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GE DS200SDCCG5A Drive Control Card

Configured for drive regulation, excitation control, and processor-based I/O execution in GE EX2000 and Mark V Turbine Control System architectures, the GE DS200SDCCG5A (DS200SDCCG5A Drive Control Card) provides direct physical and electrical execution. The board processes control algorithms, manages analog interfaces, and executes diagnostic functions through its multi-processor architecture.

Hardware Specifications

Parameter	Specification
Model	DS200SDCCG5A
Brand	GE
Weight	1.5 lb
Product Type	Digital Exciter Drive Control Card
Series	EX2000 / TC2000 Turbine Control System
Processor Architecture	Multi-processor design with DCP, MCP, and CMP processors
Drive Control Processor	Intel 80C186 microcontroller
Motor Control Processor	Intel 80C196 microcontroller
Co-Motor Processor	Texas Instruments TMS320C25 DSP
Software Memory	4 EPROM devices and 1 EEPROM device
Number of Channels	16
Analog Outputs	0-20 mA
Frame Rate	100 Hz
Instruction Manual	GEI-100029C

Firmware Flash Compatibility and Control Processor Architecture

The DS200SDCCG5A uses dedicated processor resources for separated control tasks within GE drive and excitation platforms. The Drive Control Processor executes regulation loops, interface management, DMA operations, timer functions, and interrupt handling. The Motor Control Processor performs inner-loop current regulation and application-specific algorithms. The DSP processor provides additional calculation capacity for vector control and high-speed mathematical processing.

Firmware execution is stored through onboard EPROM and EEPROM memory devices. Replacement or firmware servicing requires compatibility verification between the installed memory configuration, processor revision, and the target GE control platform.

Frequently Asked Questions

Q: Does the DS200SDCCG5A support hot-swap replacement?
A: The DS200SDCCG5A is a plug-in control board designed for GE control racks. Hot-swap operation depends on the specific rack architecture and system procedure. Power isolation and approved maintenance steps are required before board removal.

Q: What type of signal interfaces are provided by the DS200SDCCG5A?
A: The board provides analog output capability at 0-20 mA and supports 16 channels for control and monitoring functions within compatible GE drive and excitation systems.

Q: Which processors are installed on the DS200SDCCG5A?
A: The board contains an Intel 80C186 Drive Control Processor, Intel 80C196 Motor Control Processor, and Texas Instruments TMS320C25 Digital Signal Processor.

Field Installation Guidelines

Install the DS200SDCCG5A in the designated GE control rack slot according to the applicable system manual. Verify connector alignment before insertion and avoid mechanical stress on the circuit board.

Use appropriate grounding practices for control cabinet installation. Cable shields should follow the cabinet grounding design and signal wiring should be separated from high-current switching conductors to reduce electrical interference.

Before energizing the system, confirm processor board seating, memory device compatibility, terminal connections, and installed firmware configuration. System diagnostics should be reviewed after startup to verify correct communication and control loop operation.

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