Product Description
The Allen-Bradley 1756-CNBRK is a ruggedized (conformal-coated) ControlNet interface module designed for demanding, real-time applications requiring high data throughput. As part of the 1756 ControlLogix series, it leverages CIP to integrate I/O and peer-to-peer networking, delivering optimal performance for both. Supporting 40-48 ControlNet connections, this redundant module operates at 5 Mbps and accommodates up to 99 nodes and 64 connections. It features specific power consumption and isolation voltage ratings, can be installed in any ControlLogix chassis slot (with redundant modules placed in matching slots), and includes ControlNet BNC and NAP RJ45 ports, ensuring compatibility with various ControlLogix chassis and power supplies.
Is Your Device Showing These Signs?
The Allen Bradley 1756-CNBRK ControlNet bridge module commonly experiences issues such as communication faults stemming from incorrect network configuration, node address conflicts, or corrupted EDS files. Backplane connectivity problems, often due to a damaged connector or faulty chassis, prevent proper module initialization and data exchange. Firmware corruption during upgrades or power fluctuations necessitates a forced firmware update or module replacement. Resolving these issues involves verifying network settings, updating firmware, inspecting backplane connections, and ensuring proper termination and grounding to maintain network integrity and prevent data loss.
Technical specifications
The Allen-Bradley 1756-CNBRK is a robust, conformal-coated ControlNet interface module for ControlLogix systems. It provides high-speed, real-time communication using CIP for I/O and peer-to-peer networking. It supports 40-48 ControlNet connections, operates at 5 Mbps, and handles up to 99 nodes and 64 connections. The module is designed for redundancy, can be installed in any ControlLogix chassis slot, and includes ControlNet BNC and NAP RJ45 ports.
Our Repair Process for the
1756-CNBRK
Our repair process for the Allen Bradley 1756-CNBRK ControlNet bridge module begins with a thorough verification of network settings to eliminate communication faults, followed by an inspection for node address conflicts and corrupted EDS files, which are corrected immediately. Backplane connectivity is then assessed for damage to connectors or chassis faults, with repairs or replacements performed as needed to ensure proper module initialization. If firmware corruption is suspected due to failed upgrades or power fluctuations, a forced firmware update is executed; module replacement occurs if the update fails. The process concludes with a comprehensive check of network termination and grounding to guarantee network integrity and prevent data loss.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY