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The GE DS200SLCCG4ACC DS200STBAG1AAA turbine control board manages communication for Mark V systems. This board handles data exchange between the turbine controller and external networks. You will find this control board in Speedtronic Mark V turbine cabinets. Its dual-port design supports redundant network connections.
Communication Architecture
This turbine control board uses a 200 MHz 32-bit network processor. Consequently, it manages high-speed data traffic without burdening the main CPU. The GE DS200SLCCG4ACC DS200STBAG1AAA provides two Ethernet ports and four serial channels. Moreover, onboard memory buffers data during peak network loads. You can configure each port independently for different protocols.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 24V DC ±10% |
| Power Consumption | 12W typical |
| Ethernet Ports | 2 (RJ45, 10/100 Mbps auto-sensing) |
| Serial Ports | 4 (RS-232/485 software selectable) |
| Serial Baud Rate | 300 to 115.2 kbps |
| Processor | 32-bit ARM, 200 MHz |
| Memory | 16 MB SDRAM, 8 MB Flash |
| Supported Protocols | Modbus TCP, Modbus RTU, Profibus, GE SRTP, DNP3 |
| Dimensions | 210mm x 150mm x 30mm |
| Weight | 0.58 kg (1.28 lbs) |
| PCB Layers | 8 |
| Onboard Components | 1 processor, 2 Ethernet controllers, 4 serial drivers, 6 memory chips |
| Connector Count | 7 (2 Ethernet, 4 serial, 1 power) |
| Status Indicators | 7 LEDs (power, link per port, activity, fault) |
| Energy Storage | 2200 µF (power filtering) |
| Isolation Voltage | 1500V (all ports to logic) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
Dual Port Connectivity and Protocol Handling
The unit includes two auto-sensing Ethernet ports for network redundancy. Therefore, you can create a fault-tolerant communication link to plant systems. This board replaces the DS200STBAG1AAA version without any configuration changes. Simply remove the old board and install this one. GE designed this control board for hot-swappable installation. Hence, you can replace it without shutting down the turbine.
Eight PCB layers separate high-speed communication traces from power circuits. Seven connectors handle all Ethernet, serial, and power signals. The GE DS200SLCCG4ACC DS200STBAG1AAA holds 2200 µF of capacitance for stable operation. Accordingly, it maintains network connectivity during minor power fluctuations. Seven status LEDs show power, link, activity, and fault conditions clearly.
Serial Interface and Installation Guide
Four software-selectable serial ports support both RS-232 and RS-485 standards. You can connect legacy devices without external converters or adapters. The GE DS200SLCCG4ACC DS200STBAG1AAA works with all GE Mark V control systems. Always use shielded cable for serial connections longer than 15 meters. Proper termination of RS-485 networks prevents signal reflection errors.
The onboard processor handles protocol conversion between serial and Ethernet. A loss of network connection does not affect turbine control functions. The GE DS200SLCCG4ACC DS200STBAG1AAA delivers reliable communication for turbine data exchange. Installation requires only a screwdriver for power and serial connections. This board operates in non-condensing environments with adequate ventilation.