Allen-Bradley 1756-RM2XT | ControlLogix Extended Temperature Redundancy Module – Single Channel Fiber, SIL2 Certified

Overview

The Allen-Bradley 1756-RM2XT is an extended temperature redundancy module for the ControlLogix-XT platform, specifically designed for extreme environmental conditions. Operating with fiber optic communication, it features a single channel (1 transmit and 1 receive fiber), supports distances up to 10 km, and offers data rates up to 1000 Mbps.

Certified for SIL2 safety applications, this module is capable of withstanding operating temperatures ranging from -25°C to +70°C (-13°F to +158°F), making it suitable for harsh industrial environments in industries like energy, process control, and critical infrastructure.

Key Features

• Function: Redundancy synchronization module

• Communication Type: Single-channel fiber (1 TX / 1 RX)

• Max Distance: Up to 10 km

• Max Speed: Up to 1000 Mbps

• Safety Certification: SIL2 (Safety Integrity Level 2)

• Temperature Range: Extended range of -25°C to +70°C (-13°F to +158°F)

• Compatibility: ControlLogix redundancy systems

• Fiber Type: Single-mode (for extended distance)

• High-Speed Sync – Minimizes switchover time for mission-critical applications

• Diagnostic LEDs – Clear status and fault indication

Technical Specifications

• Model: 1756-RM2XT

• Fiber Ports: 1 transmit / 1 receive (LC connectors)

• Data Rate: Up to 1 Gbps

• Fiber Type: Single-mode (for 10 km range)

• Safety Rating: SIL2, per IEC 61508

• Mounting: ControlLogix chassis

• Operating Temperature: -25°C to +70°C (-13°F to +158°F)

• Backplane Current (5.1V): ~1.2 A

• Certifications: UL, CE, c-UL, SIL2

Applications

• Extreme Environment Control Systems – Redundant setup for industrial applications

• SIL2 Safety Applications – Process automation with high safety integrity

• Energy, Oil & Gas, Utilities – Harsh environments requiring redundancy and fiber connectivity

• High-Availability Systems – Critical automation infrastructure requiring failover protection

Why Choose the 1756-RM2XT?

• Extended operating temperature range for harsh environments

• Supports high-speed fiber communication up to 10 km

• SIL2 certified for safety-critical applications

• Robust performance in extreme conditions

Order Now

In stock and ships worldwide. Ask about redundant fiber optic cables, fiber-to-copper converters, or ControlLogix SIL2-certified configurations.