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Allen-Bradley 1756-RM2XT ControlLogix Redundancy Module

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Allen-Bradley 1756-RM2XT

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-RM2XT is a cutting-edge ControlLogix Extended Temperature Redundancy Module, meticulously engineered to deliver unwavering performance within the most rigorous industrial settings. This module integrates flawlessly with the ControlLogix-XT platform, providing robust redundancy solutions specifically designed for environments where extreme temperatures are prevalent.Utilizing advanced fiber optic communication, the 1756-RM2XT ensures high-speed and dependable data transfer over substantial distances. It features a single channel configuration, encompassing one transmit and one receive fiber. This module supports impressive communication ranges of up to 10 kilometers and achieves rapid data rates of up to 1000 Mbps, which is crucial for mission-critical applications. With its rigorous SIL2 (Safety Integrity Level 2) certification, this module serves not only as a redundancy solution but also as a cornerstone for safety-critical operations.It boasts an exceptional operating temperature range, effortlessly managing conditions from a frosty -25°C to a searing +70°C (-13°F to +158°F). This resilience makes it an indispensable component for industries such as energy, oil and gas, process control, and critical infrastructure, where operational continuity and safety are paramount in harsh environments.Key Features Extreme Temperature Endurance: Operates flawlessly across a wide range, from -25°C to +70°C, making it ideal for the most demanding industrial surroundings. SIL2 Certified Safety: Guarantees superior safety integrity in compliance with IEC 61508 for critical applications. High-Velocity Fiber Optic Transmission: Supports single-channel fiber with data speeds up to 1000 Mbps for rapid synchronization. Long-Range Connectivity: Enables dependable data transmission over distances up to 10 km using single-mode fiber. ControlLogix System Compatibility: Designed for seamless incorporation within existing ControlLogix redundancy frameworks. Minimal Switchover Time: High-speed synchronization capabilities ensure virtually instantaneous failover for uninterrupted operation. Clear Diagnostic Indicators: Equipped with diagnostic LEDs for quick and straightforward status and fault identification. Technical Specifications Model Number: 1756-RM2XT Module Type: Redundancy synchronization module Communication Interface: Single-channel fiber (1 Transmit/1 Receive) Fiber Port Connectors: LC type Maximum Data Rate: Up to 1 Gbps (1000 Mbps) Maximum Cable Distance: Up to 10 km (6.2 miles) Recommended Fiber Type: Single-mode fiber for extended distances Safety Certification: SIL2, in accordance with IEC 61508 standards Mounting Compatibility: Designed for ControlLogix chassis integration Operating Temperature Range: -25°C to +70°C (-13°F to +158°F) Backplane Current Draw (5.1V): Approximately 1.2 A Certifications: UL, CE, c-UL, SIL2 Applications Harsh Industrial Environments: Essential for redundant control systems exposed to broad temperature fluctuations. Safety-Critical Process Automation: Perfect for applications requiring SIL2-certified components to uphold high safety integrity. Energy, Oil & Gas, and Utilities: Provides robust and reliable redundancy for critical infrastructure in challenging settings. High-Availability Systems: Crucial for maintaining continuous operation in critical automation and control systems that demand failover protection. Remote Monitoring & Control: Facilitates long-distance, high-speed fiber optic communication for geographically distributed assets. Water/Wastewater Treatment: Ensures reliable control in environments that may experience significant temperature variations. Why ChooseThis module offers unparalleled durability, specifically engineered to endure a wide spectrum of extreme temperatures, guaranteeing reliable operation where standard modules would fail. The SIL2 certification provides peace of mind, ensuring the highest level of safety integrity for critical applications. Furthermore, you benefit from superior communication range with fiber optic connectivity, extending over considerable distances.Order NowContact us today to inquire about the Allen-Bradley 1756-RM2XT and enhance the reliability and safety of your industrial operations.FAQWhat is the operating temperature range for the 1756-RM2XT?The 1756-RM2XT is designed to operate flawlessly in temperatures ranging from -25°C to +70°C (-13°F to +158°F).What safety certification does this module have?This module is SIL2 certified, adhering to IEC 61508 standards for high safety integrity in critical applications.What is the maximum communication distance for the fiber optic connection?The 1756-RM2XT supports reliable data transmission over distances up to 10 kilometers using single-mode fiber.

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PRODUCT DETAILS

Allen-Bradley 1756-RM2XT

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 Number: 1756-RM2XT
  • Module Type: Redundancy synchronization module
  • Communication Interface: Single-channel fiber (1 Transmit/1 Receive)
  • Fiber Port Connectors: LC type
  • Maximum Data Rate: Up to 1 Gbps (1000 Mbps)
  • Maximum Cable Distance: Up to 10 km (6.2 miles)
  • Recommended Fiber Type: Single-mode fiber for extended distances
  • Safety Certification: SIL2, in accordance with IEC 61508 standards
  • Mounting Compatibility: Designed for ControlLogix chassis integration
  • Operating Temperature Range: -25°C to +70°C (-13°F to +158°F)
  • Backplane Current Draw (5.1V): Approximately 1.2 A
  • Certifications: UL, CE, c-UL, SIL2

Applications

  • Harsh Industrial Environments: Essential for redundant control systems exposed to broad temperature fluctuations.
  • Safety-Critical Process Automation: Perfect for applications requiring SIL2-certified components to uphold high safety integrity.
  • Energy, Oil & Gas, and Utilities: Provides robust and reliable redundancy for critical infrastructure in challenging settings.
  • High-Availability Systems: Crucial for maintaining continuous operation in critical automation and control systems that demand failover protection.
  • Remote Monitoring & Control: Facilitates long-distance, high-speed fiber optic communication for geographically distributed assets.
  • Water/Wastewater Treatment: Ensures reliable control in environments that may experience significant temperature variations.

Why Choose the 1756-RM2XT?

This module offers unparalleled durability, specifically engineered to endure a wide spectrum of extreme temperatures, guaranteeing reliable operation where standard modules would fail. The SIL2 certification provides peace of mind, ensuring the highest level of safety integrity for critical applications. Furthermore, you benefit from superior communication range with fiber optic connectivity, extending over considerable distances.

Availability & Shipping

  • In stock: 1756-RM2XT 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-RM2XT ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-RM2XT is designed to operate flawlessly in temperatures ranging from -25°C to +70°C (-13°F to +158°F).

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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