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Allen-Bradley 1756-RM2K ControlLogix Redundancy Module

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Allen-Bradley 1756-RM2K

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-RM2K ControlLogix Redundancy Module delivers advanced fault tolerance and exceptional system redundancy for critical industrial automation tasks. This module integrates smoothly into your ControlLogix setup, guaranteeing uninterrupted performance and reducing operational interruptions in demanding industrial settings. Utilizing cutting-edge single-channel fiber optic communication, the 1756-RM2K supports remarkable distances up to 10 kilometers with impressive speeds reaching 1000 Mbps. This makes it a perfect fit for operations spread across vast areas or applications demanding rapid data exchange between controllers. Engineered for durability, the 1756-RM2K features a conformal coating, providing superior protection against moisture, dust, and corrosive elements commonly found in harsh industrial environments. Moreover, its SIL2 certification highlights its suitability for safety-critical applications, adding a layer of dependability and compliance for heightened operational security.Key Features Single-Channel Fiber Connectivity: Features one transmit and one receive channel for dependable point-to-point data transfer. Extended Fiber Range: Supports communication distances up to 10 kilometers, enabling adaptable system designs across large facilities. High-Speed Data Exchange: Achieves speeds up to 1000 Mbps, facilitating rapid data transfer and real-time control. Robust ControlLogix Redundancy: Specifically engineered to enhance fault tolerance and ensure continuous system availability within ControlLogix platforms. SIL2 Compliant: Adheres to Safety Integrity Level 2, making it suitable for deployment in safety-critical industrial processes. Conformally Coated Protection: Includes a protective coating that shields internal components from moisture, dust, and corrosion for prolonged operational life. Optimized for Industrial Automation: Designed to provide reliable and consistent performance in the most challenging industrial automation environments. Technical Specifications Model: 1756-RM2K Series: ControlLogix Redundancy Modules Communication Type: Single-Channel Fiber (1 Transmit, 1 Receive) Maximum Distance: Up to 10km Maximum Speed: 1000 Mbps SIL Compliance: SIL2 Certified Coating: Conformally Coated for Harsh Environments Mounting: ControlLogix Chassis Certifications: UL, CE, TÜV Applications High-Availability Control Systems: Essential for ensuring redundancy and uninterrupted operation in mission-critical control applications where downtime is unacceptable. Process Automation & Manufacturing: Supports reliable and efficient industrial control processes in large-scale manufacturing plants and complex process automation environments. Safety-Critical Applications (SIL2): Meets stringent functional safety standards, making it ideal for systems requiring enhanced protection and reliability. Oil & Gas, Power, and Utilities: Facilitates long-distance, high-speed control network communication in critical infrastructure sectors, enhancing operational stability. Why ChooseThis module offers unwavering reliability, actively safeguarding your control systems against potential failures to guarantee continuous, uninterrupted functionality. Its impressive 10km fiber range considerably expands your network capabilities, allowing for flexible and expansive control architectures. With 1000 Mbps speeds, this module efficiently handles large data volumes, which is crucial for real-time applications. The SIL2 certification provides assurance that your system adheres to rigorous safety standards, protecting both personnel and assets. Meticulously constructed for demanding settings, the conformal coating ensures sustained performance even in the harshest industrial conditions, leading to reduced maintenance and replacement expenses. Its design also allows for seamless integration into existing systems.Order NowInvest in the Allen-Bradley 1756-RM2K to elevate the resilience and performance of your industrial automation systems. Contact us today to secure this essential component for your operations.FAQWhat is the primary function of the 1756-RM2K module?The 1756-RM2K module is engineered to provide fault tolerance and high-availability redundancy for ControlLogix systems, ensuring continuous operation in critical industrial applications.What kind of communication does this module use?It utilizes single-channel fiber optic communication, featuring one transmit and one receive channel for reliable point-to-point data transmission.What is the maximum distance the 1756-RM2K can support for communication?The module supports communication distances of up to 10 kilometers.Is the 1756-RM2K suitable for harsh industrial environments?Yes, it features a conformal coating that protects internal components from moisture, dust, and corrosion, making it ideal for demanding industrial settings.Does this module have any safety certifications?Yes, the 1756-RM2K is SIL2 certified, indicating its suitability for deployment in safety-critical industrial processes.

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PRODUCT DETAILS

Allen-Bradley 1756-RM2K

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-RM2K
  • Series: ControlLogix Redundancy Modules
  • Communication Type: Single-Channel Fiber (1 Transmit, 1 Receive)
  • Maximum Distance: Up to 10km
  • Maximum Speed: 1000 Mbps
  • SIL Compliance: SIL2 Certified
  • Coating: Conformally Coated for Harsh Environments
  • Mounting: ControlLogix Chassis
  • Certifications: UL, CE, TÜV

Applications

  • High-Availability Control Systems: Essential for ensuring redundancy and uninterrupted operation in mission-critical control applications where downtime is unacceptable.
  • Process Automation & Manufacturing: Supports reliable and efficient industrial control processes in large-scale manufacturing plants and complex process automation environments.
  • Safety-Critical Applications (SIL2): Meets stringent functional safety standards, making it ideal for systems requiring enhanced protection and reliability.
  • Oil & Gas, Power, and Utilities: Facilitates long-distance, high-speed control network communication in critical infrastructure sectors, enhancing operational stability.

Why Choose the 1756-RM2K?

This module offers unwavering reliability, actively safeguarding your control systems against potential failures to guarantee continuous, uninterrupted functionality. Its impressive 10km fiber range considerably expands your network capabilities, allowing for flexible and expansive control architectures. With 1000 Mbps speeds, this module efficiently handles large data volumes, which is crucial for real-time applications. The SIL2 certification provides assurance that your system adheres to rigorous safety standards, protecting both personnel and assets. Meticulously constructed for demanding settings, the conformal coating ensures sustained performance even in the harshest industrial conditions, leading to reduced maintenance and replacement expenses. Its design also allows for seamless integration into existing systems.

Availability & Shipping

  • In stock: 1756-RM2K 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-RM2K ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-RM2K module is engineered to provide fault tolerance and high-availability redundancy for ControlLogix systems, ensuring continuous operation in critical industrial 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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