Technical Specifications and Board Design
This RST extended analog I/O board provides signal conditioning for GE Mark V turbine systems. The GE DS200TCQBG2A DS200TCQBG2AEB processes analog inputs and outputs for precise turbine control. You can install this board into any standard Mark V rack slot position. Its multi-layer PCB design ensures accurate signal conversion in noisy environments. The board weighs approximately 0.58 kilograms. Its dimensions measure 28 cm in height, 18 cm in width, and 2.5 cm in depth.
| Parameter | Specification |
|---|---|
| Brand | GE Energy / General Electric |
| Model | DS200TCQBG2A DS200TCQBG2AEB |
| Category | RST Extended Analog I/O Board / Signal Conditioning Card |
| Weight | 0.58 kg |
| Height | 28 cm |
| Length | 18 cm |
| Thickness | 2.5 cm |
| Number of Analog Inputs | 8 differential channels |
| Analog Input Range | ±10V DC or 4-20 mA (jumper selectable) |
| Input Resolution | 14-bit (0.0012V or 0.001 mA) |
| Input Accuracy | ±0.1% of full scale at 25°C |
| Number of Analog Outputs | 4 isolated channels |
| Analog Output Range | 0-10V DC or 4-20 mA (jumper selectable) |
| Output Resolution | 12-bit (0.0024V or 0.004 mA) |
| Output Accuracy | ±0.2% of full scale at 25°C |
| Update Rate | 10 milliseconds for all channels |
| Isolation Voltage | 1500V DC between field and logic |
| Energy Storage | Local decoupling capacitors (no battery) |
| Component Count | Single PCB with ADCs, DACs, op-amps, and optocouplers |
Analog Input Processing and Signal Conditioning
The board accepts eight differential analog signals from turbine sensors. Each channel includes programmable gain amplification for signal matching. The GE DS200TCQBG2A DS200TCQBG2AEB provides 14-bit resolution for precise measurements. Built-in anti-aliasing filters remove high-frequency noise from input signals. The board converts all eight inputs sequentially with automatic channel scanning. A front-panel LED indicates when each channel is active during scanning. The inputs tolerate overvoltage up to ±30V without damage.
Analog Output Generation and Control
Four isolated analog outputs drive actuators, valves, and positioners. Each output channel includes a programmable slew rate limiter for smooth control. The GE DS200TCQBG2A DS200TCQBG2AEB delivers 12-bit resolution for accurate positioning. You can configure each output as voltage or current independently. The board monitors output current for open-circuit detection. An orange LED illuminates when any output exceeds its programmed limit. The outputs default to a safe 0V or 4mA during system faults.
Installation and Operational Guidelines
You must insert this board into a dedicated slot in the Mark V rack. The backplane supplies 5V, +15V, and -15V DC power automatically. The GE DS200TCQBG2A DS200TCQBG2AEB draws approximately 250 mA from the 5V supply. It draws an additional 100 mA from each of the ±15V rails. You must use shielded twisted-pair cables for all analog connections. This practice prevents electrical noise from corrupting low-level signals. The board stores no configuration data independently. Therefore, the turbine controller retains all calibration and scaling values separately.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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