GE IS400TDBTH2A Product Specification
1. Product Overview
The GE IS400TDBTH2A is a high-reliability turbine digital control module designed for GE’s Mark VIe distributed control system (DCS), specifically tailored for steam and gas turbine control applications. As a key component in turbine protection and regulation, it processes critical sensor data (e.g., speed, temperature, pressure) and executes precise control signals to ensure stable turbine operation. Widely used in power generation, oil & gas, and industrial energy systems, this module combines robust performance with seamless DCS integration, meeting the stringent requirements of mission-critical turbine control.
Compliant with international standards including IEC 61508 (SIL 3), IEEE 1588 (PTPv2), and EN 61326-1 (EMC), the IS400TDBTH2A features high-speed data processing, galvanic isolation, and built-in fault tolerance. It integrates with GE’s CIMPLICITY and Turbine Control Studio software, providing engineers with a comprehensive solution for turbine control system design and maintenance.
2. Technical Parameters & Specifications
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Category
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Details
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Product Model
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GE IS400TDBTH2A
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Product Type
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Turbine Digital Control Module (SIL 3 Certified)
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Compatible DCS
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GE Mark VIe, Mark VI
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Input/Output Channels
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8 Analog Inputs (4-20 mA); 4 Analog Outputs (4-20 mA); 8 Digital I/Os
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Processing Speed
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333 MHz 32-bit Microprocessor; Cycle Time ≤ 1 ms
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Analog Accuracy
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±0.05% Full Scale (FS) for Inputs; ±0.1% FS for Outputs
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Communication Interfaces
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Ethernet (100/1000 Mbps); PROFINET; Modbus TCP; IEEE 1588 PTPv2
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Memory
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512 MB DDR3 SDRAM; 256 MB Flash Memory
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Isolation
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Channel-to-Channel: 1 kV DC; Channel-to-Backplane: 2.5 kV DC
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Power Supply
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24 V DC ±15%; Typical Power: 12 W; Maximum Power: 18 W
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Environmental Ratings
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Operating Temp: -20°C–70°C; Humidity: 5%–95% (Non-Condensing); Vibration: 5–2000 Hz, 10 g
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Certifications
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IEC 61508 (SIL 3); IEEE 1588; EN 61326-1; UL 61010-1; CE; RoHS
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3. Key Features
3.1 Precision Turbine Control
Equipped with a 333 MHz high-performance microprocessor and ≤1 ms cycle time, the module enables real-time processing of turbine operating parameters (speed, load, temperature) and precise control of fuel valves and steam governors. The ±0.05% FS analog input accuracy ensures reliable capture of critical sensor data, laying the foundation for stable turbine operation.
3.2 SIL 3 Safety & Fault Tolerance
Certified to IEC 61508 SIL 3, the module integrates dual-core redundant processing and built-in fault diagnostic functions (e.g., sensor drift detection, communication failure alert). 2.5 kV DC galvanic isolation prevents electrical interference, protecting the control system from field-side voltage surges and ensuring safe operation in over-speed or emergency shutdown scenarios.
3.3 High-Speed Synchronized Communication
Support for IEEE 1588 PTPv2 precision time protocol ensures sub-millisecond synchronization with other Mark VIe modules, critical for coordinated control of multi-turbine systems. Gigabit Ethernet and PROFINET interfaces enable high-speed data transmission, facilitating real-time monitoring and remote control via GE’s CIMPLICITY software.
3.4 Rugged Design for Industrial Environments
Engineered with industrial-grade components and a reinforced PCB, the module withstands extreme temperatures (-20°C–70°C), high vibration, and electromagnetic interference (EMI). Its wide input voltage range (24 V DC ±15%) adapts to unstable power supplies in industrial sites, ensuring continuous operation under harsh conditions.
4. Related GE Products
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GE IS400TSRTH2A: Turbine speed control module, paired with IS400TDBTH2A for enhanced speed regulation and over-speed protection.
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GE IS400IOBH2A: High-density I/O module, expanding the input/output capacity of IS400TDBTH2A-based control systems.
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GE IS400EXBH2A: Explosion-proof communication module, ideal for IS400TDBTH2A use in hazardous areas (Zone 2).
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GE Mark VIe Controller (IC698CPE030): Central processing unit for GE DCS, providing seamless control with IS400TDBTH2A.
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GE Turbine Control Studio: Engineering software for configuring IS400TDBTH2A, featuring turbine-specific control algorithms and simulation tools.
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