It provides one RS-232 port and one RS-422/485 port, enabling flexible device interfacing and robust connectivity for industrial and marine applications.

This module is ideal for applications requiring reliable serial data exchange, such as integrating with HMIs, barcode readers, printers, and other intelligent field devices. It supports asynchronous communication and modem functionality via the RS-232 port.

Stanlo Automation offers the Mitsubishi QJ71C24N, providing a reliable source for your industrial automation needs. As a veteran-owned surplus parts distributor, we are committed to delivering quality components and exceptional service.

Technical specifications

Channels	2 (1x RS-232, 1x RS-422/485)
Speed	300 bps - 115.2 kbps
Communication Method	Full-duplex (RS-232), Half/Full-duplex (RS-422/485)
Current Consumption	0.20 A at 5 VDC
Occupied I/O Points	32
Dimensions	27.4 x 98 x 90 mm

Common applications

Device Integration

SCADA Systems

Data Acquisition

Remote Monitoring

PLC Networking

Compatible systems

MELSEC-Q Series PLCs

Also known as

MELSEC-Q QJ71C24N Mitsubishi Serial Module QJ71C24N-R2

Replaces / compatible with

No specific replacement information found. Compatible with Mitsubishi MELSEC-Q Series.

Technical note

Expert tip

The QJ71C24N module occupies 32 I/O points per slot and offers flexible communication settings for various industrial devices.

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Frequently asked questions

What types of serial communication does the Mitsubishi QJ71C24N module support?

The Mitsubishi QJ71C24N module supports both RS-232 for point-to-point communication and RS-422/485 for multi-drop networking. It also supports asynchronous communication and can provide modem functionality through its RS-232 port.