Key Features:
Type: Ethernet Communication Module

Model: QJ71EIP71

Series: MELSEC Q Series

Network Communication:

Ethernet communication using TCP/IP and UDP protocols for high-speed and flexible data exchange

Supports peer-to-peer communication between PLCs, making it ideal for large distributed systems

Real-time Communication:

Capable of real-time data transfer and control, essential for applications requiring instantaneous communication and remote control

Supports cyclic and event-driven communication

Flexible Data Communication:

Ethernet communication with devices such as PCs, HMI panels, industrial equipment, and other PLCs

Capable of multicast communication for simultaneous data transmission to multiple devices

Modbus/TCP Support:

Supports Modbus/TCP protocol, enabling communication with devices and systems that follow the Modbus standard

Web Server Function:

Includes a built-in web server for easy configuration, status monitoring, and diagnostics via a standard web browser

Simple Configuration:

Easy to configure and manage through GX Works2/3 or GX Developer programming software

Configurations such as IP addresses, subnet masks, and gateway settings can be easily adjusted using the built-in web server or software tools

Security:

Provides password protection for secure access to module settings and configuration

Supports secure data transfer to protect sensitive information

Built-in Diagnostics:

Provides real-time status monitoring, error detection, and diagnostic tools to facilitate troubleshooting and system maintenance

Includes LED indicators for power, communication status, and error detection

Specifications / Parameters:
Communication Protocols:

TCP/IP (Transmission Control Protocol/Internet Protocol)

UDP (User Datagram Protocol)

Modbus/TCP (for Modbus network integration)

Communication Speed:

10 Mbps (10BASE-T)

100 Mbps (100BASE-TX)

Ethernet Port:

1 RJ45 Ethernet port for network connection

Auto-sensing for 10BASE-T or 100BASE-TX networks

Ethernet Configuration:

IP Address: Supports static or dynamic (DHCP) IP address assignment

Subnet Mask: Configurable for subnetting in complex networks

Gateway Settings: Configurable for network routing

Data Communication:

Cyclic Communication: For regular data exchange between devices

Event-driven Communication: For on-demand data exchange triggered by specific events

Supports Multicast Communication for simultaneous data transmission to multiple destinations

Operating Voltage:

Rated Voltage: 24 V DC ±10%

Power Consumption: Approx. 1.5 W

Environmental Durability:

Operating Temperature: -10°C to +55°C

Storage Temperature: -25°C to +70°C

Humidity: 20% to 85% RH (non-condensing)

Protection Class: IP20 (for indoor use)

Mounting:

Rack-mounted on MELSEC Q PLC racks

Dimensions:

Width: 45 mm

Height: 90 mm

Depth: 75 mm

Weight: Approx. 0.2 kg

Applications:
PLC Networking: Used to interconnect Mitsubishi MELSEC PLCs over Ethernet, enabling data exchange between PLCs across a local area network (LAN) or wide area network (WAN)

Industrial Automation Systems: Provides Ethernet communication between PLC-controlled machinery and other devices in industrial environments like robotics, machine tools, and production lines

Remote Monitoring and Control: Enables remote monitoring and data logging of industrial processes, machines, and sensors, facilitating preventive maintenance and system diagnostics

Factory and Building Automation: Connects automated systems like HVAC, lighting, and security to the central PLC for seamless control

Integration with SCADA Systems: Facilitates SCADA system integration, providing Ethernet connectivity between PLCs and supervisory control systems for real-time monitoring and control

Data Acquisition: Used for data collection in real-time from various sensors, meters, and actuators in fields such as process control, energy management, and environmental monitoring

Industrial IoT (IIoT): Plays a key role in integrating IIoT systems by allowing PLC-to-cloud communication over Ethernet for smart factory solutions