Allen‑Bradley 1756‑EN2T ControlLogix EtherNet/IP Communication Module
1. Product Overview
The 1756‑EN2T is an EtherNet/IP communication bridge module for Automation ControlLogix PLC platform. It connects ControlLogix controllers to EtherNet/IP industrial network, realizing high-speed real-time data exchange. It supports maximum 256 Logix CIP Connections, enabling communication with remote distributed I/O, HMI, variable frequency drives, servo drives, other PLCs and industrial computers.
Core functions:
- ✅ Real-time control of remote EtherNet/IP I/O chassis
- ✅ Message routing across multi-layer industrial networks
- ✅ Data interaction between PLC, upper monitoring system and field devices
- ✅ Remote programming, monitoring and equipment diagnostics
2. Key Advantages & Core Features
- ✅ High Connection Capacity
Up to 256 CIP Logix Connections + 128 TCP/IP connections, supports large-scale distributed automation systems.
- ✅ EtherNet/IP Standard Protocol
10/100 Mbps auto-adaptive RJ45 Ethernet port, compatible with all EtherNet/IP compliant automation devices.
- ✅ Seamless ControlLogix Compatibility
Plug-and-play on 1756 series chassis, works with all ControlLogix 5570/5580 controllers.
- ✅ Industrial Grade Reliability
Wide operating temperature, strong anti-vibration & anti-shock performance, stable for harsh factory environments.
- ✅ Integrated Diagnostic LED Indicators
Built-in status LED for module health, network link and communication fault quick troubleshooting.
- ✅ Supports CIP Sync Time Synchronization
Provides precise clock synchronization for motion control and coordinated production lines.
3. Technical Specifications
| Item |
Parameter |
| Model |
1756‑EN2T |
| Series |
ControlLogix Communication Module |
| Communication Protocol |
EtherNet/IP, TCP/IP, CIP |
| Ethernet Port |
1 × RJ45 (Cat5), 10/100 Mbps auto-sensing |
| Max Logix CIP Connections |
256 |
| Max TCP/IP Connections |
128 |
| Backplane Current Draw |
1.0 A @ 5.1 V DC |
| Power Dissipation |
5.1 W |
| Operating Temperature |
0 °C ~ +60 °C |
| Relative Humidity |
5% ~ 95%, non-condensing |
| Shock Resistance |
30 G (operating / non-operating) |
| Vibration Resistance |
2 G |
| Mounting |
Install on 1756 series chassis (1756-A4/A7/A10/A13/A17) |
| Net Weight |
Approx. 0.36 kg |
4. Application Industries & Scenarios
Applicable Industries