



The GE DS200SDCIG2AFB is a DC Power Supply and Instrumentation Board module used in the GE Speedtronic Mark V turbine control system. It is designed to provide regulated DC power, SCR gate control support, and instrumentation interface functions for industrial drive and excitation systems.
This board is widely applied in DC2000 drives and turbine control architectures, where stable power delivery and precise signal conditioning are essential for safe and continuous operation. It represents a key functional layer between high-voltage power input and sensitive control electronics.
Technical Specifications
The DS200SDCIG2AFB integrates power conversion, control interfacing, and protection circuitry into a single industrial-grade PCB.
| Parameter | Specification |
|---|---|
| Module Type | DC Power Supply & Instrumentation Board |
| Series | GE Speedtronic Mark V (DS200 Series) |
| Functional Code | SDCI |
| Group Variation | G2 |
| Input Voltage | Up to 600 VAC |
| Output Function | Regulated DC logic power |
| Application | DC2000 drives / external exciters |
| SCR Control | Armature SCR gate driver circuits |
| Motor Field Circuit | Supported (non-SCR configuration) |
| Protection | Internal control and interface protection circuits |
| Jumpers | User-configurable (system matching required) |
| Operating Temperature | 0°C to 60°C |
| Mounting | Rack-mounted PCB in control cabinet |
| Revision Level | AFB (multiple design revisions) |
The module is specifically engineered for high-voltage industrial drive environments, ensuring stable conversion and reliable control of SCR-based power systems.
Physical Dimensions & Weight
| Item | Value |
|---|---|
| Dimensions (H × W × D) | ~160 × 160 × 120 mm |
| Weight | ~0.8–1.0 kg |
Recommended Related Models
- DS200SDCIG2AHB – alternate revision power supply board
- DS200IMCPG1CCA – Mark V power interface board
- DS200IMCPG1CGC – IGBT power supply interface board
- DS200SDCCG1 – drive control CPU board
- GE Mark VI / Mark VIe upgrade systems
Popular GE & Industrial Models
- GE Speedtronic Mark V turbine control system
- GE Mark VI / Mark VIe control platforms
- Siemens SPPA-T3000 turbine systems
- ABB industrial drive control systems
- Woodward turbine excitation and control modules