GE DS200DCFBG1BLC Drive control feedback board
1. Product Description
The GE DS200DCFBG1BLC is a Drive Control Feedback Board designed for GE’s Mark V Turbine Control System. It serves as a critical interface between gas/steam turbine drives and the control system, providing feedback signal processing, power distribution, and communication for drive regulation.
2. Product Parameters & Specifications
Key Specifications Table
Category
|
Specification
|
---|---|
Part Number
|
|
Series
|
GE Mark V Speedtronic™ Turbine Control System
|
Function
|
Drive Control Feedback Interface / Power Distribution
|
Input Voltage
|
+125 VDC (typical)
|
Output Voltage
|
Regulated +/-15 VDC (for drive circuitry)
|
Isolation
|
2,000 VAC optical isolation (field-to-logic)
|
Feedback Signals
|
Dual-channel resolver/LVDT/RVDT inputs for position/speed feedback
|
Communication
|
Serial I/O to Mark V Controller (via TTL/RS-485)
|
Status Indicators
|
LEDs for power, fault, and signal status
|
Operating Temp.
|
-40°C to +85°C (-40°F to +185°F)
|
Compatibility
|
GE Mark V Drives (DS200 Drive Cabinets)
|
Certifications
|
Industrial Standards (UL, CE), Hazardous Location Options (specific variants)
|
Obsolete Status
|
Legacy (Replaced by Mark VIe; spare part only)
|
3. Series & Variants
- Series: Part of GE’s DS200 series for Mark V turbine control.
- Variant Notes:
- BLC suffix denotes hardware revisions (e.g., enhanced filtering/robustness).
- Compatible with DS200 Drive Cabinets (e.g., DS200DCFBG1, DS200DCFBG1A).
4. Key Features
- Dual-Channel Feedback: Redundant processing of resolver/LVDT signals for fail-safe operation.
- Optical Isolation: Protects control logic from high-voltage field noise.
- Power Regulation: Generates stable +/-15 VDC for drive electronics.
- Fault Diagnostics: LED indicators for quick troubleshooting (power, signal loss, faults).
- Backplane Integration: Plugs directly into DS200 drive cabinet backplanes.
5. Function & Role
- Converts analog resolver/LVDT signals into digital data for turbine speed/position control.
- Distributes power to drive components (IGBTs, sensors).
- Facilitates communication between drives and Mark V controller.
- Monitors feedback loop integrity for safety shutdowns.
6. Applications & Use Cases
Primary Application Domain
Gas/Steam Turbine Control Systems:
Application
|
Function
|
---|---|
Speed Regulation
|
Processes turbine RPM feedback from resolvers.
|
Valve Positioning
|
Interfaces with LVDTs/RVDTs for inlet valve/actuator control.
|
Drive Power Mgmt.
|
Supplies regulated power to drive boards (e.g., DS200SDCCG, DS200TCQAG).
|
Redundant Control
|
Dual-channel inputs ensure fail-operational safety.
|
Secondary Industrial Uses
- Hydroelectric turbine control
- Compressor drive systems (oil & gas)
- Heavy-duty motor control in power generation
7. Important Notes
- Legacy Component: No longer manufactured; used for maintenance/retrofits.
- Replacement: Upgraded to Mark VIe equivalents (e.g., IS200-series I/O packs).
- Compatibility: Verify firmware/hardware revisions with Mark V system requirements.
Summary
The GE DS200DCFBG1BLC is a legacy feedback interface board critical for precise turbine drive control in GE Mark V systems. Its dual-channel isolation, power regulation, and diagnostic capabilities ensure reliability in mission-critical power generation applications. For new installations, GE recommends transitioning to Mark VIe platforms.
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