GE DS200TCEAG1BTF Mark V Overspeed Protection Board
The GE DS200TCEAG1BTF, also cataloged as the DS200TCEAG1B Overspeed Protection Board, operates as a dedicated hardware component for emergency speed monitoring and trip activation within GE Mark V turbine control system platforms.
Suffix Breakdown & Model Matrix
| Segment | Code | Technical Definition |
|---|---|---|
| Base Series | DS200 | Standard Mark V panel-mounted printed circuit board series |
| Board Type | TCEA | Emergency Overspeed Trip Board configuration |
| Revision Group | G1B | Functional artwork and component circuit revision layout |
| Assembly Option | TF | Factory configuration for specific trip frequency thresholds |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCEAG1BTF |
| Brand | GE (General Electric) |
| Origin | USA |
| Operating Temp | -40 to +85 deg C |
| Mounting Format | Rack-mounted card slot |
| Output Frequency | 50 kHz max output response |
| System Architecture | GE Mark V Speedtronic Turbine Control System |
| Primary Function | Hardware emergency overspeed detection and trip logic |
Backplane Bus Communication & I/O Density Scaling
The DS200TCEAG1BTF board monitors magnetic speed pickup signals directly from turbine rotors to evaluate overspeed thresholds. Internal high-speed frequency counters process pulses up to 50 kHz to trigger immediate trip output signals upon detecting an overspeed condition. High backplane bus communication velocity and firmware flash compatibility allow the module to exchange real-time speed data and diagnostic status flags across the Mark V VME control rack. This integrated execution path supports scaled triple-redundant (TMR) architectures, optimizing I/O density scaling and maintaining hardware voting integrity across critical protective loops.
Frequently Asked Questions
Q: How does the DS200TCEAG1BTF board interface with the Mark V triple modular redundant (TMR) core?
A: The board installs into designated slots within the protective core (such as ), processing independent pulse inputs from dedicated shaft speed sensors and transmitting hardwired trip signals directly to the trip terminal board.
Q: What mechanisms ensure rapid execution during an actual overspeed event?
A: The onboard speed processing logic operates independently of main control loop software, utilizing direct hardware frequency comparators capable of driving 50 kHz output signals to trip the fuel shut-off solenoids without bus latency.
Field Installation Guidelines
Unpack the DS200TCEAG1BTF board at an ESD-protected workstation using a grounded wrist strap attached to the panel frame. Align the circuit board card edges with the designated guide rails inside the Mark V rack enclosure and press firmly until the multi-pin backplane connectors seat completely. Secure the retaining screws on the front faceplate to lock the board in place and establish frame ground continuity.
Verify all field jumper settings and hardware option plugs against system documentation prior to energizing the rack power supply. Ensure all incoming magnetic pickup wiring utilizes twisted, shielded pairs, grounding the cable shield at the terminal strip bus bar to prevent noise induced by surrounding high-voltage machinery.
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| Warranty | 12 Months |
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