GE DS200TCCAG1BAA Speedtronic Mark V TCCA Board
The GE DS200TCCAG1BAA, also cataloged as the DS200TCCA Drive Control and I/O Analog Board, operates as a dedicated hardware component for high-speed analog signal processing within Speedtronic Mark V Turbine Control System networks. The unit uses onboard high-speed microprocessors, Programmable Logic Devices (PLDs), and socketed EEPROM/PROM firmware modules to process real-time turbine sensor inputs and issue control commands across internal bus structures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCCAG1BAA |
| Brand | GE (General Electric) |
| Origin | USA |
| Weight | 0.34 kg |
| Dimensions | 11.5 in x 8.2 in |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | Power supplied via internal Mark V backplane bus |
| System Architecture | Triple Modular Redundant (TMR) compatible (, , cores) |
| Connectors | 2 x 50-pin JCC/JDD ribbon cable headers |
| Processor/Logic | Onboard 16-bit/32-bit microprocessor and PLDs |
| Diagnostics | Onboard status LEDs for system heartbeat and fault verification |
Backplane Bus Communication Velocity and Deterministic Control
The DS200TCCAG1BAA interfaces directly with the Mark V core backplane bus to maintain high backplane bus communication velocity and real-time execution of critical control loops. Through the JCC and JDD 50-pin ribbon cable interfaces, the board exchanges analog values and diagnostic words with surrounding I/O boards without bus latency. Solid-state logic devices handle signal filtering and task scheduling directly at the hardware layer, ensuring deterministic execution across redundant TMR architecture configurations.
Frequently Asked Questions
Q: How are firmware updates handled on the DS200TCCAG1BAA board?
A: Firmware resides on socketed EPROM/PROM chips on the circuit board. Upgrading or replacing system firmware requires swapping these physical memory chips while power to the Mark V rack section is isolated.
Q: Can this board operate in a Triple Modular Redundant (TMR) Mark V control core?
A: Yes, the board is engineered for direct installation into the , , or core locations of the Speedtronic Mark V panel to support hardware-voting redundant control schemes.
Q: What precautions are necessary when connecting the JCC and JDD 50-pin ribbon cables?
A: Field technicians must ensure complete electrical de-energization of the rack prior to connecting ribbon cables to prevent pin shorting and static-discharge damage to the onboard PLD circuitry.
Field Installation Guidelines
Follow these core physical and electrical installation steps when mounting or replacing the board in a Mark V rack:
- De-energize all power sources supplying the target Mark V control rack core and apply lockout/tagout procedures before touching internal components.
- Wear a grounded wrist strap attached to the metal enclosure frame to prevent electrostatic discharge damage to delicate CMOS logic components.
- Align the circuit board edges with the panel guide rails and slide the assembly firmly into place until backplane connectors seat completely.
- Carefully mate the 50-pin JCC and JDD ribbon cable connectors, verifying that locking clips engage without forcing pin alignment.
- Secure the front retaining screws to ground the board frame to the cabinet chassis ground plane, then restore power and check the onboard LED indicators for a normal heartbeat signal.
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