General Electric DS200TCEAG1BTF
General Electric DS200TCEAG1BTF
General Electric DS200TCEAG1BTF
General Electric DS200TCEAG1BTF
General Electric DS200TCEAG1BTF
General Electric DS200TCEAG1BTF
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DS200TCEAG1BTF

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The DS200TCEAG1BTF is a GE Mark V turbine control board (TCEA), providing 64 analog inputs, 32 analog outputs, servo valve drivers, and a dedicated 24V sensor supply.
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Technical specifications for DS200TCEAG1BTF

  • Manufacturer:
    General Electric
  • Part Number:
    DS200TCEAG1BTF
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Control Board
  • Analog Inputs:
    64 channels
  • Analog Outputs:
    32 channels
  • Servo Valve Output:
    ±50 mA current loop (typical)
  • Onboard Power Supply:
    +24V DC for external sensors
  • Operating Temperature:
    0°C to 60°C
  • Storage Temperature:
    -40°C to 85°C
  • Humidity:
    5% to 95% non‑condensing
  • Weight:
    1.04 kg
  • Estimated shipping dimensions:
    8x21.2x4.8cm
  • Tariff Code:
    8517795000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Operational Environment Monitoring & Control

Features:

  • Provides massive analog capacity for monitoring temperature, pressure, position, and speed sensors while controlling fuel and steam valves simultaneously.
  • Eliminates the need for external servo‑amplifiers; directly drives hydraulic actuators with precise current control for fast, stable valve positioning.
  • Powers external loop‑powered transmitters directly from the board, simplifying cabinet wiring and reducing the need for separate power supplies.
The DS200TCEAG1BTF consolidates a massive amount of analog input and output capability onto a single VME board. In a gas turbine, the 64 analog inputs connect directly to thermocouples measuring exhaust temperature spread, pressure transmitters on compressor discharge, LVDTs for inlet guide vane position, and vibration sensors. The 32 analog outputs control fuel flow between multiple gas control valves, liquid fuel bypass, steam injection, and inlet bleed heat valves.

Hydraulic actuators are the muscles of a turbine, moving fuel stop valves, steam chests, and blow‑off valves. The DS200TCEAG1BTF contains high‑power (±50 mA) current drivers specifically tuned for proportional servo valves. When the Mark V control logic commands “Open 35%”, this board converts that digital command into an analog current. The feedback loop (reading the LVDT position) is also closed here, ensuring the valve reaches the exact position without overshoot or hunting. The ±50 mA current loop is immune to voltage drop over long cable runs, making it reliable even when the valve is located hundreds of feet from the control cabinet.

Field transmitters (pressure, temperature, flow) typically require a 24V DC power source to operate. In many control systems, this power comes from a separate external supply, requiring additional wiring, fusing, and cabinet space. The DS200TCEAG1BTF solves this with an onboard 24V DC output specifically rated to power loop‑powered transmitters. This output is available on the I/O connector and can supply current to all 32 analog input loops (depending on total load). This design reduces the cost of the turbine cabinet by removing a separate industrial power supply, simplifies wiring because power is sourced directly from the I/O termination, and provides fused protection for each channel.

The DS200TCEAG1BTF General Electric Control Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL)by the manufacturer (OEM).

General Electric DS200TCEAG1BTF Control Board Manuals, Datasheets,Drivers,Link Important Notice:Other accessories,manuals,cables,calibration data,software,etc.are not included with this equipment unless listed in the above stock item description.All prices are shown in USD.
General Electric DS200TCEAG1BTF Control Board Specs

