AB 1756-RM/A ControlLogix Enhanced Redundancy Module

This redundancy module ensures uninterrupted operation in critical automation systems by synchronizing dual controllers through fiber optic connections. Commonly deployed in manufacturing plants and energy infrastructure, it maintains process continuity during controller failures while providing real-time diagnostics through front-panel LEDs.

Technical Specifications

Brand	Allen-Bradley
Weight	0.29 kg
Power	9 Watts
Operating Temp	0°C to 60°C
Compatibility	ControlLogix chassis series A4-A13

Real-World Applications

In chemical processing facilities, this module maintains continuous reactor control during maintenance cycles. Power plants use it to sustain turbine monitoring systems without interruption. For instance, a recent client in automotive manufacturing reported 99.999% system availability after implementing dual-controller configurations with these modules.

We commonly supply this alongside 1756-L7 controllers for packaging line automation, or integrated with 1756-PA75R power supplies in water treatment plants. The LC fiber connector simplifies long-distance redundancy between control rooms and field equipment.