Allen Bradley 1756-RM2K ControlLogix Redundancy Module Coated

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Allen Bradley 1756-RM2K ControlLogix Enhanced Redundancy Module Conformal Coated

Product Description

The 1756-RM2K (1756-RM2K) is an enhanced redundancy module designed for the Allen-Bradley ControlLogix platform, specifically engineered to provide fault-tolerant operation in mission-critical environments. This module facilitates high-speed synchronization between a primary and secondary chassis, ensuring that process control remains uninterrupted in the event of a hardware or power failure.

The "K" suffix designates that the 1756-RM2K (1756-RM2K) features a conformal coating, providing superior protection against moisture, salt spray, and chemical contaminants, making it the standard choice for harsh industrial settings. Utilizing a 1000 Mbps Gigabit fiber-optic link, it offers significantly faster data cross-loading and reduced switchover times compared to legacy redundancy modules, supporting the high-speed requirements of modern ControlLogix L8 series controllers.

Detailed Technical Specifications

The 1756-RM2K is built for extreme reliability with the following technical parameters:

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Model/Part Number: 1756-RM2K

• Product Line: ControlLogix Redundancy

• Communication Speed: 1000 Mbps (Gigabit Ethernet over Fiber)

• Fiber Wavelength: 1310 nm

• Fiber Ports: 2 Ports (LC-type connectors)

• Maximum Fiber Distance: Up to 10 km (with single-mode fiber)

• Backplane Current (5.1V DC): 1.16 A

• Backplane Current (24V DC): 3.4 mA

• Power Dissipation: 6.0 Watts

• Thermal Dissipation: 20.5 BTU/hr

• Isolation Voltage: 30V (continuous), tested at 720V DC for 60 s

• Display: 4-character alpha-numeric status display

• Conformal Coating: Yes (Standard for "K" models)

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Vibration/Shock: 2 g @ 10–500 Hz / 30 g

• Weight: 0.27 kg (0.59 lbs)