Configured for secure industrial network communication in ControlLogix EtherNet/IP systems, the Allen-Bradley 1756-EN2TSC (1756EN2TSC EtherNet/IP Communication Module) provides direct network interface execution for TCP/IP data exchange and secure access functions.

Model Configuration Overview

The 1756-EN2TSC is a ControlLogix communication module equipped with a single EtherNet/IP port and secure communication capability. The module provides Ethernet connectivity between ControlLogix controllers and industrial network devices while supporting TCP/IP connection management.

Hardware Specifications

ControlLogix EtherNet/IP Network Characteristics

The 1756-EN2TSC operates within the ControlLogix platform using EtherNet/IP communication architecture. It provides deterministic industrial Ethernet connectivity between controllers, programming systems, and network-connected devices.

The module supports EtherNet/IP network communication with a 10/100 Mbps Ethernet interface and manages up to 128 TCP/IP connections. Network configuration parameters, IP addressing, and communication settings are defined through the ControlLogix engineering environment.

The module follows Allen-Bradley industrial control architecture with firmware compatibility requirements between the communication module, ControlLogix controller, and connected network infrastructure. EtherNet/IP deterministic network performance depends on proper switch configuration, network topology, and traffic management.

Ordering Information

• 1 x Allen-Bradley 1756-EN2TSC ControlLogix EtherNet/IP Secure Communication Module
• 1 x Factory installed communication interface assembly
• 1 x Module identification label
• 1 x Standard hardware package

Field Installation Guidelines

Chassis Mounting

• Install the module in a compatible ControlLogix chassis slot.
• Verify chassis power capacity before installation.
• Confirm controller firmware and communication module revision compatibility.

Ethernet Network Connection

• Use industrial-grade Ethernet cabling suitable for the application environment.
• Separate Ethernet communication cables from high-voltage power wiring.
• Maintain proper shield grounding practices to reduce electrical interference.

Network Configuration

• Configure IP parameters according to the EtherNet/IP network design.
• Verify TCP/IP connection allocation before connecting multiple network devices.
• Check network diagnostics after commissioning to confirm communication status.

Frequently Asked Questions

• What is the main function of the 1756-EN2TSC module?

The module provides EtherNet/IP communication capability for ControlLogix systems with secure communication and VPN bridge functions.

• How many Ethernet ports does the module provide?

The 1756-EN2TSC is specified as a single-port EtherNet/IP communication module.

• What Ethernet communication speed is supported?

The module supports 10/100 Mbps Ethernet communication according to the provided specifications.

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

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

• Is the 1756-EN2TSC a ControlLogix processor?

No. It is a communication interface module installed in a ControlLogix chassis.

• Does the module require ControlLogix backplane communication?

Yes. The module communicates with ControlLogix controllers through the chassis backplane.

• What should be verified before firmware updates?

Firmware compatibility between the module, controller, and ControlLogix system configuration should be checked before updating.

• Can the module connect directly to industrial Ethernet networks?

Yes. The module provides an EtherNet/IP interface for connection to compatible industrial Ethernet networks.