



The GE IS200DSPXH1BDB is a Digital Signal Processor (DSPX) control board used in the GE Speedtronic Mark VI / EX2100 turbine control system family. It functions as the primary real-time control processor, executing turbine regulation, bridge firing control, and excitation system logic.
This module is a high-performance industrial DSP controller designed for gas turbines, steam turbines, and generator excitation systems, where fast deterministic control and protection are essential.
Technical Specifications
The IS200DSPXH1BDB is a multi-function control processor used in GE’s turbine and excitation platforms.
| Parameter | Specification |
|---|---|
| Module Type | Digital Signal Processor Control Board (DSPX) |
| Series | GE Mark VI / EX2100 |
| Function | Real-time control, bridge firing, excitation regulation |
| Processor | High-speed DSP (industrial real-time architecture) |
| Clock Speed | ~60 MHz class DSP processing (typical for DSPX family) |
| Control Functions | Bridge control, motor regulation, gating logic |
| Excitation Control | Supports EX2100 field control functions |
| Memory | Flash, RAM, NVRAM, system ROM |
| Communication | VME / ISBus backplane integration |
| I/O Capability | High-speed digital and analog interface support |
| Diagnostics | Status + fault LED indicators |
| Interface Ports | EMUL connector, HS serial port |
| Backplane Connector | P1 slot interface |
| PCB Design | Conformal-coated industrial multilayer board |
| Operating Temperature | Industrial range (typically 0°C–60°C) |
It is designed for deterministic real-time execution of turbine control and protection algorithms.
Physical Dimensions & Weight
| Item | Value |
|---|---|
| Form Factor | 3U / rack-mounted control board |
| Dimensions | ~180 × 120 × 60 mm |
| Weight | ~0.8–1.5 kg |
Key Functions in System
The IS200DSPXH1BDB is essentially the brain of the Mark VI control loop, responsible for:
- Bridge rectifier firing control
- Motor and turbine regulation loops
- Field excitation control (EX2100 systems)
- Start/stop sequencing
- Alarm and trip logic execution
- Real-time signal processing and control computation
Recommended Related Models
- IS200DSPXH1CAA – earlier DSPX revision
- IS200DSPXH2DBD – newer high-performance DSPX version
- IS200BICIH1ACA – bridge interface controller
- IS200BPIBG1AEB – IGBT bridge interface module
- IS200DAMAG1BBB – gate drive amplifier module