- Supports the documented ControlLogix redundant-controller architecture
- Requires matched paired hardware, firmware, project, and chassis records
- Must be installed and recovered as a redundant pair, not as an isolated module
1756-RM is an Allen-Bradley ControlLogix redundancy module for a documented redundant controller system.
Its function depends on a matched pair of controller chassis, redundancy modules, firmware, cabling, and synchronized controller application.
Capture the existing paired-system records and verify the installed Series before replacement, recovery, or migration planning.
Availability, condition, price, and shipping time for 1756-RM are confirmed during quotation.
Allen-Bradley 1756-RM ControlLogix Redundancy Module Manuals, Product Family, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Install one redundancy module in each chassis of the documented redundant pair
- Keep controller, chassis, module, cable, and project records aligned between both sides
- Do not troubleshoot a redundant pair from one chassis in isolation
- Read the installed module label and firmware record before selecting a replacement
- Do not assign a Series from the base 1756-RM catalog number alone
- Validate paired compatibility in the approved Rockwell Automation system record
- Archive both controller projects and current redundancy status before maintenance
- Record chassis positions, cabling, and all relevant network assignments
- Return the pair through the documented synchronization and recovery procedure
- ControlLogix 5560 redundant-controller systems using a matched 1756-RM pair
- ControlLogix 5570 redundant-controller systems requiring synchronized chassis operation
- Paired chassis systems using a direct 1756-RMCx single-mode fiber link for redundancy crossload and switchover