Description
Technical Parameters & Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Series | Mark V Speedtronic |
| Full Model | DS200FCRLG1 |
| Board Type | Fiber Optic Communication Receiver / Link Board |
| Optical Interface | 2 fiber optic receiver ports (dual redundant) |
| Fiber Type | Multimode (62.5/125µm) |
| Connector Type | ST (bayonet) |
| Maximum Cable Length | 2 km (per segment) |
| Data Rate | 10 Mbps (full duplex) |
| Communication Protocol | GE proprietary (Mark V serial link) |
| VME Interface | VME backplane (parallel data transfer) |
| Redundancy | Dual redundant optical receivers with automatic selection |
| Diagnostics | Link status, signal strength, error counters |
| Diagnostic LEDs | Receive, link status, fault, redundancy active |
| Operating Temp | -30°C to +65°C |
| Protection | Conformal coating + gold-plated edge connectors |
| Physical Dimensions | 6U VME format (233mm × 160mm) |
| MTBF | > 105,000 hours |
Core Advantages & Key Features
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Fiber Optic Signal Reception – The DS200FCRLG1 provides noise-immune, reliable reception of optical signals from fiber optic communication links, eliminating the susceptibility to electromagnetic interference (EMI) and ground loops that affect copper-based communication.
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Dual Redundant Optical Receivers – Two independent fiber optic receiver ports provide redundant reception paths with automatic selection. If one path loses signal, the DS200FCRLG1 automatically switches to the backup path without interruption.
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High-Speed Data Reception – 10 Mbps full-duplex reception provides fast data exchange between remote devices and the Mark V system.
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Electrical Isolation – Fiber optic communication provides complete electrical isolation between the Mark V system and remote equipment, eliminating ground loop issues and protecting against voltage transients.
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Diagnostics and Monitoring – Real-time monitoring of link status, signal strength, and error counters with diagnostic LEDs for quick troubleshooting.
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Robust Environmental Protection – Conformal coating and gold-plated edge connectors ensure reliable operation in humid, dusty, or corrosive environments.
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Plug-and-Play Compatibility – The DS200FCRLG1 integrates seamlessly with all Mark V main processors, including DS200CPCAG1A, and works alongside fiber optic gateway boards such as DS200FCGDH1, DS200FCGDH1B, and DS200FCGDH1BAA without additional interface hardware.
Typical Applications
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Remote I/O Panels – Receives fiber optic signals from remote I/O panels located near field devices.
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Distributed Control Systems – Provides fiber optic signal reception for communication between Mark V racks and DCS platforms.
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Isolated Communication – Provides electrical isolation between the control system and field equipment in high-EMI environments.
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Long-Distance Communication – Enables signal reception over distances up to 2 km between control racks and remote monitoring stations.
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Redundant Communication – Dual optical receivers provide high-availability signal reception for critical turbine control systems.
Comparison: DS200FCRLG1 vs. Other Communication Options
| Feature | DS200FCRLG1 | Serial Communication (RS-485) | Ethernet Communication |
|---|---|---|---|
| Primary Function | Fiber optic receiver | Serial communication | Ethernet communication |
| Communication Medium | Fiber optic cable | Copper twisted pair | Copper or fiber |
| Maximum Distance | 2 km | 1.2 km | 100 m (copper) / 2 km (fiber) |
| EMI Susceptibility | None | High | Moderate |
| Electrical Isolation | Yes (complete) | No | No (unless fiber) |
| Redundancy | Dual receivers with auto-selection | Requires external switch | Requires external switch |
| Data Rate | 10 Mbps | Up to 115.2 kbps | 10/100/1000 Mbps |
| Hot-Swap Support | Yes | No | Yes |
Selection Guidelines & Precautions
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Evaluate Communication Distance – The DS200FCRLG1 is ideal for fiber optic communication distances up to 2 km.
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Verify Fiber Type and Connectors – Ensure the board’s ST connectors and 62.5/125µm multimode fiber match the existing or planned fiber infrastructure.
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Check Redundancy Requirements – The dual optical receivers provide automatic selection for critical communication links.
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Proper Fiber Handling – Follow proper fiber optic cable handling and installation practices to ensure reliable operation.
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Cable Quality – Use high-quality multimode fiber optic cables with proper connectors to minimize signal loss.
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Diagnostics – Monitor link status and signal strength periodically to detect degradation before failure.
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Firmware Compatibility – The DS200FCRLG1 is compatible with all Mark V main processor firmware versions.
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Spare Parts Strategy – Maintain at least one unit and have spare fiber optic cables and transceivers available for critical systems.
Summary
The DS200FCRLG1 is a fiber optic communication receiver/link board for GE Mark V systems, providing noise-immune, long-distance (up to 2 km) signal reception with dual redundant optical receivers and automatic selection. It enables reliable communication with remote I/O panels, distributed control systems, and field equipment in high-EMI environments, typically paired with fiber optic gateway boards such as DS200FCGDH1, DS200FCGDH1B, and DS200FCGDH1BAA. The board integrates seamlessly with DS200CPCAG1A processors. Selection requires evaluation of communication distance, fiber infrastructure, and redundancy requirements to ensure reliable fiber optic signal reception in critical turbine and compressor applications.

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