GE DS200DCFBG2BNC MRP445970 Fiber Optic Communication Board
The GE DS200DCFBG2BNC (Manufacturer Reference Part MRP 445970) is a critical Fiber Optic Communication Board within GE’s Mark V, Mark VI, and Mark VIe series gas/steam turbine control systems. Primarily designed for the EX2100 excitation control system, this board facilitates high-speed, noise-immune data exchange between the excitation controller and other critical system components like the turbine control module (TCM) and Human-Machine Interface (HMI). Its robust design ensures reliable operation in demanding power generation environments.
Series: Part of the GE DS200 Series drive control boards used extensively in GE Mark V, Mark VI, and Mark VIe turbine control platforms, specifically integral to the EX2100 excitation system.
Key Features & Functions:
- Dual-Channel Fiber Optic Communication: Utilizes ST/BNC connectors (as indicated by “BNC” suffix) for high-speed, bidirectional data transmission via fiber optic cables.
- Noise Immunity: Fiber optic technology provides exceptional immunity to electromagnetic interference (EMI) and ground loop issues, crucial in high-voltage switchyards and generation facilities.
- System Integration: Acts as the primary communication hub between the EX2100 excitation controller and the turbine control module (TCM/TMR), HMI workstations, and potentially other networked devices.
- Critical Signal Transmission: Handles vital signals including generator field voltage/current commands, status feedback, protection signals, synchronizing signals, and system diagnostics.
- Redundancy Support: Designed to integrate into redundant control architectures common in turbine protection systems.
- Status Monitoring: Provides LED indicators for power status and communication link activity (transmit/receive).
- Robust Construction: Engineered for continuous operation in industrial environments with wide temperature ranges typical of power generation control cabinets.
Primary Role / Function: To provide secure, high-speed, and noise-immune communication between the EX2100 excitation controller and the central turbine control system (Mark V/VI/VIe) and HMI. It is essential for the precise control and protection of the generator field during turbine operation.
Typical Applications & Industries:
- Core Application: GE EX2100 Static Excitation Systems for generators.
- Systems: GE Mark V, Mark VI, and Mark VIe Gas Turbine Control Systems; GE Mark V, Mark VI, and Mark VIe Steam Turbine Control Systems.
- Industries: Electric Power Generation (Utilities & IPPs), Oil & Gas (Onshore/Offshore Power Generation), Industrial Cogeneration Plants, Large Marine Propulsion.
- Equipment: Synchronous Generators (Gas Turbine, Steam Turbine, Hydro).
GE DS200DCFBG2BNC (MRP 445970) Specifications Summary
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Parameter Category
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Specification
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Manufacturer
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General Electric (GE)
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Part Number
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DS200DCFBG2BNC
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Manufacturer Ref. (MRP)
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445970
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Series/Platform
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GE Drive Control Board (DS200 Series); For EX2100 / Mark V / Mark VI / Mark VIe
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Primary Function
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Fiber Optic Communication Interface Board
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Connector Type
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BNC (Type indicated by suffix) – Critical for correct mating connectors/cable type
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Communication Medium
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Fiber Optic Cable (Multimode typically)
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Communication Channels
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Dual Channels (Typically Tx/Rx pairs)
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Speed/Protocol
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High-Speed Serial (Proprietary/VME-based within GE Mark platform)
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Key Interfaces
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Fiber Optic BNC Connectors, VME-style Backplane Connector
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Compatibility
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Essential Component for: GE EX2100 Excitation Controllers integrated with Mark V, Mark VI, Mark VIe turbine control systems.
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Status Indicators
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LEDs for Power (+5V, +15V, -15V typically), Communication Activity (Tx, Rx)
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Mounting
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Designed for installation within the EX2100 controller cabinet or Mark series rack, slots onto VME-style backplane.
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Typical Environment
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Power Generation Control Rooms/Cabinets (Industrial Temperature Range)
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Key Suffix Meaning
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BNC: Denotes the specific type of fiber optic connector used on the board. |
Critical Notes:
- EX2100 Specificity: This board is a fundamental component specifically designed for the GE EX2100 excitation system when integrated with Mark V, VI, or VIe turbine controls. Its function is critical to excitation control and generator protection.
- Connector Type: The “BNC” suffix is crucial. It defines the physical connector type required for the fiber optic cables. Using cables with incompatible connectors (e.g., ST, SC) will prevent installation and operation. Ensure fiber cables have mating BNC connectors.
- Compatibility & Configuration: Replacement boards must match the exact part number (DS200DCFBG2BNC) and revision level (if specified) as the original. Configuration settings within the EX2100 and Mark control system are interdependent with this hardware.
- Firmware/Synchronization: While the board itself carries hardware specs, its operation is tightly coupled with the firmware/software versions running on the EX2100 and Mark controllers. Compatibility must be verified.
- Documentation: Always refer to the official GE manuals for the specific EX2100 excitation system model and the associated Mark V/VI/VIe turbine control system for detailed installation, wiring diagrams, configuration, and troubleshooting procedures (e.g., GEH-6630 for EX2100, GEH-6421 for Mark VI). Specifications can vary slightly based on the overall system configuration.
- Safety: Working on excitation control systems involves high voltages. Only qualified personnel should handle installation, removal, or maintenance following strict lockout/tagout (LOTO) procedures.
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