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Allen-Bradley 1756-CN2R/D Controllogix CNET 2-Port Communication Module

Brand/Manufacturer: Allen-Bradley

Order Number: 1756-CN2R/D

Type: Communication Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

Technical Specifications

Parameter Specification
Model 1756-CN2R/D
Manufacturer Allen-Bradley
Category ControlLogix CNET 2-Port Communication Module
Communication Ports 2 Ethernet and ControlNet Ports
Protocol Supported Ethernet, ControlNet (CNET)
Data Transfer Rate 10/100 Mbps (Ethernet)
Mounting Type Plug-in for ControlLogix chassis
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -25°C to 85°C (-13°F to 185°F)
Dimensions (W x H x D) 4.56 x 4.47 x 3.4 inches (116 x 113.5 x 86.4 mm)
Weight 0.41 kg (0.9 lbs)
Status Indicators LED Indicators for Power, Network Activity, and Fault
Power Consumption 24V DC Power Supply
Certifications CE, UL, CSA

The Allen-Bradley 1756-CN2R/D is a high-performance 2-port communication module designed for ControlLogix systems. It provides robust communication between ControlLogix controllers and remote devices over Ethernet and CNET (ControlNet) networks. This module enables fast, reliable data transfer, allowing users to easily integrate and expand their industrial automation networks.

Advantages of the Allen-Bradley 1756-CN2R/D Communication Module

  1. Dual-Port Flexibility: With two independent communication ports, the 1756-CN2R/D allows for network redundancy and more reliable communication.

  2. Seamless Integration: Easily integrates with other ControlLogix controllers and devices, simplifying system design and implementation.

  3. Ethernet and ControlNet Support: Supports both Ethernet and CNET protocols, offering versatile communication options for diverse industrial applications.

  4. High-Speed Communication: Provides fast data transfer for time-sensitive industrial applications, enhancing operational efficiency.

  5. Rugged Industrial Design: Built for harsh industrial environments, ensuring long-lasting performance and reliability.

  • Focus on Benefits:

    We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.

  • Hard-to-Find & Obsolete Parts:

    We specialize in sourcing rare and discontinued industrial automation components that others can't deliver.

  • Large In-Stock Inventory:

    Thousands of genuine parts ready for immediate shipping — reduce downtime and keep operations running smoothly.

  • Fast Response · Global Delivery:

    Get a quote within hours. We ship worldwide with express options to meet urgent demands.

  • Original Products · 1-Year Warranty:

    All parts are factory-sealed and 100% original. Covered by a 1-year warranty and 30-day return support.

  • Why You Can Trust Us:

    We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.

  • DcsSupplier Limited

    Trusted by Global Clients

    Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.

  • DcsSupplier Limited

    Uptime Is Our Priority

    Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.

  • DcsSupplier Limited

    Experts in Sourcing Rare Parts

    Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.

  • DcsSupplier Limited

    One-Stop Automation Supply

    We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.

Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

- Michael Anderson