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The IS200AEPCH1ABC is a critical component of General Electric’s (GE) Speedtronic Mark VI turbine control system. It functions as a Processor Card responsible for executing control algorithms, managing I/O communication, and ensuring real-time operation of industrial turbines. Below is a detailed overview based on available specifications and industry documentation:
- Model: IS200AEPCH1ABC
- Manufacturer: General Electric (GE)
- Series: Speedtronic Mark VI
- Function: Main processor card for turbine control and monitoring
- Compatibility: Designed for use in Mark VI control systems (VMEbus architecture)
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Processor & Memory
- CPU: PowerPC 604e processor (333 MHz)
- Memory: 64 MB DRAM, 8 MB Flash memory
- Firmware: Field-upgradable via GE’s Proficy* software suite
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Communication Interfaces
- Primary Bus: VME64x interface (32-bit/64-bit data path)
- Redundant Communication: Supports dual redundant communication links
- I/O Connectivity: Direct interface with I/O modules (e.g., IS200ACICG1A)
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Operating Environment
- Temperature Range: -40°C to +70°C (storage), -20°C to +60°C (operating)
- Humidity: 5-95% non-condensing
- Vibration: 0.5g RMS (5-500 Hz) per IEEE 344 standard
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Physical Characteristics
- Form Factor: 6U VME card (160mm × 233.35mm)
- Weight: ~1.5 kg
- Power Requirements: 24VDC ±10%, 25W max

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- Real-Time Control: Executes turbine control algorithms with millisecond precision
- Redundancy Support: Can operate in simplex, duplex, or triple modular redundancy (TMR) configurations
- Fault Tolerance: Built-in self-test (BIST) and error correction mechanisms
- Diagnostics: Comprehensive health monitoring with LED indicators and remote diagnostic capabilities
- Power Generation: Gas turbines, steam turbines, combined cycle plants
- Industrial Processes: Turboexpanders, compressors, and other rotating equipment
- Energy Management: Grid synchronization and load control

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- Mounting: VMEbus backplane with DIN rail support
- Hot-Swap: Yes (with proper system configuration)
- Maintenance: Field-replaceable unit (FRU) with modular design
- Compatible with other Mark VI modules (e.g., I/O cards, communication modules)
- Requires GE’s Proficy HMI/SCADA – CIMPLICITY* software for configuration and monitoring

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