Mitsubishi QJ71MT91

Mitsubishi QJ71MT91 | MELSECNET/H Optical Loop Network Module – Q Series

Overview

The Mitsubishi QJ71MT91 is a MELSECNET/H network module designed for use with Q Series PLCs, offering optical loop-type communication for high-speed, noise-resistant data exchange in distributed control systems. It supports efficient real-time data transmission across multiple programmable controllers, HMIs, and field devices.

Key Features

• Network Type: MELSECNET/H (Optical loop)

• Max Stations: Up to 64 stations per network

• Transmission Speed: 25 Mbps

• Noise Resistance: High immunity via optical communication

• Topology: Loop configuration ensures fault tolerance

• Built-in Diagnostics: Communication and module status monitoring

Technical Specifications

• Model: QJ71MT91

• Series: MELSEC Q Series

• Communication Type: Optical fiber loop

• Max Transmission Distance: Up to 30 km (with repeaters)

• Fiber Type: Multimode fiber (62.5/125 µm)

• Connector Type: ST optical connectors

• Power Supply: 5V DC from base unit

• Ambient Temperature: 0°C to 55°C

• Mounting: Rack-mounted on Q Series base

• Weight: Approx. 0.25 kg (0.55 lbs)

• Certifications: CE, UL

Applications

• Distributed I/O control

• Factory-wide automation networks

• Data-intensive machine-to-machine systems

• High-speed supervisory control and monitoring

• Redundant network configurations

Why Choose the QJ71MT91?

• Fast Optical Communication: Enables real-time data processing

• Loop Redundancy: Maintains communication even with a single point failure

• Industrial-Grade Reliability: Built for harsh environments

• Flexible System Architecture: Supports wide-area control system designs

Order Now

The Mitsubishi QJ71MT91 MELSECNET/H network module is in stock and available for global delivery. Contact us now for pricing, stock status, or technical support.

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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