IS200DSPXH1DBD IS200DSPXH1DBC

The GE IS200DSPXH1D is a Digital Signal Processor (DSP) Control Board developed by General Electric for use in EX2100 Excitation and Mark VI Speedtronic industrial control systems. As a core computational module, it executes real-time control algorithms, manages I/O signal processing, and coordinates critical functions such as motor regulation, bridge gating, field voltage/current control, and protection interlocks. Its microprocessor-based architecture with dedicated DSP technology delivers deterministic performance and robust integration in harsh industrial environments.

Technical Specifications

Parameter	Specification
Model	IS200DSPXH1D
Module Type	Digital Signal Processor (DSP) Control Board
System Series	GE EX2100 / Mark VI Speedtronic
Primary Function	Real-time control, bridge/motor gating, field regulation
Processor Type	60 MHz Digital Signal Processor (DSP)
Memory	Onboard FLASH (firmware), RAM (runtime), NVRAM (non-volatile data)
I/O Processing	Differential inputs + discrete inputs + serial interfaces via backplane
Interrupt Support	Multiple hardware interrupt vectors
Backplane Interface	128-pin backplane connector
Operating Temperature	~−30 °C to +65 °C
Mounting	Single-slot control rack module
Dimensions (H×W×D)	160 mm × 130 mm × 12 mm (approx.) (5″ × 6.5″ × 0.5″)
Weight	~0.80 kg (0.8 kg)
PCB Protective Coating	Conformal coating (for moisture/dust resistance)

Note: Actual physical dimensions and weight can vary slightly depending on revision and board layout.

Recommended Companion Modules

To build a complete industrial control rack for turbine or excitation systems, the IS200DSPXH1D is often paired with:

IS200ACLEH1A / IS200ACLEH1B – Application Control Layer Modules
IS200EISBH1A – Exciter ISBus Interface Board
IS200EMIOH1A – Main I/O Board
IS200ESELH1A – Exciter Selector Board
IS200DRLYH1B – Relay Output Terminal Board

These modules together achieve full signal acquisition, processing, logic execution, and field output capabilities.

Popular GE Industrial Control Modules

Other commonly used modules within GE Mark VI / EX2100 systems include:

IS200EMIOH1A – I/O Processor Board
IS200EISBH1A – ISBus Communication Interface
IS200TRPGH1B – Turbine Protection Module
IS200CAAIH1A – Analog Input Conditioning Board
IS200BICIH1A – Bridge Interface Controller

These support the DSP board in handling multi-loop control, input/output routing, and protection functions.

Applications

The IS200DSPXH1D is used in demanding industrial automation environments where real-time control and robust signal processing are essential:

Gas and steam turbine control in power generation plants
Generator excitation systems and voltage regulation
Motor drive and bridge firing control
Distributed industrial EX2100 control cabinets
Distributed digital control system (DCS) nodes requiring fast dynamic response

Its DSP capabilities make it suitable for tasks where precision control loops and rapid feedback are required.

Key Advantages

High-Speed Real-Time Processing
Equipped with a dedicated 60 MHz DSP core, the board handles complex control loops, inner-loop regulation, and timing-critical tasks with high precision.

Integrated Memory Architecture
Onboard FLASH, RAM, and NVRAM support firmware, runtime data, and non-volatile storage for fault history and system configuration.

Conformal Coating for Harsh Environments
PCB protection improves resilience against moisture and contaminants common in industrial settings.

Modular Control Rack Integration
Single-slot design supports rack-mount deployment with standardized backplane connectivity.

Standard Industrial Operation Range
Designed for broad operating temperatures typical of turbine and process automation environments.

Technical FAQs

What is the main function of the IS200DSPXH1D?
It processes real-time control algorithms and manages bridge/motor and field control functions in GE Mark VI / EX2100 systems.
What processor does it use?
A 60 MHz digital signal processor (DSP) for real-time computation.
What memory types are onboard?
FLASH for firmware, RAM for runtime processing, and NVRAM for non-volatile storage.
Does it include conformal coating?
Yes — the H1D revision typically features conformal coating for environmental protection.
Where does it install?
It installs in a single slot of the control rack backplane.
What temperature range can it operate in?
Roughly −30 °C to +65 °C in industrial cabinets.
Does it support diagnostic interfaces?
Yes — emulator and monitor ports are typically available for field diagnostics.
What systems use this board?
GE Mark VI Speedtronic and EX2100 turbine/excitation control systems.
How is it connected to other modules?
Through the backplane bus and dedicated connectors to application control and I/O boards.
Why choose this DSP board?
Its high fidelity real-time processing and robust industrial design ensure stable control performance in mission-critical systems.