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Mitsubishi QJ71E71-100 MELSEC-Q Ethernet Communication Module for PLC Network Systems
| Place of Origin | Japan |
| Brand Name | Mitsubishi |
| Model Number | QJ71E71-100 |
Product Overview
Mitsubishi QJ71E71-100 is a MELSEC-Q series Ethernet communication module used in PLC network systems, factory automation networks, machine control cabinets, and industrial data communication applications. It allows a Q series PLC system to connect with Ethernet-based devices, supervisory systems, HMIs, engineering stations, data collection systems, and plant-level automation networks.
This model is one of the high-value MELSEC-Q communication modules because Ethernet communication is widely used in industrial control systems. For maintenance teams, QJ71E71-100 is commonly searched when an existing PLC network module fails, when communication with an HMI or SCADA system is interrupted, or when a Q series PLC system needs Ethernet communication replacement.
Main Features
- MELSEC-Q series Ethernet communication module
- Used for PLC network communication and industrial Ethernet integration
- Suitable for HMI, SCADA, engineering station, and plant network connection
- Common module for Q series PLC communication expansion and replacement
- Useful for factory maintenance, production line repair, and automation retrofit
Technical Specifications
| Model | QJ71E71-100 |
| Brand | Mitsubishi |
| Series | MELSEC-Q |
| Product Type | Ethernet Communication Module |
| Communication Type | Industrial Ethernet, confirm by project configuration |
| Application | PLC Network Communication and Data Exchange |
| System Use | Q Series PLC System and Industrial Ethernet Network |
| Replacement Check | Confirm IP address, network setting, firmware, wiring, and PLC parameter configuration |
Compatible System and Applications
QJ71E71-100 is used with MELSEC-Q CPU modules, base units, power supply modules, I/O modules, HMI panels, SCADA systems, engineering computers, data acquisition systems, and industrial Ethernet networks. It is suitable for production lines, packaging machinery, utility control systems, material handling equipment, process monitoring systems, and factory automation cabinets.
Maintenance and Replacement Notes
Before replacing QJ71E71-100, confirm the complete model number, IP address, network parameters, PLC project setting, Ethernet cable, switch condition, communication port status, and connected device configuration. Communication problems may also be caused by duplicate IP addresses, damaged cables, switch faults, parameter mismatch, or external device failure.
Related Models
Related models include QJ71E71-100, QJ71E71-B5, QJ71E71-B2, QJ71C24N, QJ71LP21-25, QJ71BR11, and QJ71DN91. These models may differ by network type, interface, protocol support, lifecycle status, and application environment.
Inquiry and Supply Notes
DF Automatic supplies Mitsubishi MELSEC-Q Ethernet modules, serial communication modules, CPU modules, I/O modules, analog modules, power supplies, base units, HMI panels, servo systems, inverter drives, and industrial automation spare parts for factory maintenance and PLC network repair.
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