1. Basic Information

• Model: IS215UCVEH2AB (GE Mark VI Part Number); VMIVME-7614-132 (VMIC Single Board Computer); 350-017614-132 D (Material Code)

• Brand: General Electric (GE) / GE Fanuc VMIC

• Series: Mark VI Speedtronic Turbine Control System, VMIVME VMEbus Industrial SBC Series

• Core Purpose: Dual-slot VMEbus main controller / single-board computer for real-time control, data processing and communication management in GE Mark VI systems; core control unit for gas turbines, steam turbines and combined-cycle power plants.

2. Key Hardware Specifications

• Processor: Intel Celeron 300 MHz (Socket 370), 32-bit industrial-grade processor

• Memory: 32MB DRAM, 32KB battery-backed SRAM, supports CompactFlash storage (up to 512MB)

• Operating System: QNX Real-Time OS, compatible with Windows NT/2000, Linux, VxWorks

• Bus Interface: VMEbus (dual-slot 6U), mounted in Mark VI VME rack, forced-air cooling

• Communication: 1 Ethernet port (E-Net), 2×ISBUS, 1×Genius Bus; front-panel serial ports, PS/2 keyboard/mouse interface

• Status Indication: 3 front-panel LEDs (Power, Active, Selective Master) with rotating patterns for status/ redundancy indication

• Power Supply: VME backplane power (±5V, +12V, -12V)

• Environmental: Operating temp 0°C~60°C, storage temp -40°C~85°C, humidity 5%~95% non-condensing, industrial-grade vibration/EMI resistance

• Redundancy: Supports Simplex or Triple Modular Redundancy (TMR) with millisecond bumpless switching to eliminate single points of failure.

3. Core Functions

1. Real-Time Control Execution: Runs Mark VI control logic, PID regulation, closed-loop control for speed, load and temperature, meeting millisecond-level response requirements for turbine control.

2. Data Acquisition & Processing: Collects analog/digital signals from I/O modules, performs filtering, calculation, alarm and trend logging for system diagnostics.

3. Multi-Bus Communication Management: Interfaces with I/O, HMI, DCS and other controllers via Ethernet, ISBUS and Genius Bus for data exchange and remote monitoring.

4. Redundancy & Fault Protection: TMR architecture with automatic master/slave switchover; built-in watchdog timer with auto-reset on abnormal conditions for continuous operation.

5. System Diagnostics & Maintenance: LED status, remote diagnostics, event logging for fast fault location; supports hot-swap maintenance.

4. Key Advantages

• High-Reliability Redundant Design: TMR redundancy, wide-temperature, anti-interference design for harsh critical environments (power plants, oil & gas), ensuring uninterrupted operation.

• Seamless System Integration: Native compatibility with Mark VI and VMIVME VME platforms, plug-and-play with no extra configuration.

• Strong Real-Time Performance: QNX RTOS + high-speed processor for deterministic, low-latency turbine control.

• