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The GE IS200DSPXH1BCA Digital Signal Processor Board (DSPX) is a high-performance Printed Circuit Board (PCB) central to GE’s industrial control systems.1
It serves as the primary real-time controller for complex, high-speed applications in power generation and large-scale industrial drives.2
🧠 Key Functions and Applications
The DSPX board utilizes a powerful Digital Signal Processor (DSP) to execute crucial, real-time control loops:3
- Drives Control: It functions as the core controller for bridge, motor regulator, and gating functions within GE’s Innovation Series Drives.4 This involves precise timing and control of the power semiconductors (IGBTs) to regulate the speed, torque, and position of industrial motors.
- Generator Field Control: When integrated into the GE EX2100 Excitation Control system, the board manages the generator field control functions, which are necessary to regulate the output voltage and reactive power of synchronous generators.5
- Logic and Processing: The board handles all the essential processing, logic, and interfacing required by the system, ensuring synchronization and rapid response to changing conditions.6
⚙️ Technical Features
The IS200DSPXH1BCA is a revision within the robust IS200DSPX series, featuring:
| Feature | Details |
| Processor | High-performance 60 MHz Digital Signal Processor (DSP) |
| Compatible Systems | GE Speedtronic Mark VI Turbine Control System, EX2100 Excitation Control, Innovation Series Drives |
| Memory Types | FLASH (for boot code and history), RAM (for program execution), NVRAM (nonvolatile storage), and Add-Only Memory (for revision tracking) |
| I/O and Interface | Features two ISBus serial interfaces for high-speed communication and five differential HIFI inputs for inputs like tachometer or encoder feedback. |
| Diagnostics | Two front-panel LED indicators (Status and Fault) for quick visual troubleshooting. |
| Protection | Includes a watchdog timer and stack overflow detection to maintain system integrity and automatically reset the board upon critical faults. |
The suffix H1BCA denotes the specific hardware revision and/or firmware level of the board. In the Mark VI system, different revisions may have minor variations in component layout or software capabilities, making the full part number important for replacement and system compatibility.
