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LJ51AW12D2

The LJ51AW12D2 is a high-performance CC-Link IE Field Network module designed for Mitsubishi Q Series PLCs, providing dual-port gigabit Ethernet switching (1000BASE-T) with seamless integration into industrial automation networks. This module enables real-time deterministic communication for large-scale control systems.

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Key Features
✔ High-Speed Industrial Networking

Dual 1000BASE-T ports (RJ45, auto MDI/MDI-X)

CC-Link IE Field compliant (Layer 2)

Deterministic communication: ≤1ms cycle time

✔ Advanced Switching Capabilities

IEEE 802.1Q VLAN support

QoS prioritization (IEEE 802.1p)

RSTP/STP for network redundancy

✔ Industrial Reliability

Operating temperature: 0–55°C

Vibration resistant: 5.9m/s² (IEC 61131-2)

IP20 protection

✔ Q Series Integration

Plug-and-play with Q06H/Q13UDEHCPU and later

GX Works2/Works3 configurable

LED indicators (link/activity, errors)

✔ Diagnostics & Security

Port mirroring for traffic analysis

MAC address filtering

Packet error statistics

Technical Specifications
Parameter Specification
Protocol CC-Link IE Field
Data Rate 10/100/1000Mbps (auto-negotiation)
Latency <4µs (store-and-forward)
Power Consumption 2.8W (max)
Dimensions 27.6mm (W) × 98mm (H) × 60mm (D)
Typical Applications
Multi-PLC synchronization in automotive plants

High-speed motion control networks

Large-scale process automation

Digital manufacturing (Industry 4.0)