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Mitsubishi QJ71E71-100
by Mitsubishi Electric
Read verified buyer reviews ↓OverviewUpgrade your industrial automation network with the Mitsubishi QJ71E71-100 Ethernet Communication Module, purpose-built for MELSEC-Q Series Programmable Logic Controllers (PLCs). This robust module delivers high-speed 10/100 Mbps Ethernet connectivity, ensuring quick and dependable data exchange within demanding factory settings. Featuring a standard RJ45 port and support for TCP/IP and UDP/IP protocols, the QJ71E71-100 facilitates smooth communication between your MELSEC-Q PLCs and other network devices. Its integration boosts system performance, streamlines data acquisition, and supports advanced control strategies, making it essential for critical industrial applications.Key Features High-Speed Connectivity: Attain rapid data transfer rates of 10/100 Mbps Ethernet, with auto-negotiation for peak efficiency. Versatile Protocol Support: Compatible with key industrial protocols, including TCP/IP and UDP/IP, ensuring broad interoperability. Standard RJ45 Interface: Employs a widely used RJ45 port for straightforward and secure network connections. Extensive Station Capacity: Accommodates up to 256 stations per network, allowing for scalable system designs. Flexible Transmission Modes: Operates in both full and half duplex modes to suit diverse network needs. Integrated Diagnostics: Features built-in LED indicators for real-time status monitoring, aiding in troubleshooting. Advanced Data Handling: Fully supports MC protocol and MELSOFT applications, enabling robust data management and programming. Technical Specifications Model: QJ71E71-100 Series: MELSEC-Q Power Supply Voltage: Directly provided by the MELSEC-Q base unit, simplifying wiring. Current Consumption: Efficient operation with a current draw of 0.33A at 5V DC. Dimensions: Maintains the compact size of standard Q-series modules for seamless integration. Mounting: Easily mounts into any standard MELSEC-Q series base unit. Operating Temperature: Engineered for reliability in industrial environments, with a range of 0°C to 55°C. Weight: Lightweight at approximately 0.2 kg (0.44 lbs). Certifications: Adheres to international standards, including CE and UL, ensuring safety and quality. ApplicationsThe Mitsubishi QJ71E71-100 Ethernet Communication Module is highly adaptable and suited for a wide range of industrial uses: PLC-to-PLC Communication: Enables reliable and high-speed data exchange between multiple MELSEC-Q PLCs in distributed control systems. Remote Monitoring Systems: Provides real-time access to critical process data from remote locations, improving operational visibility. SCADA and MES Integration: Forms a vital link for integrating MELSEC-Q PLCs with Supervisory Control and Data Acquisition (SCADA) and Manufacturing Execution Systems (MES) for comprehensive plant management. Data Acquisition and Logging: Supports efficient collection and logging of operational data for analysis, process optimization, and regulatory compliance. Machine-to-Machine Communication (M2M): Powers direct communication between machinery, fostering greater automation and efficiency in interconnected manufacturing environments. Why Choose This Model?The QJ71E71-100 offers compelling advantages for enhancing your MELSEC-Q PLC systems: Robust and Reliable Ethernet Interface: Guarantees high-speed, stable, and secure communication, reducing downtime and boosting productivity. Exceptional Compatibility: Designed for seamless integration with MELSEC-Q PLCs and fully compatible with Mitsubishi's MELSOFT software suite. Order NowContact Palm Parts Solution today to integrate the Mitsubishi QJ71E71-100 Ethernet Communication Module into your industrial setup.FAQWhat types of PLCs is the QJ71E71-100 compatible with?The QJ71E71-100 is engineered for seamless integration with Mitsubishi MELSEC-Q Series Programmable Logic Controllers.What network speeds does this module support?This module supports high-speed 10/100 Mbps Ethernet connectivity, with auto-negotiation for optimal performance.Does the QJ71E71-100 support standard industrial communication protocols?Yes, it supports essential industrial protocols including TCP/IP and UDP/IP, ensuring broad interoperability.
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Mitsubishi QJ71E71-100
Overview
This is a genuine Mitsubishi Electric component from the MELSEC PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Mitsubishi Electric catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Mitsubishi Electric automation ecosystem
- Engineered to integrate inside MELSEC PLCs installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Mitsubishi Electric equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Mitsubishi Electric catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Mitsubishi Electric platform with documented conversion notes for the MELSEC PLCs family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: QJ71E71-100
- Series: MELSEC-Q
- Power Supply Voltage: Directly provided by the MELSEC-Q base unit, simplifying wiring.
- Current Consumption: Efficient operation with a current draw of 0.33A at 5V DC.
- Dimensions: Maintains the compact size of standard Q-series modules for seamless integration.
- Mounting: Easily mounts into any standard MELSEC-Q series base unit.
- Operating Temperature: Engineered for reliability in industrial environments, with a range of 0°C to 55°C.
- Weight: Lightweight at approximately 0.2 kg (0.44 lbs).
- Certifications: Adheres to international standards, including CE and UL, ensuring safety and quality.
Applications
The Mitsubishi QJ71E71-100 Ethernet Communication Module is highly adaptable and suited for a wide range of industrial uses:
- PLC-to-PLC Communication: Enables reliable and high-speed data exchange between multiple MELSEC-Q PLCs in distributed control systems.
- Remote Monitoring Systems: Provides real-time access to critical process data from remote locations, improving operational visibility.
- SCADA and MES Integration: Forms a vital link for integrating MELSEC-Q PLCs with Supervisory Control and Data Acquisition (SCADA) and Manufacturing Execution Systems (MES) for comprehensive plant management.
- Data Acquisition and Logging: Supports efficient collection and logging of operational data for analysis, process optimization, and regulatory compliance.
- Machine-to-Machine Communication (M2M): Powers direct communication between machinery, fostering greater automation and efficiency in interconnected manufacturing environments.
Why Choose the QJ71E71-100?
The QJ71E71-100 offers compelling advantages for enhancing your MELSEC-Q PLC systems:
- Robust and Reliable Ethernet Interface: Guarantees high-speed, stable, and secure communication, reducing downtime and boosting productivity.
- Exceptional Compatibility: Designed for seamless integration with MELSEC-Q PLCs and fully compatible with Mitsubishi's MELSOFT software suite.
Availability & Shipping
- ▸In stock: QJ71E71-100 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every QJ71E71-100 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Mitsubishi Electric
Machine down? We ship parts the same day.
New, surplus, and refurbished Mitsubishi Electric inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.