Application Scenarios:
In a large chemical processing plant, a critical batch reactor control system experienced an occasional fault in the primary ControlLogix controller due to electrical noise, causing costly batch abortions and production delays. The engineering team implemented a redundant system using the 1757-SRC3 module to connect a standby controller. During a subsequent fault event, the 1757-SRC3 link facilitated an automatic and seamless switchover to the hot-backup controller within milliseconds. This failover mechanism prevented a reactor shutdown, saved an estimated 8 hours of production downtime, and ensured product quality by maintaining precise control loop continuity without operator intervention.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | 1757-SRC3 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | System Redundancy Link Cable / Module |
| Cable Length | 3 meters (9.84 feet) |
| Cable Type | 62.5/125 μm Multi-Mode Fiber Optic |
| Connector Type | ST-style (keyed for correct orientation) |
| Compatible Systems | ControlLogix Redundancy, ProcessLogix R4.x Systems |
| Link Function | Synchronization & Heartbeat (Primary ↔ Standby) |
| Isolation | Full optical isolation (immune to ground loops/EMI) |
| Operating Temp | 0 to 60 °C (32 to 140 °F) |
| Redundancy Mode | Active/Standby (Supports Hot Standby) |
| Key Feature | Hot-swappable (when system is configured for redundancy) |
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