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Allen-Bradley 1756-EN4TR ControlLogix EtherNet/IP Communication Module

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Allen-Bradley 1756-EN4TR

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-EN4TR is a sophisticated ControlLogix EtherNet/IP communication module crafted for demanding industrial automation environments. This high-performance module provides rapid networking with versatile 10M/100M/1G speeds, guaranteeing smooth data exchange and real-time control. Featuring dual Ethernet ports, the 1756-EN4TR offers essential network redundancy and improved reliability through its support for Device Level Ring (DLR) and linear topologies. It is specifically optimized for critical CIP Motion applications, enabling accurate, real-time control for an impressive 256 motion axes. Additionally, its ability to handle up to 512 TCP/IP connections makes it an indispensable component for large-scale, intricate industrial systems requiring robust and efficient communication infrastructure.Key Features Dual-Port Gigabit EtherNet/IP Interface: Benefit from ultra-fast 10M/100M/1G network communication for superior data throughput. Extensive Connectivity: Supports up to 512 TCP/IP connections, enabling efficient and versatile industrial networking across your operations. Advanced Motion Control: Allows for precise control of up to 256 motion axes, ideal for complex automation and robotic applications. CIP Motion Optimized: Specifically designed for real-time motion control applications, ensuring remarkable accuracy and responsiveness. Integrated DLR and Linear Topologies: Embedded switch technology provides network redundancy and reliability through Device Level Ring and linear configurations. Seamless ControlLogix Integration: Ensures optimized industrial communication and effortless compatibility within your existing ControlLogix architecture. Technical Specifications Model: 1756-EN4TR Communication Protocol: EtherNet/IP Number of Ports: 2 (10M/100M/1G, Embedded Switch) Maximum TCP/IP Connections: 512 Supported Motion Axes: Up to 256 Network Topologies: Ring and Linear (Device Level Ring) Series: ControlLogix Applications Advanced Factory Automation: Delivers high-speed EtherNet/IP networking for industrial controllers, optimizing production lines and data flow. Robust Process Control Systems: Ensures stable and dependable Ethernet communication for critical industrial processes, minimizing downtime and maximizing efficiency. Precision Machine Interface Management: Enables seamless connectivity and real-time motion control for intricate machinery and automated systems. SCADA & Distributed I/O Systems: Supports robust industrial networking solutions for supervisory control and data acquisition, enhancing system-wide communication. Robotics and Motion Control: Perfect for applications requiring precise, multi-axis motion control and synchronous operation within a controlled environment. Logistics and Material Handling: Facilitates high-speed communication for automated warehouses, conveyor systems, and material flow management. Why Choose This Module? Unmatched Performance: Experience the power of gigabit networking combined with intelligent motion control capabilities, setting a new standard for industrial communication modules. Superior Reliability: With dual-port redundancy (DLR) and robust design, this module ensures continuous operation and minimizes potential network failures in critical applications. Future-Proof Your System: Designed for scalability and high demand, the 1756-EN4TR supports a vast number of connections and motion axes, ready for future expansion and advanced automation initiatives. Optimized for ControlLogix: Seamless integration into your existing ControlLogix architecture guarantees hassle-free setup, enhanced performance, and leveraged system capabilities. Trusted Allen-Bradley Quality: Benefit from the renowned reliability, durability, and support associated with Allen-Bradley industrial automation products, ensuring long-term operational excellence. Order NowUnlock superior industrial networking and motion control capabilities with the Allen-Bradley 1756-EN4TR.FAQWhat is the primary function of the Allen-Bradley 1756-EN4TR?The 1756-EN4TR is a ControlLogix EtherNet/IP communication module designed to provide high-speed networking and real-time motion control capabilities for industrial automation applications.How many motion axes can the 1756-EN4TR control?This module can precisely control up to 256 motion axes, making it suitable for complex automation and robotic systems.Does this module offer network redundancy?Yes, the 1756-EN4TR features dual Ethernet ports and supports Device Level Ring (DLR) and linear topologies to provide essential network redundancy and enhanced reliability.What network speeds does the 1756-EN4TR support?The module supports versatile 10M/100M/1G speeds for lightning-fast networking and seamless data exchange.Is this module compatible with existing ControlLogix systems?Absolutely. The 1756-EN4TR is designed for seamless integration within your existing ControlLogix architecture, ensuring optimized industrial communication and effortless compatibility.

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PRODUCT DETAILS

Allen-Bradley 1756-EN4TR

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1756-EN4TR
  • Communication Protocol: EtherNet/IP
  • Number of Ports: 2 (10M/100M/1G, Embedded Switch)
  • Maximum TCP/IP Connections: 512
  • Supported Motion Axes: Up to 256
  • Network Topologies: Ring and Linear (Device Level Ring)
  • Series: ControlLogix

Applications

  • Advanced Factory Automation: Delivers high-speed EtherNet/IP networking for industrial controllers, optimizing production lines and data flow.
  • Robust Process Control Systems: Ensures stable and dependable Ethernet communication for critical industrial processes, minimizing downtime and maximizing efficiency.
  • Precision Machine Interface Management: Enables seamless connectivity and real-time motion control for intricate machinery and automated systems.
  • SCADA & Distributed I/O Systems: Supports robust industrial networking solutions for supervisory control and data acquisition, enhancing system-wide communication.
  • Robotics and Motion Control: Perfect for applications requiring precise, multi-axis motion control and synchronous operation within a controlled environment.
  • Logistics and Material Handling: Facilitates high-speed communication for automated warehouses, conveyor systems, and material flow management.

Why Choose the 1756-EN4TR?

  • Unmatched Performance: Experience the power of gigabit networking combined with intelligent motion control capabilities, setting a new standard for industrial communication modules.
  • Superior Reliability: With dual-port redundancy (DLR) and robust design, this module ensures continuous operation and minimizes potential network failures in critical applications.
  • Future-Proof Your System: Designed for scalability and high demand, the 1756-EN4TR supports a vast number of connections and motion axes, ready for future expansion and advanced automation initiatives.
  • Optimized for ControlLogix: Seamless integration into your existing ControlLogix architecture guarantees hassle-free setup, enhanced performance, and leveraged system capabilities.
  • Trusted Allen-Bradley Quality: Benefit from the renowned reliability, durability, and support associated with Allen-Bradley industrial automation products, ensuring long-term operational excellence.

Availability & Shipping

  • In stock: 1756-EN4TR ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-EN4TR ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-EN4TR is a ControlLogix EtherNet/IP communication module designed to provide high-speed networking and real-time motion control capabilities for industrial automation applications.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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