Description
DS200TCCBG8BED Product Description
Description
The DS200TCCBG8BED is a high-performance common extended analog I/O board developed by General Electric (GE), a core component of the Speedtronic Mark V LM turbine control system. It serves as a “signal refinement hub” that scales, conditions, and routes critical analog signals from field devices to the system’s central processing modules, bridging raw sensor data with precise control logic.
Engineered for industrial robustness and signal integrity, this board resolves issues of signal distortion, limited input capacity, and integration incompatibility in gas turbine control systems. It ensures accurate processing of key operational data—including line current, generator voltage, and temperature readings—critical for stable turbine operation and efficiency optimization.
Application Scenarios
A 420MW gas-fired power plant in Texas faced persistent “signal drift” in its turbine generator voltage monitoring system. Legacy analog I/O boards failed to stabilize raw voltage signals (10–150V), leading to 2–3 monthly false “overvoltage” alarms that triggered unplanned shutdowns—each costing $60,000 in lost generation. Additionally, the boards supported only 8 input channels, requiring 4 separate units to handle the plant’s 12 critical sensors, increasing wiring complexity and failure points.
After upgrading to DS200TCCBG8BED, the plant eliminated signal drift entirely. The board’s precision conditioning circuitry stabilized output signals to ±0.1% accuracy, while its 12-channel capacity reduced the number of required boards from 4 to 1. Within 8 months, the plant avoided $720,000 in downtime costs and cut maintenance labor for signal systems by 65%. The plant’s controls engineer noted, “DS200TCCBG8BED turned our erratic voltage monitoring into a reliable system—we haven’t had a single false alarm since installation.”
Parameter
| Main Parameters | Value/Description |
| Product Model | DS200TCCBG8BED |
| Manufacturer | General Electric (GE) |
| Product Category | Common Extended Analog I/O Board (Speedtronic Mark V LM Series) |
| Core Function | Scales, conditions, and routes analog signals (current, voltage, RTDs); interfaces with TCEB/TBCB boards and transmits to STCA board |
| Input Capacity | 12 analog input channels – Supports line current, RTDs, generator/bus voltage, and 4–20mA/0–1mA signals |
| Operating Temperature Range | -30°C to +65°C – Stable in extreme turbine hall environments |
| Power Supply Voltage | 125V DC – Compatible with Mark V LM system power architecture |
| Signal Processing Accuracy | ±0.1% full scale – Ensures precise data for turbine control logic |
| Hardware Configuration | 7 configurable jumpers (J1–J5, J14–J16) – For voltage monitoring and serial port setup |
| Communication Interface | 2 x 50-pin connectors (JCC, JDD) – Ribbon cable links to TCEB, TBCB, and STCA boards |
| Processing Hardware | 80196 microprocessor + multiple PROM modules – Enables high-speed signal conditioning |
| Physical Dimensions | 33.0cm (H) × 17.8cm (W) – Fits standard Mark V LM control rack slots |
| PCB Technology | Surface-mount design – Reduces size and improves signal integrity |
| Diagnostic Feature | Side-visible status LED – Provides at-a-glance operational status |
| Compatibility | GE Speedtronic Mark V LM systems; integrates with TCEB (P1 core), TBCB (R5 core), and STCA boards |
| Country of Origin | USA |
DS200TCCBG8BED
Technical Principles and Innovative Values
Innovation Point 1: Multi-Signal Conditioning IntegrationUnlike legacy boards that handle only 1–2 signal types, DS200TCCBG8BED consolidates processing for line current, generator/bus voltage, RTDs, and 4–20mA signals into a single unit . This eliminates the need for specialized signal converters, reducing system component count by 60% and wiring complexity by 70%. A petrochemical plant in Louisiana replaced 3 dedicated boards with 1 DS200TCCBG8BED, freeing up 40% of control rack space.
Innovation Point 2: Jumper-Configurable FunctionalityThe board’s 7 hardware jumpers enable on-site customization without software—J1–J5 set generator/bus voltage and line current monitoring modes, J14 connects the RS232 port to DCOM, and J15–J16 support testing . Legacy boards required factory recalibration for such adjustments (taking 3–5 days), while DS200TCCBG8BED lets technicians reconfigure in 15 minutes, cutting maintenance time by 98%. A wind farm in Kansas used this feature to adjust voltage monitoring ranges during a routine inspection, avoiding a 2-day outage.
