Configured for EtherNet/IP data exchange in ControlLogix platforms, the Allen-Bradley 1756-EN2TXT (1756-EN2TXT EtherNet/IP Bridge Module) provides direct network communication execution for Logix XT extreme environment applications.

Model Identification

The 1756-EN2TXT is a ControlLogix EtherNet/IP communication module designed for Ethernet-based data transfer between Logix controllers, I/O systems, and external network devices. The module supports 10/100 Mbps Ethernet communication and up to 128 TCP/IP connections.

Hardware Specifications

EtherNet/IP Network Communication

The 1756-EN2TXT uses EtherNet/IP protocol communication within the ControlLogix architecture. The module manages Ethernet-based messaging between Logix processors, remote I/O adapters, and connected industrial devices.

EtherNet/IP deterministic networks require proper switch configuration, network addressing, and cable installation practices. The module supports standard industrial Ethernet communication methods for controller-to-controller and controller-to-device data exchange.

Ordering Information

• 1 x Allen-Bradley 1756-EN2TXT Logix XT EtherNet/IP Bridge Module
• 1 x Installed communication interface assembly
• Compatible terminal accessories are not included unless specified separately
• User application requires compatible ControlLogix chassis and power supply

Field Installation Guidelines

Mechanical Installation

• Install the module in a compatible ControlLogix chassis slot.
• Verify chassis power is removed before module insertion or removal.
• Confirm the module locking mechanism is fully engaged after installation.

Network Connection

• Use industrial Ethernet cabling suitable for the installation environment.
• Maintain proper cable separation from high-voltage power conductors.
• Verify Ethernet addressing and network parameters before commissioning.

Control System Integration

• Confirm controller firmware compatibility before system operation.
• Configure EtherNet/IP communication parameters using compatible engineering software.
• Check communication status indicators after startup.

Frequently Asked Questions

• What communication protocol does the 1756-EN2TXT support?

The module supports EtherNet/IP communication for ControlLogix systems, allowing Ethernet-based controller and device data exchange.

• What Ethernet speed is available on this module?

The 1756-EN2TXT supports 10/100 Mbps Ethernet communication for industrial network connections.

• How many TCP/IP connections can the module handle?

The module supports up to 128 TCP/IP connections for network communication tasks.

• Is the 1756-EN2TXT designed for extreme environments?

Yes. The XT designation indicates the module is intended for extended environmental operating conditions compared with standard modules.

• Can this module operate as a standalone Ethernet device?

No. The module requires installation in a compatible ControlLogix chassis with proper backplane communication.

• What installation precautions are required?

Power should be removed before installation or removal, and Ethernet wiring should follow industrial grounding and routing practices.

• Does this module require firmware compatibility checks?

Yes. The module firmware must be compatible with the ControlLogix controller and engineering software environment.

• What is the enclosure type of the module?

The module uses an open enclosure design and must be installed inside an appropriate ControlLogix system enclosure.