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DS200TCEAG1B

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DS200TCEAG1B is a General Electric Mark V emergency overspeed protection board that processes independent speed and flame-trip inputs in the protective core.
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Technical specifications for DS200TCEAG1B

  • Manufacturer:
    General Electric
  • Part Number:
    DS200TCEAG1B
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Mark V emergency overspeed protection board
  • Stock:
    1
  • Functional acronym:
    TCEA
  • System platform:
    SPEEDTRONIC Mark V
  • Board role:
    Emergency overspeed and flame-trip protection
  • Core location:
    Protective core
  • Processor:
    Intel 80196
  • Firmware storage:
    Removable PROM devices
  • Speed inputs:
    Three pulse-rate channels
  • Protection functions:
    Overspeed, flame detection, automatic synchronizing
  • Onboard fuses:
    3
  • Configuration jumpers:
    30
  • Core network:
    IONET
  • Connector style:
    Bayonet and ribbon-cable interfaces
  • Maintenance reference:
    GEH-5980 Mark V Maintenance Manual
  • Tariff Code:
    8538900000
  • 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 Trip Inputs Hardware Layout Service Checks Fault Isolation

Features:

  • Monitors three independent turbine-speed channels in the Mark V protective core.
  • Combines overspeed, flame-trip, and automatic-synchronizing support on the TCEA board.
  • Exchanges operating and diagnostic data with the core controller through IONET.
An 80196 processor, removable PROMs, three fuses, and configurable hardware jumpers form the board's control and protection hardware.

The trip path handled by General Electric DS200TCEAG1B is separate from normal regulator logic, so a replacement must reproduce the installed protective-core address and firmware arrangement.

Because field speed pickups and flame circuits terminate through unit-specific wiring, commissioning must follow the plant drawings rather than a generic jumper map.

For pricing and availability of the General Electric DS200TCEAG1B Mark V emergency overspeed protection board contact Apter Power.
General Electric DS200TCEAG1B Mark V emergency overspeed protection board Manuals, Datasheets, Links 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.

Signals used by the protection path

  • Speed channels: Three pulse-rate inputs monitor independent shaft-speed pickups.
  • Flame status: Flame-detection inputs participate in protective trip decisions.
  • Threshold data: Unit-specific constants determine the permitted overspeed limit.
  • Voting context: Each protective core contributes to the Mark V trip architecture.
  • Signal plausibility: Missing pulses, noise, or connector faults must be separated from true overspeed.

Board elements that must stay matched

  • Processor: An Intel 80196 executes board-level protection and diagnostic functions.
  • PROM set: Removable devices carry firmware associated with the installed configuration.
  • Fuses: Three onboard fuses protect defined board circuits.
  • Jumpers: Thirty hardware positions cover addressing and other site-dependent choices.
  • Interconnects: Bayonet and ribbon-cable connectors couple the TCEA board to the core.

Checks before and after exchange

  • Removal record: Photograph every connector and record the protective-core position before removal.
  • PROM identity: Compare PROM labels and orientation with the removed board and the unit configuration record.
  • Jumper transfer: Transfer only approved positions; do not copy an unrelated core configuration.
  • Fuse check: Inspect fuse continuity with power isolated and use the specified replacement rating.
  • Return to service: After startup, confirm IONET communication and validate all three speed indications.

Practical diagnostic sequence

  • False speed indication: Inspect pickup continuity, shielding, grounding, and input connectors.
  • IONET alarm: Recheck board address jumpers, core cabling, and seating.
  • Persistent trip: Compare field flame states and configured thresholds with the trip log.
  • No board response: Verify the three fuses and the required core supply rails.
  • Post-replacement mismatch: Confirm PROM identity and the complete TCEA revision.
Description
Inside a Mark V protective core, the General Electric DS200TCEAG1B Emergency Overspeed Protection Board supervises turbine-speed and flame-trip conditions independently of normal control. Its role is to supervise turbine-speed and flame-trip conditions independently of the normal control path and pass a trip decision into the Mark V protection architecture.

Three pulse-rate speed inputs are conditioned by General Electric DS200TCEAG1B, compared with configured trip thresholds, and combined with flame-detection logic. An Intel 80196 processor and removable PROM devices support the board firmware, while diagnostic exchanges occur over IONET with the core controller.

Service work on General Electric DS200TCEAG1B must preserve the location jumpers, connector orientation, PROM placement, and fuse ratings recorded for the installed core. The board includes three protective fuses, a large jumper set for site configuration, and bayonet-style connectors used by the Mark V wiring arrangement.

Before returning General Electric DS200TCEAG1B to service, technicians should verify that all speed channels read plausibly, flame-trip circuits agree with the field wiring, and diagnostic alarms clear without forcing the protection logic.
Revisions

Revision Part #

Also known as

DS200TCEAG1B
DS200TCEAG1-B, Series B, Rev B
Alternative Names
DS200 TCEA G1B DS200-TCEA-G1B GE DS200TCEAG1B General Electric DS200TCEAG1B Mark V DS200TCEAG1B TCEA G1B emergency overspeed board DS200TCEAG1B protection card DS200TCEA G1B
Technical notes
For DS200TCEAG1B replacement, preserve the installed TCEA core address, PROM set, fuse ratings, connector orientation, and unit-specific trip configuration before energization.
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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.
What should be copied before replacing DS200TCEAG1B?
Record every DS200TCEAG1B jumper position, PROM location, connector label, and core assignment before removing the installed board.
Why can DS200TCEAG1B report an overspeed problem with the turbine stopped?
A DS200TCEAG1B alarm at standstill can point to open pickup wiring, electrical noise, an incorrect threshold, or a disturbed connector rather than real shaft speed.
How should the three fuses on DS200TCEAG1B be checked?
Isolate the Mark V core, identify each DS200TCEAG1B fuse by the maintenance drawing, and test continuity before fitting only the specified replacement rating.
Can DS200TCEAG1B be exchanged without checking PROM devices?
No. DS200TCEAG1B firmware PROMs and their orientation must match the approved core configuration before power is restored.
What does an IONET alarm after a DS200TCEAG1B swap indicate?
Check the DS200TCEAG1B address jumpers, ribbon connectors, core cabling, and seated condition before treating the alarm as a controller fault.
How is DS200TCEAG1B verified after installation?
Confirm all three speed readings, flame-trip inputs, board diagnostics, and the permitted protection test sequence for DS200TCEAG1B without bypassing plant safeguards.
Is revision B of DS200TCEAG1B automatically interchangeable with every TCEA board?
DS200TCEAG1B is a revision-B assembly, but core position, PROM set, jumper map, and the unit-specific Mark V drawings still decide interchangeability.