Innovation Point 3: High-Precision Signal ProcessingEquipped with an 80196 microprocessor and dedicated PROM modules, DS200TCCBG8BED processes signals with ±0.1% accuracy—10x more precise than generic analog boards . In field tests, it maintained stability even when input voltages fluctuated by 30%, reducing signal drift-related faults by 99%. A coal-fired plant in Indiana reported a 12% improvement in turbine efficiency after upgrading, as pressure and temperature sensor data became more reliable for load adjustment.
Innovation Point 4: Seamless Mark V LM Ecosystem SyncEngineered as a native component, DS200TCCBG8BED directly interfaces with the Mark V LM’s TCEB (P1 core) and TBCB (R5 core) boards via 50-pin connectors, then transmits conditioned signals to the STCA board . Third-party boards require custom adapters and 4–6 hours of integration; DS200TCCBG8BED syncs in 30 minutes, slashing commissioning time by 92%. A power plant in Illinois completed a full analog I/O upgrade in one shift, vs. three days with non-GE alternatives.
Application Cases and Industry Value
Gas-Fired Power Plant (Texas, U.S.)The 420MW plant’s generator voltage monitoring system suffered from signal drift and false alarms. After installing GE DS200TCCBG8BED, its precision conditioning eliminated drift, and 12-channel capacity reduced board count from 4 to 1. The board’s stability also detected a faulty voltage transformer 72 hours before failure—avoiding a $350,000 repair. Over 12 months, turbine availability rose from 91% to 99.5%, adding $1.2 million in annual generation revenue.
Petrochemical Refinery (Louisiana, U.S.)A refinery’s steam turbine control system used 3 outdated analog boards that distorted RTD temperature signals, causing inconsistent heating in process pipelines. GE DS200TCCBG8BED’s microprocessor-based conditioning stabilized temperature data, cutting pipeline temperature variation by 80%. The removable 50-pin connectors also made a recent system upgrade 3x faster than planned, avoiding a 1-day production halt. The refinery’s maintenance supervisor stated, “DS200TCCBG8BED didn’t just fix our signals—it simplified our entire I/O setup.”
Related Product Combination Solutions
Maximize Mark V LM system precision with these GE-compatible components that synergize with GE DS200TCCBG8BED:
DS200CPUH1A: Mark V LM Main CPU – Processes conditioned signals from DS200TCCBG8BED to coordinate turbine operation.
DS200TBCAG1AAB: Analog I/O Terminal Board – Terminates raw field signals before routing to DS200TCCBG8BED for conditioning.
DS200SVAAG1ACC: Voltage Attenuator Board – Complements DS200TCCBG8BED by reducing high-voltage inputs to safe levels for processing.
DS200STCAG1A: Signal Transmission Card – Receives conditioned signals from DS200TCCBG8BED and distributes them to the CPU.
IS220PPRFH1A: Regulated Power Supply – Delivers stable 125V DC to DS200TCCBG8BED, preventing voltage-induced signal errors.
GEH-6153 Manual: Official Guide – Provides jumper configuration diagrams and integration steps for DS200TCCBG8BED .
ToolboxST Software: GE Configuration Tool – Verifies signal accuracy and troubleshoots integration issues remotely.
DS200TCCBG8BED
Installation, Maintenance, and Full-Cycle Support
Installing GE DS200TCCBG8BED is designed for seamless integration. First, power off the Mark V LM control rack and identify the analog I/O slot. Align the board with the backplane connectors and secure it with mounting screws. Use the JCC/JDD 50-pin connectors to link to the TCEB (P1 core) and TBCB (R5 core) boards, then configure jumpers J1–J5 for voltage/current monitoring per the GEH-6153 manual . Record ribbon cable connections to ensure quick reinstallation . Commissioning takes 1 hour: verify signal transmission via the side LED and ToolboxST software.
Maintenance is minimal and efficient. Monthly checks involve inspecting jumper settings and cleaning dust from connectors—no calibration is needed. The side-visible LED provides instant status (green = normal, red = fault), while the 80196 microprocessor self-diagnoses signal issues. If replacement is required, removable 50-pin connectors let technicians swap the board in <20 minutes, vs. 2+ hours for wire-by-wire removal with legacy boards.
GE backs DS200TCCBG8BED with a 12-month warranty and global 24/7 technical support. Our spare parts network ships replacements the same day for critical applications , and GE engineers can provide on-site guidance for jumper configuration and system integration.
Whether you’re resolving signal drift, upgrading legacy I/O, or optimizing Mark V LM performance, DS200TCCBG8BED delivers the precision and reliability industrial operations demand. Contact us for a customized solution tailored to your turbine type and sensor requirements.
