Allen Bradley 1757-SRC1 Redundancy Module Cable

Product Introduction

The Allen-Bradley 1757-SRC1 Redundancy Module Cable is specifically engineered to provide reliable fiber-optic connectivity between 1757-SRM redundancy modules in ControlLogix systems. It ensures high-speed, deterministic communication required for dual-redundant controller configurations, maintaining system integrity and operational continuity in critical industrial applications.

The cable utilizes ST-type fiber-optic connectors at both ends, offering secure and precise alignment for optical signal transmission. Fiber-optic technology inherently provides immunity to electromagnetic interference (EMI), radio-frequency interference (RFI), and ground-loop issues, making it ideal for installation in industrial environments with high electrical noise.

Its 3-meter length allows for flexible routing within control cabinets while maintaining signal performance. The industrial-grade protective jacket enhances durability against bending, vibration, and mechanical stress, ensuring long-term reliability and minimal maintenance requirements.

Product Specifications

Product Applications

• Connecting 1757-SRM redundancy modules to enable dual-controller high-availability systems

• Ensuring deterministic communication for redundant controllers in process automation

• Synchronizing data and control signals between primary and secondary controllers

• Redundant control of manufacturing processes, material handling, and utilities

• Mitigating risk of system downtime by providing fault-tolerant communication links

• Industrial environments with high electrical noise where fiber-optic immunity is critical

• Cabinet and rack-mounted installations requiring flexible and reliable cable routing

Product Advantages

• High Reliability: Fiber-optic medium ensures stable communication unaffected by EMI or RFI.

• Deterministic Performance: Supports low-latency, high-speed communication critical for redundancy systems.

• Industrial Robustness: Resistant to vibration, bending, and mechanical stress commonly found in control cabinets.

• Compatibility: Optimized for use with 1757-SRM redundancy modules for ControlLogix systems.

• Installation Flexibility: 3-meter length allows convenient routing and connection in cabinet environments.

• Low Maintenance: Durable fiber-optic cable and robust connectors reduce the need for frequent replacement or adjustment.

• Continuous Operation: Designed for high-availability systems requiring continuous, uninterrupted performance.

FAQ

1. What type of connectors are used on the 1757-SRC1 cable?
   The cable uses ST-type fiber-optic connectors on both ends to ensure precise and stable optical alignment.

2. Which modules is this cable designed to connect?
   It is designed for use with Allen-Bradley 1757-SRM redundancy modules.

3. How does the fiber-optic medium improve reliability?
   Fiber-optic transmission is immune to electromagnetic and radio-frequency interference, eliminating noise-related communication issues.

4. Can this cable support high-speed data communication?
   Yes, it is engineered to support the deterministic, high-speed communication required for redundant controller synchronization.

5. Is the cable suitable for cabinet or rack installations?
   Yes, it can be routed within control cabinets or racks with minimal bending stress while maintaining signal integrity.

6. How resistant is the cable to mechanical stress?
   The industrial-grade jacket and fiber core are designed to withstand bending, vibration, and typical industrial wear.

7. Can multiple 1757-SRC1 cables operate in the same cabinet?
   Yes, multiple cables can be installed in parallel, provided they are routed carefully to prevent excessive bending and maintain optical performance.

8. Does this cable support continuous operation in critical systems?
   Yes, it is designed for 24/7 operation in high-availability control systems.

9. How does the cable ensure redundancy system integrity?
   By providing deterministic, low-latency communication between primary and secondary controllers, it ensures that both controllers remain synchronized.

10. Can the 1757-SRC1 cable tolerate industrial environmental conditions?
    Yes, it operates reliably in environments with temperature fluctuations, vibration, and mechanical stresses common in industrial control cabinets.

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