Allen-Bradley 1756-RMC1 ControlLogix Redundancy Fiber Optic Cable

Allen-Bradley 1756-RMC1 ControlLogix Redundancy Fiber Optic Cable

The Allen-Bradley 1756-RMC1 is a precision-engineered fiber optic cable designed specifically for ControlLogix redundancy applications. This 1-meter cable establishes high-speed synchronization between redundant processors, ensuring seamless failover protection and continuous system operation in mission-critical industrial environments.

Technical Specifications

• Model: 1756-RMC1
• Cable Type: Fiber optic redundancy cable
• Length: 1 meter (3.28 feet)
• Connector Type: Duplex LC fiber optic connectors
• Fiber Type: Multimode 62.5/125 μm
• Data Transfer Rate: Up to 1 Gbps synchronization speed
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Compatibility: ControlLogix 1756-RM, 1756-RM2, 1756-RM2XT redundancy modules
• Certification: UL Listed, CE marked

Key Features & Benefits

Ultra-Fast Synchronization: Delivers microsecond-level data synchronization between primary and backup controllers, minimizing switchover time during processor failures.

Industrial-Grade Durability: Ruggedized construction withstands harsh factory environments including vibration, electromagnetic interference, and temperature fluctuations.

Plug-and-Play Installation: Pre-terminated LC connectors enable quick, error-free installation without specialized fiber optic tools or training.

EMI Immunity: Fiber optic technology provides complete immunity to electromagnetic interference, ensuring reliable communication in electrically noisy environments.

Application Scenarios

The 1756-RMC1 cable is essential for industries requiring zero-downtime automation systems:

• Oil & Gas: Refinery control systems where process interruptions pose safety and environmental risks
• Power Generation: Turbine control and grid management requiring continuous operation
• Automotive Manufacturing: Assembly line control where downtime costs thousands per minute
• Water Treatment: Municipal systems demanding 24/7 reliability for public health
• Pharmaceutical Production: Batch processing with strict regulatory compliance requirements

System Integration Solutions

This redundancy cable works seamlessly within ControlLogix architectures. Connect the 1756-RMC1 between two redundancy modules (1756-RM or 1756-RM2 series) to establish the high-speed synchronization link. The system automatically manages data mirroring, health monitoring, and failover logic without programming intervention.

For complete redundancy implementation, pair with 1756-RM redundancy modules, 1756-L83EP controllers, and 1756-TBNH terminal blocks for a fully redundant control platform.

Common Questions Answered

Q: Can I use standard fiber optic cables instead of the 1756-RMC1?
A: No. The 1756-RMC1 is specifically designed and tested for ControlLogix redundancy timing requirements. Generic cables may not meet synchronization speed specifications.

Q: What cable length should I choose for my application?
A: The 1-meter 1756-RMC1 suits most cabinet installations. For longer distances, consider the 1756-RMC3 (3-meter) or 1756-RMC10 (10-meter) variants.

Q: Is this cable compatible with older ControlLogix systems?
A: Yes, the 1756-RMC1 works with all ControlLogix redundancy module generations including legacy 1756-RM/A and current 1756-RM2XT models.

Q: Does the cable require periodic replacement?
A: Under normal operating conditions, fiber optic cables have indefinite service life. Inspect annually for physical damage to connectors or cable jacket.

Warranty & Support

Every 1756-RMC1 cable includes a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides installation guidance, troubleshooting assistance, and system design consultation to ensure optimal redundancy performance.

Related Products

© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191