Description:

The Allen-Bradley 1756-CPR2 ControlLogix Controller-to-Controller Communication Cable (1756CPR2) is used in ControlLogix systems to connect redundant controllers for high-availability applications. Commonly installed between primary and secondary controllers in ControlLogix redundancy configurations within industrial control panels and critical process systems where continuous operation is required. Maintenance teams and system integrators use this 2-meter cable for redundancy setup, controller replacement, system upgrades, and maintaining reliable communication between redundant PLC processors.

Applications:

The 1756-CPR2 communication cable is widely used in industrial environments that require controller redundancy, such as oil and gas facilities, power generation plants, water and wastewater treatment systems, and large-scale manufacturing operations. It enables synchronized data exchange between redundant ControlLogix controllers to ensure seamless switchover and minimized downtime during faults.

Technical Specifications:

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model / Part number: 1756-CPR2
• Product type: Controller-to-controller communication cable
• Series: ControlLogix
• Cable length: 2 meters
• Function: Redundant controller communication link
• Compatibility: ControlLogix redundancy modules and controllers
• Connector type: Factory-terminated connectors
• Installation: Direct connection between redundant controllers
• Application environment: Industrial automation and high-availability systems

Common Replacements:

• Allen-Bradley 1756-CPR1
• Allen-Bradley 1756-RM2
• Siemens 6ES7590-1AE80-0AA0