1. Basic Information

• Model: IS200PMCIH1ABA

• Brand/Series: General Electric (GE), Speedtronic Mark VI / Mark VIe Gas/Steam Turbine Control System, IS200 Series Main Processor Board

• Core Position: PMAC (Programmable Multi-Axis Controller) main processor module for Mark VIe systems, responsible for core control computation, real-time data processing, communication management and redundant control, serving as the core computing unit of turbine control systems.

2. Core Hardware Specifications

• Processor: Freescale PowerPC 8349, 667 MHz clock speed, high-performance industrial real-time processing capability.

• Operating System: QNX real-time multitasking OS, millisecond-level response, high reliability and strong real-time performance for industrial control demanding scenarios.

• Bus/Architecture: VME bus architecture, single-slot/base mounting, compatible with TMR (Triple Modular Redundancy) architecture, supporting three-module parallel redundant operation.

• Power Supply: 18–36 VDC, wide industrial voltage input, suitable for power plant field power environments.

• Operating Environment: -40°C to 70°C, industrial-grade wide temperature, vibration and interference resistant, meeting harsh conditions in power/energy fields.

• Structure: Boxed embedded design, front-panel communication ports, heat dissipation grilles, rack base mounting, compact and reliable.

3. Interfaces & Communication

• Dual 10/100BaseTX Ethernet (RJ45), supporting UDH, Modbus, EGD and peer-to-peer redundant communication for system networking and remote monitoring.

• Multiple serial ports (RS232/RS485) for commissioning, DCS connection and field device communication.

• Supports ISBus, Genius and other industrial buses, compatible with Mark VIe system I/O expansion and field device access.

• Status LEDs, reset button, local debug interface for easy installation, diagnostics and maintenance.

4. Core Functions & Applications

• Executes core control logic and real-time computation for turbine speed regulation, protection, sequence control and load adjustment.

• Performs data acquisition, signal processing, fault diagnosis and redundant switching to ensure continuous and stable system operation.

• Supports system configuration, program download, online monitoring and remote maintenance; compatible with TMR triple-modular redundancy architecture to enhance system reliability.

• Applications: GE Speedtronic Mark VI/Mark VIe control systems for gas turbines, steam turbines, combined-cycle power plants and petrochemical power units, used for main control upgrades, spare parts replacement and system retrofits.