Allen‑Bradley 1756-EN2TP – EtherNet/IP Communication Module

Specifications

• Communication Protocol: EtherNet/IP (CIP)
• Ethernet Ports: 2 × RJ45 10/100 Mbps auto-sensing
• Topology Support: Linear, star, DLR Device Level Ring for network redundancy
• Max CIP Connections: 128 standard connections
• Max I/O Connections: Supports large distributed I/O and drive/HMI devices
• Backplane Current Draw: 1100 mA @ 5.1 VDC
• Power Dissipation: 5.3 W
• Firmware Upgrade: Via USB port or EtherNet/IP network
• Status Indicators: Module OK, port link/activity, fault diagnostic LEDs
• Mounting: Single slot on all 1756 ControlLogix chassis
• Operating Temperature: 0 °C to +60 °C
• Humidity: 5%–95% RH, non-condensing
• Dimensions: 145 × 35 × 120 mm
• Weight: Approx. 0.27 kg
• Certifications: UL/cULus, CE, Class A industrial emissions

Key Features

• Dual RJ45 Ethernet ports enable DLR ring architecture to avoid single-point network failure
• High-speed EtherNet/IP interface connects ControlLogix CPU to remote I/O, drives, HMIs and other controllers
• Deterministic real-time data exchange for motion control, discrete and process automation
• Hot-swappable module for maintenance without powering down the entire chassis
• Built-in diagnostics simplify network fault location and troubleshooting
• Fully configured through Studio 5000 Logix Designer software
• Compatible with FLEX I/O, PowerFlex drives, PanelView HMIs and third-party EtherNet/IP devices
• Supports unicast, multicast I/O messaging and peer-to-peer controller communication

Applications

• Centralized ControlLogix systems connecting remote distributed I/O stations
• Multi-axis motion control, packaging, automotive assembly lines
• Factory-wide EtherNet/IP networking for HMIs, variable frequency drives and safety devices
• Process control, water treatment, material handling automation equipment