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The GE IS200DSPXH1BDB Digital Signal Processor Control Board (DSPX) is a core component in GE’s industrial control platforms, serving as the primary real-time controller for high-performance applications.1
It is part of the GE Speedtronic Mark VI Turbine Control System and the Innovation Series Drives, and it is crucial for ensuring the precision and stability of large industrial machinery.2
🧠 Core Functions
The board’s main role is to execute complex, time-critical control algorithms using a dedicated Digital Signal Processor (DSP).3
- Drives Control: It functions as the primary controller for the bridge, motor regulator, and gating functions in the Innovation Series Drives.4 This involves accurately timing the switching of power semiconductors (like IGBTs) to regulate motor speed, torque, and position.
- Generator Field Control: When integrated into the GE EX2100 Excitation Control system, it manages the generator field control applications, which regulate the output voltage and reactive power of synchronous generators.5
- Logic and Processing: The DSPX provides all essential logic, processing, and interface functions for the system, replacing traditional analog controls with high-speed, digital processing.6
⚙️ Technical Features
The IS200DSPXH1BDB is a specific revision (B, D, B for functional and artwork revisions) within the robust IS200DSPX family.7
| Feature | Details |
| Processor | High-performance Digital Signal Processor (DSP), typically operating at 60 MHz. |
| Custom Logic | Includes an Application-Specific Integrated Circuit (ASIC) to perform custom logic and support functions. |
| Memory | Uses FLASH (for boot code and application firmware), RAM (for execution), NVRAM (nonvolatile data), and Add-Only Memory (for revision tracking). |
| I/O Interfaces | Features two ISBus interfaces (5 Mb/s) for high-speed communication, and five differential HIFI inputs for sensing (e.g., tachometers/encoders). |
| Diagnostics | Two front-panel LED indicators (Status and Fault) for visual troubleshooting. |
| Protection | Equipped with a watchdog timer and stack overflow detection capabilities to ensure system stability and initiate a protective reset if a critical fault occurs. |
The board is designed for installation in a keyed card slot on the Innovation Series backplane and requires proper anti-static handling during installation.8