General

  • Manufacturer General Electric
  • Model DS200TCEAG1BTF
  • Condition New Original ready stock
  • Product Family DS200TCEAG1B,DS200TCQAG1B,DS200TCCAG1B
Important Notice:Other accessories,manuals,cables,calibration data,software,etc.are not included with this equipment unless listed in the above stock item description.All prices are shown in USD.
  • Gas Turbine Control: Deployed in GE heavy-duty gas turbines (e.g., Frame 6, 7, and 9 series) and aeroderivative models (e.g., LM6000) for overspeed mitigation.
  • Steam Turbine Control: Implemented in large-scale utility thermal power plants and nuclear steam turbines for critical emergency trip protection.
  • Industrial Process Turbines: Utilized in petrochemical refineries to safeguard massive turbine-driven compressors and air separation units.
  • Temperature & Humidity: Operates optimally inside the panel enclosure between 0°C and 60°C (32°F to 140°F), with a relative humidity profile of 5% to 95% non-condensing to prevent high-voltage arcing on trip loops.
  • Electrical Isolation & Fusing: Equipped with 3 onboard industrial fuses designed to clamp high-voltage transients or electrical surges, preventing localized short-circuits from damaging the system backplane.
  • Electromagnetic Immunity (EMI): Because it processes low-voltage, high-frequency pulse inputs from magnetic speed pickups, the board requires rigid grounding contact with the chassis and shielded twisted-pair cabling to reject industrial noise.
  • Triple Redundant Monitoring (X, Y, Z): Operates in a triple-redundant topology across the protective rack as designated X, Y, and Z processors. They simultaneously calculate turbine shaft speed via pulse sensors, monitor flame detectors, and verify autosynchronization parameters.
  • Hardware-Level Threshold Enforcement: The onboard microprocessor reads firm safety thresholds (I/O configuration constants) embedded directly in the socketed PROM chips. If calculated speed rates breach these limits, a trip sequence is triggered natively.
  • Data Bus Transmission (IONET): Conditioned and scaled speed telemetry is piped out via dedicated high-speed IONET buses (utilizing JX1/JX2 connectors) straight to the STCA master board in the core rack for system-wide diagnostic tracking.
Description
The DS200TCEAG1BTF is a TCEA (Turbine Control E‑series Analog) board for the GE Mark V turbine control system. It serves as the primary analog I/O interface for gas and steam turbines. The board features 64 analog inputs and 32 analog outputs, making it suitable for high‑density control applications. 

When using the DS200TCEAG1BTF, engineers benefit from an onboard 24V DC power supply that can power external loop‑powered transmitters. The board includes dedicated servo valve current drivers (typically ±50 mA) for hydraulic actuator control. It has diagnostic LEDs for power and communication status. 

The DS200TCEAG1BTF is part of the Mark V series, which is now obsolete but still operational in many power plants. The “1B” in the part number typically indicates a specific hardware revision, while “TF” may indicate firmware or functional revision. The board communicates with the Mark V main processor via the VME backplane.

For legacy GE turbine system maintenance, the DS200TCEAG1BTF is an essential spare part. It is available through industrial surplus suppliers and specialized repair services. When replacing a board, always verify that the jumper settings match the original board’s configuration. The board should be handled using ESD precautions. 
Revisions

Revision Part #

Also known as

DS200TCEAG1B Ser LE
DS200TCEAG1BLE, Series LE, Rev LE
DS200TCEAG1B Ser KE
DS200TCEAG1BKE, Series KE, Rev KE
DS200TCEAG1B Ser JE
DS200TCEAG1BJE, Series JE, Rev JE
Alternative Names
DS200TCEAG1B DS200TCQAG1B DS200TCCAG1B
Technical notes
The DS200TCEAG1BTF are high impedance and can be configured for either voltage (0-10V) or current (4-20 mA) signals via jumper blocks. Input filtering is also jumper‑selectable to reduce noise from field wiring.The servo valve driver uses a ±50 mA current loop, not voltage. Using a standard voltage output card to drive a servo valve will result in zero control. Always confirm the valve’s input requirements before wiring.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Does DS200TCEAG1BTF improve servo valve control?
Yes. The DS200TCEAG1BTF has dedicated ±50 mA servo valve drivers and high‑resolution closed‑loop control logic. This solves slow actuator response and position hunting, ensuring precise fuel or steam admission control under varying load conditions.
Does DS200TCEAG1BTF support Modbus or Ethernet?
No. The TCEA board communicates only over the VME backplane with the Mark V main processor, which handles plant‑level communications (Modbus, Ethernet, etc.). The board itself is not a network interface. For DCS integration, use the main processor’s communication ports.
Does DS200TCEAG1BTF provide power for transmitters?
Yes. The board includes a dedicated +24V DC output on the I/O connector, specifically rated to power external loop‑powered pressure, temperature, and flow transmitters. This eliminates the need for a separate power supply for field devices.
How does DS200TCEAG1BTF report failures to operators?
The board uses high‑density LED arrays to show power, communication, and channel status. Critical failures trigger the turbine protection logic, which activates an alarm message on the Mark V HMI (Viewer software) and logs the event for post‑trip analysis.