1756-RM2XT Allen Bradley Rockwell Redundancy Module

Product Parameters

Model: 1756-RM2XT

Type: ControlLogix-XT Enhanced Redundancy Module

Communication: Dual fiber-optic ports (1 transmit, 1 receive), LC-type connector

Cable Type: 8.5/125 micron single-mode fiber-optic cable

Transmission Distance: Up to 10 km (10,000 m)

Synchronization Speed: Up to 1000 Mbps 

Controller Switchover Time: Up to 20 ms

Current Draw:

1.16 A @ 5.1V DC

3.4 mA @ 24V DC

Power Dissipation: 6 W

Thermal Dissipation: 21 BTU/hr

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

Storage Temperature: -40°C to +85°C (-40°F to +185°F)

Relative Humidity: 5–95% non-condensing

Shock Resistance:

Operating: 30 g

Non-operating: 50 g

Mounting: Any slot in a ControlLogix-XT chassis

Compatible Controllers: ControlLogix 5560, 5570, 5580 series

Compatible Power Supplies: 1756-PAXT, 1756-PBXT (standard); 1756-PA75R, 1756-PB75R (redundant)

Compatible Cables: 1756-RMC1 (1 m), 1756-RMC3 (3 m), 1756-RMC10 (10 m)

Enclosure: None (open-style)

Certifications: CE, CSA, CUL, KC, RCM, UL, ATEX, IECEx (T4 temperature code)

Display: 4-character alphanumeric for status and diagnostics

Functions

Controller Redundancy: Pairs with another 1756-RM2XT in a redundant chassis to ensure continuous operation, with automatic switchover in case of controller failure.

High-Speed Synchronization: Supports up to 1000 Mbps for fast data synchronization between primary and secondary controllers, minimizing scan delays (up to 10 ms during switchover).

Interference-Free Diagnostics: Provides enhanced safety features, suitable for ControlLogix SIL 2 applications without impacting system performance.

Extreme Environment Operation: Operates reliably in harsh conditions (-25°C to +70°C), ideal for extreme temperature or corrosive environments.

Dual Fiber Ports: Uses redundant fiber-optic ports to eliminate single points of failure, ensuring robust communication.

Hot Insertion/Removal: Supports Removal/Insertion Under Power (RIUP) for maintenance, provided safety precautions are followed in non-hazardous areas.

Network Support: Compatible with up to seven enhanced ControlNet or EtherNet/IP communication modules per chassis for flexible network integration.

Configuration Simplicity: Configured using Studio 5000 Logix Designer and Redundancy Module Configuration Tool (RSLinx 2.59 or later).

Application Scenarios

Oil and Gas: Ensures continuous operation of pipeline or refinery control systems in harsh climates, with redundancy minimizing downtime.

Chemical Processing: Supports reliable control in corrosive or high-temperature environments, with SIL 2 compatibility for safety-critical processes.

Mining: Provides robust redundancy for equipment control in extreme temperature or dusty conditions.

Power Generation: Maintains uptime in turbine or grid control systems, with fast switchover ensuring uninterrupted operation.

Water/Wastewater Treatment: Enables reliable process control in outdoor or humid environments, with fiber-optic communication reducing interference.

Heavy Industry: Used in steel or cement plants for high-availability control systems exposed to extreme temperatures.

Advantage Products:

All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the other conditions are needed, Used, Open-box, Refurbished, etc.

Many Available just wait for you, feel free to ask to get better deal!!!

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