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Allen-Bradley 1756-RMC3 fiber optic cable for ControlLogix redundancy systems

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Allen-Bradley 1756-RMC3

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-RMC3 is a vital three-meter fiber optic cable designed to deliver strong and dependable communication within ControlLogix redundancy arrangements. This cable is crucial for sustaining continuous functionality in demanding industrial environments, integrating smoothly with redundancy modules such as the 1756-RM, 1756-RM2, 1756-RMXT, and 1756-RM2XT. Its fiber optic construction ensures high data transfer speeds and exceptional resistance to electromagnetic interference (EMI) and radio frequency interference (RFI), maintaining signal integrity where it matters most. Selecting the 1756-RMC3 helps keep your redundant processors perfectly synchronized, allowing for quick and resilient switchovers, ultimately minimizing interruptions and maximizing system availability.Key Features Optimal 3-Meter Length: Offers a standard, convenient connection for ControlLogix redundancy modules, allowing for adaptable installation. Dedicated ControlLogix Integration: Engineered specifically for 1756-RM, 1756-RM2, 1756-RMXT, and 1756-RM2XT redundancy modules for assured performance. Superior EMI/RFI Protection: Fiber optic technology completely eliminates vulnerability to electrical noise, guaranteeing pristine signal quality in challenging industrial settings. High-Bandwidth Communication: Supports the significant data rates essential for rapid synchronization and effective communication between redundant processors. Robust Industrial Construction: Built to endure the demands of industrial settings, providing enduring reliability and consistent performance. Essential for Fault Tolerance: A critical component for systems requiring high availability and uninterrupted operation, protecting against processor malfunctions. Technical Specifications Catalog Number: 1756-RMC3 Cable Type: Fiber Optic Length: 3 meters (9.84 feet) Compatibility: Allen-Bradley ControlLogix 1756-RM, 1756-RM2, 1756-RMXT, 1756-RM2XT Redundancy Modules Interference Immunity: Electromagnetic Interference (EMI), Radio Frequency Interference (RFI) Application: ControlLogix Redundant Systems Applications Mission-critical industrial automation systems requiring continuous operation. ControlLogix redundant controller architectures in manufacturing and process control. Environments with elevated levels of electrical noise or electromagnetic interference. Applications where fault tolerance and high availability are imperative. Data centers and facilities demanding robust, uninterrupted communication paths. Any industrial setup utilizing ControlLogix redundancy for enhanced system reliability. Why Choose This Model? Unmatched Reliability: The 1756-RMC3 is developed by Allen-Bradley, a leader in industrial automation, ensuring top-quality and dependable operation. Enhanced System Uptime: By facilitating seamless redundancy, this cable is crucial in preventing expensive downtime and maintaining operational continuity. Optimized Performance: Its fiber optic construction guarantees clear signal transmission, vital for the precise synchronization of redundant processors. Future-Proof Connectivity: High bandwidth capabilities ensure the cable can manage increasing data demands without compromising performance. Simplified Integration: Designed specifically for ControlLogix redundancy modules, it offers straightforward installation and compatibility with your existing setup. Order NowBoost the reliability and performance of your ControlLogix redundant system with the Allen-Bradley 1756-RMC3 fiber optic cable. Ensure uninterrupted communication, superior noise immunity, and guaranteed fault tolerance for your critical operations. This essential component is immediately available for shipment from DD Parts Solution.FAQWhat is the primary function of the Allen-Bradley 1756-RMC3 cable?The main purpose of the 1756-RMC3 cable is to provide reliable fiber optic communication within ControlLogix redundancy systems, ensuring continuous operation and synchronization between redundant processors.What modules is the 1756-RMC3 compatible with?This cable is specifically designed for compatibility with Allen-Bradley ControlLogix redundancy modules, including the 1756-RM, 1756-RM2, 1756-RMXT, and 1756-RM2XT.How does the 1756-RMC3 contribute to system reliability?Its fiber optic design offers superior immunity to electromagnetic and radio frequency interference, ensuring pristine signal quality and enabling swift, fault-tolerant switchovers between redundant processors, thus minimizing downtime.What is the length of the 1756-RMC3 cable?The 1756-RMC3 cable has a length of 3 meters, which is approximately 9.84 feet.Can this cable be used in environments with high electrical noise?Yes, due to its fiber optic technology, the 1756-RMC3 completely eliminates susceptibility to electrical noise, making it ideal for challenging industrial environments with high levels of EMI/RFI.

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PRODUCT DETAILS

Allen-Bradley 1756-RMC3

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

  • Catalog Number: 1756-RMC3
  • Cable Type: Fiber Optic
  • Length: 3 meters (9.84 feet)
  • Compatibility: Allen-Bradley ControlLogix 1756-RM, 1756-RM2, 1756-RMXT, 1756-RM2XT Redundancy Modules
  • Interference Immunity: Electromagnetic Interference (EMI), Radio Frequency Interference (RFI)
  • Application: ControlLogix Redundant Systems

Applications

  • Mission-critical industrial automation systems requiring continuous operation.
  • ControlLogix redundant controller architectures in manufacturing and process control.
  • Environments with elevated levels of electrical noise or electromagnetic interference.
  • Applications where fault tolerance and high availability are imperative.
  • Data centers and facilities demanding robust, uninterrupted communication paths.
  • Any industrial setup utilizing ControlLogix redundancy for enhanced system reliability.

Why Choose the 1756-RMC3?

  • Unmatched Reliability: The 1756-RMC3 is developed by Allen-Bradley, a leader in industrial automation, ensuring top-quality and dependable operation.
  • Enhanced System Uptime: By facilitating seamless redundancy, this cable is crucial in preventing expensive downtime and maintaining operational continuity.
  • Optimized Performance: Its fiber optic construction guarantees clear signal transmission, vital for the precise synchronization of redundant processors.
  • Future-Proof Connectivity: High bandwidth capabilities ensure the cable can manage increasing data demands without compromising performance.
  • Simplified Integration: Designed specifically for ControlLogix redundancy modules, it offers straightforward installation and compatibility with your existing setup.

Availability & Shipping

  • In stock: 1756-RMC3 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-RMC3 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The main purpose of the 1756-RMC3 cable is to provide reliable fiber optic communication within ControlLogix redundancy systems, ensuring continuous operation and synchronization between redundant processors.

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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