Key Features & Specifications
1. Basic Specifications
Model: QJ71EIP71

Compatible PLC Series: MELSEC-Q Series (mounts on Q series base unit)

Network Protocol: EtherNet/IP™ (ODVA compliant)

Ports: 2x RJ45 (100BASE-TX, auto MDI/MDI-X)

Communication Speed: 100 Mbps (full-duplex)

Isolation: Transformer isolation (1500V AC for 1 min)

2. Communication Functions
Explicit Messaging:

Tag data access (read/write) with Allen-Bradley ControlLogix/CompactLogix

Supports CIP (Common Industrial Protocol)

Implicit Messaging (I/O Communication):

Cyclic data exchange (producer/consumer model)

Multi-vendor device integration

Number of Connections:

Up to 64 connections (32 TCP + 32 UDP)

Max 1024 words per connection

3. Data Exchange with Q Series PLC
Direct CPU buffer memory access

Device ranges supported:

Input (X), Output (Y), Internal Relay (M), Data Register (D)

Refresh settings configurable in GX Works2

4. Diagnostics & Configuration
Built-in diagnostics LEDs (RUN, ERR, LINK/ACT, etc.)

IP address setting:

BOOTP/DHCP or static IP

Configurable via GX Works2 or web browser

Web server function (for monitoring/module status)

5. Environmental & Mechanical Specs
Operating Temperature: 0°C to 55°C (32°F to 131°F)

Storage Temperature: -25°C to 75°C (-13°F to 167°F)

Vibration Resistance: 4.9 m/s² (10-55Hz)

Protection Rating: IP2X (must be installed in a control panel)