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The GE DS200DMCBG1A DS200DMCBG1ACC DOS DUP processor board serves as the main computing core for GE Mark V systems. This board executes control algorithms for turbine and drive applications. You will find this processor in main control cabinets and redundant system configurations. Its dual-processor design supports fault-tolerant operations.
Processor Architecture and Computing Power
This DOS DUP processor board uses a high-performance 100MHz CPU for control tasks. Consequently, it handles complex regulation loops with minimal latency. The GE DS200DMCBG1A DS200DMCBG1ACC includes dual processing paths for redundant operation. Moreover, onboard memory stores application code and process data. You can configure this board for simplex or duplex modes.
Technical Specifications
| Parameter | Value |
|---|---|
| Processor Speed | 100 MHz |
| CPU Type | 32-bit RISC |
| RAM Capacity | 16 MB SDRAM |
| Flash Memory | 8 MB (application storage) |
| Non-Volatile RAM | 512 KB (retentive data) |
| Redundancy Ports | 2 (high-speed serial for DUP) |
| Communication Ports | 3 (RS-232, RS-485, Ethernet) |
| Dimensions | 260mm x 200mm x 40mm |
| Weight | 0.88 kg (1.94 lbs) |
| PCB Layers | 8 |
| Onboard Components | 1 CPU, 8 memory chips, 2 FPGA, 1 watchdog timer |
| Connector Count | 6 (redundancy, comm, power, backplane, I/O, diagnostic) |
| Status Indicators | 8 LEDs (CPU health, sync, fault, active, standby, comm, power, watchdog) |
| Energy Storage | 3300 µF (power hold-up capacitance) |
| Watchdog Timeout | 100 ms (software configurable) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
Redundancy and Data Management
The unit includes two dedicated high-speed ports for processor synchronization. Therefore, dual processors can maintain identical states for bumpless transfer. This board replaces the DS200DMCBG1ACC version without any program changes. Simply swap the boards and load the application code. GE designed this processor for hot-standby redundancy. Hence, the system continues running if one processor fails.
Eight PCB layers separate high-speed digital traces from power and analog signals. Six connectors handle all communication, redundancy, and I/O interfaces. The GE DS200DMCBG1A DS200DMCBG1ACC holds 3300 µF of capacitance for power hold-up. Accordingly, it survives brief power interruptions without resetting. Eight status LEDs provide complete health and operational feedback.
Watchdog and Installation Guide
A hardware watchdog timer resets the processor if software stalls. The board logs watchdog events in non-volatile memory for diagnosis. The GE DS200DMCBG1A DS200DMCBG1ACC works with all GE Mark V I/O boards. Always verify firmware revision compatibility before installation. The dual-processor configuration requires matched firmware on both boards.
Proper grounding of the chassis ensures noise-free processor operation. The board includes a real-time clock with battery backup. The GE DS200DMCBG1A DS200DMCBG1ACC delivers reliable turbine control processing. Installation requires careful handling of static-sensitive components. This board operates in non-condensing environments with adequate cooling.