1756-RMC1 | Allen-Bradley ControlLogix Redundancy Module Fiber Cable

Product Overview

The Allen-Bradley 1756-RMC1 serves as the critical high-speed communication link for ControlLogix redundancy systems. This fiber-optic cable connects 1756-RM2 or 1756-RM2XT redundancy modules, enabling seamless synchronization between primary and secondary chassis. It ensures zero-latency data transfer, allowing your system to maintain continuous control during a processor switchover. We provide this component as 100% Brand New and Original to guarantee maximum network integrity in mission-critical applications.

Technical Specifications

This cable meets rigorous industrial standards to ensure signal purity across high-interference environments.

Engineering Advantages

• Extreme Temperature Resilience: Unlike standard commercial cables, the 1756-RMC1 operates reliably from -25°C to +70°C. This wide range prevents signal attenuation in unconditioned outdoor cabinets or high-heat processing floors.

• EMI/RFI Immunity: The fiber-optic construction eliminates electrical interference. You can route this cable through high-voltage trays without risking data corruption or ground loops.

• Integrated Safety & Standard Control: This cable supports the convergence of safety and standard control within a single chassis. It facilitates the high-speed data exchange required for integrated SIL-rated systems.

• Compact High-Availability: The lightweight (0.02 Kg) and flexible design allow for tight-radius bends in crowded control panels, making redundancy upgrades straightforward in existing footprints.

FAQs

• Does the 1756-RMC1 support the 1756-RM2 modules?

  Yes. The 1756-RMC1 is the standard 1-meter cable designed specifically for connecting 1756-RM2 redundancy modules to establish the redundancy link between two chassis.

• What happens if the cable is disconnected during operation?

  The redundancy modules will immediately detect a loss of synchronization. While the primary controller continues to run, the system will signal a "Redundancy Lost" fault. Replacing the cable with a Brand New 1756-RMC1 restores the high-availability state once synchronized.

• Is this cable compatible with XT (Extended Temperature) modules?

  Absolutely. Since the cable is rated up to +70°C, it fully supports the Allen-Bradley XT line of ControlLogix components used in harsh environments.

• How do I ensure the best signal performance during installation?

  Always clean the fiber tips before insertion and ensure you do not exceed the minimum bend radius. Even though the 1756-RMC1 is durable, avoiding sharp kinks ensures the highest data throughput for the redundancy synchronization.