GE | IS200TRPAH2AHE | Mark VIe Speedtronic ™ Redundant processor group
Product Description
The IS200TRPAH2AHE is a Redundant Processor Assembly from GE’s Mark VIe Speedtronic™ Series, designed for high-reliability turbine control in critical industrial applications. It serves as the computational core for gas/steam turbine management systems.
Key Specifications
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Parameter
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Specification
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Part Number
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IS200TRPAH2AHE
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Series
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GE Mark VIe Turbine Control System
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Processor
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PowerPC-based dual-core CPU
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Memory
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512 MB DDR2 RAM (expandable)
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I/O Interface
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VME64x backplane, Ethernet (TCP/IP), RS-485 serial
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Redundancy Support
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TMR (Triple Modular Redundancy) or dual-redundant configurations
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Operating Temp.
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-40°C to +70°C (-40°F to +158°F)
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Power Input
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5V DC via backplane (20W max)
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Revision Suffix
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“AHE” = Radiation-hardened variant for nuclear environments
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Certifications
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UL 508, CE, IEC 61508 SIL 3, IEEE 603 (Nuclear Class 1E)
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Key Features
- Fault-Tolerant Architecture
- Synchronized dual-processor operation with automatic failover (<50ms switchover).
- Radiation Hardening
- “AHE” suffix denotes qualification for nuclear safety systems (resistant to neutron/gamma radiation).
- Real-Time Performance
- Deterministic execution of control algorithms (≤1ms cycle time).
- Secure Communications
- Embedded firewall, encrypted data exchange via Ethernet.
- Diagnostic Capabilities
- Onboard LEDs for CPU status, memory errors, and network activity monitoring.
Functional Role
- Primary Function: Executes turbine control logic (speed governing, temperature limits, sequencing) and interfaces with I/O packs (e.g., IS200TBCIH, IS200TDBTH).
- Critical Safeguard: Enables automatic turbine shutdown during overspeed/vibration events.
Applications & Industries
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Industry
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Use Case
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Nuclear Power
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Safety-related turbine control (Class 1E systems).
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Combined-Cycle Plants
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Gas/steam turbine coordination and load balancing.
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Oil & Gas
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Offshore platform turbine control (API 670 compliance).
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Marine Propulsion
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Naval vessel turbine management.
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Industrial Cogeneration
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Process steam and power synchronization.
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Integration & Compatibility
- Mounting: Installed in VME64x chassis (e.g., IC693CHS391, IC693CHS397).
- Software: Programmed via GE’s ToolboxST™ (IEC 61131-3 compliant).
- Networking: Connects to HMI/SCADA via EGD (Ethernet Global Data) protocol.
- Redundancy: Pairs with IS200TRPGH2A for TMR configurations.
Precautions
⚠️ Obsolescence Note: Part of legacy Mark VIe systems; verify compatibility with Mark VIeS upgrades.
⚠️ ESD Sensitivity: Requires anti-static handling (<100V HBM).
⚠️ Firmware Lock: “AHE” variants require nuclear-qualified firmware (non-interchangeable with standard TRPA boards).
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