Specifications

• Model Number: 1756-CNB
• Series: Allen-Bradley ControlLogix
• Product Type: Communication Module
• Function: Acts as a bridge between a ControlLogix rack and a ControlNet network.
• Features:
  • Single slot module
  • Integrated communication ports:
    • One BNC connector for non-redundant media operation
    • One NAP (RJ-45 8-pin with shield)
  • Supports 64 ControlNet connections
  • Single coaxial media
• Technical Specifications:
  • Communication Rate: 5 megabytes per second
  • Maximum Nodes: 99
  • Dimensions: [Please refer to the official product documentation for exact dimensions]
  • Weight: Approximately 0.51 lbs
• Applications:
  • Interfacing ControlLogix systems with ControlNet devices
  • Connecting various industrial automation devices on a ControlNet network
• Benefits:
  • Reliable and efficient communication between ControlLogix and ControlNet devices
  • Easy to install and configure
  • Supports a wide range of ControlNet devices

Key Features and Benefits

• Versatility: The 1756-CNB can be used in a variety of industrial automation applications.
• Reliability: Built to withstand harsh industrial environments.
• Compatibility: Works seamlessly with other Allen-Bradley products.
• Scalability: Supports up to 99 ControlNet nodes.
• Ease of use: Simple to install and configure.

Additional Notes

• Lifecycle Status: Please note that the 1756-CNB is an end-of-life product. Rockwell Automation has announced that as of December 31, 2024, this module will be discontinued and no longer available for sale.
• For more detailed specifications and information, please refer to the official Rockwell Automation product documentation or contact their technical support.

Summary

The Allen-Bradley 1756-CNB communication module is a versatile and reliable device used to connect ControlLogix systems to ControlNet networks. While it has reached its end-of-life, it remains a valuable component for many existing installations. Its key features include high-speed communication, scalability, and ease of use.

Please note that the specific dimensions of the module may vary slightly.

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