The GE IS200DSPXH1D is a DSPX Digital Signal Processor Control Board used in GE industrial control equipment. The DSPX provides digital signal processing, logic, and interface functions and is associated with GE Mark VI turbine control as well as EX2100 excitation-control applications.
The DSPX is the primary controller for bridge, motor-regulator, and gating functions in GE Innovation Series drives. In EX2100 systems, it performs generator-field control functions. The board combines a high-performance DSP, memory devices, and an application-specific integrated circuit for real-time control processing.
For maintenance and replacement, the complete IS200DSPXH1D suffix is important. GE documentation identifies several DSPX hardware variations, and the board must be reconfigured after replacement using the applicable GE Control Systems Toolbox procedure.
Product Datasheet
| Item | Specification |
|---|---|
| Model | IS200DSPXH1D |
| Brand | General Electric (GE) |
| Series | Mark VI / GE Industrial Control |
| Product Type | DSPX Digital Signal Processor Control Board |
| Functional Acronym | DSPX |
| Main Function | Digital Signal Processing & Control |
| Processor | TI TMS320C31 DSP |
| DSP Clock | 60 MHz |
| Floating Point | Integrated DSP floating-point capability |
| Memory | SRAM / Flash / NVRAM, configuration dependent |
| Custom Logic | DSPX ASIC |
| Bus Interface | ISBus / backplane interface |
| Board Identification | On-board ID PROM |
| Applications | Innovation Series Drives / EX2100 Excitation / Mark VI |
| Diagnostic Interface | LEDs / keypad & tool interfaces |
| Board Revision | H1D configuration |
| Mounting | GE control rack / system backplane |
| Dimensions | Approx. 5 × 6.5 × 0.5 in* |
| Weight | Approx. 5 oz / 142 g* |
| Country of Origin | USA* |
*Published distributor data gives approximately 5 × 6.5 × 0.5 inches and 5 oz for this board; actual shipping dimensions and weight can differ.

Typical Applications
- GE Mark VI turbine control
- GE Innovation Series drives
- EX2100 excitation control
- Generator field regulation
- Motor regulation and gating
- Industrial drive systems
- Power-generation control
- Legacy GE control-system maintenance
Installation & Use
- Verify the board number — Confirm IS200DSPXH1D and the complete hardware revision before replacement.
- Isolate the equipment — Remove power and follow the applicable GE control-system maintenance procedure before removing the PCB.
- Check connectors — Inspect the backplane plugs, ISBus connections, and board seating for contamination or mechanical damage.
- Install the replacement — Seat the board correctly and reconnect all communication cables and associated wiring.
- Reconfigure the board — A DSPX replacement requires system reconfiguration using the appropriate GE Control Systems Toolbox procedure.
- Verify operation — Check diagnostic LEDs, communication, control processing, and application-specific signals before returning the equipment to service.
⚠️ Replacement note: The IS200DSPXH1D is not simply a generic processor card. Its exact hardware revision and application matter. For Innovation Series drives or EX2100 excitation systems, verify the original board identification and system configuration before substitution.






