1756-RM2 Redundancy Enhancement Module  

Product Manual：

1756-RM2 redundancy enhancement module, high-speed synchronization unit for primary and backup CPUs in the ControlLogix system, achieving disturbance free redundant switching of controllers.
1. Paired use to build an enhanced controller redundancy system
2. Dual fiber channels, 1000Mbps high-speed synchronization rate
3. Real time mirror synchronization of primary and backup controller programs and data
4. Millisecond level interference free switching for faults, uninterrupted production
5. Backboard slot installation, occupying a single rack slot
6. Fiber optic transmission with strong resistance to electromagnetic interference
7. Panel LED lights display synchronization, link, and fault status

8. Support hot standby mode, standby controller online standby
9. Link self diagnosis, timely alarm reporting of fiber optic abnormalities
10. Compatible with L6x and L7x series ControlLogix CPUs
11. Equipped with dedicated fiber optic cables, supporting multiple transmission distances
12. Backboard power supply, no external power supply required
13. Support Studio5000 software configuration and debugging
14. Supports online maintenance and allows for individual module replacement
15. Industrial wide temperature range, suitable for harsh working conditions of control cabinets
1756-RM2 is commonly used in key control scenarios of power, chemical, and oil and gas industries to enhance the operational reliability of the entire control system.

Product detailed pictures：

1756-RM2

product video

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