1. Product Overview
The GE DS200TCEAG1 is a high-performance digital expansion card developed by General Electric for the GE MARK V heavy-duty gas/steam turbine control system. As a core signal processing hardware component in the GE Speedtronic™ MARK V turbine control platform, it is responsible for high-speed digital signal acquisition, logic processing and control output, and is widely deployed in thermal power generation, petrochemical and other industrial scenarios using GE heavy-duty turbine units. It is one of the most in-demand spare parts for maintaining the long-term stable operation of legacy MARK V turbine control systems.
2. Core Technical Specifications
- Manufacturer: General Electric (GE)
- Official Part Number: DS200TCEAG1 (common variants: DS200TCEAG1ACB, DS200TCEAG1BNE, DS200TCEAG1BTF)
- Product Type: MARK V Turbine Control System Digital Expansion Module
- System Compatibility: GE Speedtronic™ MARK V Turbine Control Platform
- Number of Channels: 32 independent digital signal channels
- Maximum Sampling Rate: 25 kHz
- Measurement Accuracy: 0.05% FS
- Input Signal Range: ±5 V, ±10 V, ±20 V
- Operating Temperature Range: -20 °C to +60 °C
- Protection Rating: Industrial-grade IP20
- Mounting Form: Standard MARK V system rack slot installation
- Dimensions: 431.8 mm × 178 mm × 43 mm
- Weight: Approximately 6.8 kg
- Warranty: 12 months standard for new units
3. Key Features & Advantages
- Ultra-High-Speed Data Acquisition: The 25 kHz maximum sampling rate and 32 independent channels can collect all key operating parameters of the turbine in real time, ensuring that the control system can capture transient abnormal signals of the unit without missing any fault details.
- Extremely High Measurement Precision: The 0.05% FS measurement accuracy ensures that the collected turbine operating data is highly consistent with the actual value, providing an accurate data basis for the turbine control system to execute precise regulation logic.
- Excellent Industrial Environmental Adaptability: The -20 °C to +60 °C wide operating temperature range and industrial-grade anti-interference design ensure long-term stable operation in harsh turbine control cabinet environments, resisting strong electromagnetic interference and large temperature fluctuations.
- Full Native System Compatibility: It is natively matched with the GE MARK V turbine control system, no complex secondary development or protocol conversion is required, and technicians can complete module configuration and commissioning through the official GE system software quickly.
- Hot-Swap Support: The module supports live insertion and removal during system runtime, allowing maintenance teams to replace faulty units without shutting down the turbine unit, drastically reducing planned maintenance downtime.
4. Typical Applications & Real-World Value
This digital expansion module is a mission-critical spare part for facilities operating GE MARK V turbine control systems, delivering tangible operational and economic benefits.
- In large thermal power plant steam turbine control systems, it stably collects key operating parameters such as turbine speed, valve position and vibration, ensuring that the MARK V control system can accurately execute regulation and protection logic, and maintain the stable operation of the power generation unit.
- In petrochemical plant industrial gas turbine drive compressor systems, the module’s high sampling rate ensures that the control system can quickly respond to transient load changes of the compressor, effectively preventing surge and other abnormal working conditions.
- For operation and maintenance teams managing existing GE MARK V systems, the module is fully backward compatible with the original system architecture, allowing users to replace faulty units without modifying existing turbine control logic, extending the service life of the legacy MARK V control system at a very low hardware investment.
- In industrial facilities that have not yet completed the upgrade of their turbine control systems, the stable global spare parts supply of this module effectively avoids the huge cost of replacing the entire MARK V control system, and can extend the service life of existing turbine control assets by 5–10 years.
5. Common Variant Reference Price Range
- DS200TCEAG1ACB: 666 – 5477 RMB/unit
- DS200TCEAG1BNE: 666 – 5889 RMB/unit
- DS200TCEAG1BTF: 8888 RMB/unit


