Product Short Description
Product Introduction
The GE DS200TCCAG1BAA is a TC2000 Common Analog I/O Board (TCCA) in the Mark V Speedtronic DS200 series, acting as a high-precision interface for analog signal processing in turbine control. It features an 80196 microprocessor and multiple PROM modules for firmware-driven signal conditioning, and integrates 16 analog input channels, 16 analog output channels, two 50-pin connectors (JCC/JDD), and a side-mounted status LED. It mounts in the Mark V C core, processing thermocouple, RTD, 4-20 mA, and ±10 V signals with 12-bit resolution and 0.1% FS accuracy, and includes 1500 Vrms isolation between field and logic circuits. The board uses optoelectronic isolation to suppress interference, supports software configuration, and has normal PCB coating for harsh industrial durability. It is designated Group 1 with artwork/functional revisions A/B/A, and is supported by the GEH-6153 reference manual, enabling seamless integration into Mark V architectures for critical turbine monitoring and control.
Description
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | GE (General Electric) Mark V Speedtronic DS200 Series |
| Model | DS200TCCAG1BAA |
| Product Type | TC2000 Common Analog I/O Board (TCCA), Group 1, Revisions A/B/A |
| Application | Mark V Speedtronic Gas/Steam Turbine Control Systems |
| Mounting | Mark V C core, full VME slot via P1 connector |
| Processor | Intel 80196 microprocessor |
| Memory | Multiple PROM modules (firmware storage) |
| Analog I/O Channels | 16 analog inputs, 16 analog outputs |
| Input Signal Ranges | 4-20 mA, ±10 VDC; thermocouple, RTD |
| Output Signal Ranges | 4-20 mA, ±10 VDC |
| Resolution | 12 bits (input/output) |
| Accuracy | 0.1% FS |
| Isolation | 1500 Vrms (field-logic circuits) |
| Connectors | 2×50-pin (JCC/JDD), ribbon cable interfaces |
| Status Indicator | 1 side-mounted LED (power/communication/fault) |
| PCB Coating | Normal Coating |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% – 95% RH (non-condensing) |
| Dimensions | Approx. 12.5 × 5.5 × 2.5 inches (317.5 × 139.7 × 63.5 mm) |
| Weight | Approx. 2.9 kg (6.3 lbs) |
| Power Supply | 5 V DC ± 5% (from VME backplane) |
| Data Transfer Rate | Up to 2 MB/s (VMEbus standard) |
| Compliance | IEC 61010-1, IEC 61326-1 |
| Reference Manual | GEH-6153 |
Functional Features
- High-Precision Signal Conversion: 12-bit resolution and 0.1% FS accuracy ensure precise analog signal acquisition and output for critical turbine parameters.
- Dual I/O Channel Density: 16 inputs + 16 outputs handle multi-point monitoring/control of temperature, pressure, flow, and position simultaneously.
- Microprocessor-Driven Control: 80196 microprocessor enables firmware-based signal filtering, scaling, and calibration for consistent performance.
- Optoelectronic Isolation: 1500 Vrms isolation suppresses noise and prevents ground loops, enhancing system reliability.
- Multi-Signal Compatibility: Supports thermocouple, RTD, 4-20 mA, and ±10 V signals for flexible turbine auxiliary system integration.
- Firmware Customization: PROM modules allow field-upgradeable firmware to adapt to changing control requirements.
- Status Monitoring: Side LED provides real-time power, communication, and fault alerts for quick diagnostics.
- Seamless System Integration: JCC/JDD connectors and VME backplane compatibility enable plug-and-play integration with Mark V C core components.
- Industrial-Grade Durability: Normal PCB coating protects against dust, moisture, and vibration in power generation environments.
- Software-Configurable I/O: Supports software-based channel assignment and signal range setting without hardware changes.
- Low Signal Distortion: Precision components maintain signal integrity for closed-loop turbine control loops.
Application Scenarios
- Gas Turbine Auxiliary Monitoring: Processes temperature, pressure, and flow signals from lubrication, cooling, and fuel systems for safe start-stop and load regulation.
- Steam Turbine Control: Interfaces with steam pressure/temperature sensors and actuators to maintain optimal turbine performance in power plants.
- Combined Cycle HRSG Control: Manages analog I/O for heat recovery steam generators, enabling efficient combined-cycle operations.
- Industrial Turbine Compressors: Handles analog signals for turbine-driven compressors in refineries and gas processing plants, withstanding harsh environments.
- Mark V System Retrofits: Replaces legacy TCCA boards in existing Mark V installations, preserving I/O compatibility and control precision.
- Turbine Commissioning: Enables reliable signal processing during calibration and validation, simplifying system setup.
- Grid-Connected Power Plants: Supports turbine load control and grid synchronization via accurate analog feedback, ensuring stable power output.
- Marine Turbine Propulsion: Integrates with shipboard Mark V systems to manage analog I/O for propulsion control, ensuring reliable at-sea operations.
- Turbine Safety System Interfacing: Transmits critical analog signals to ESD systems for safe shutdown during abnormal conditions.
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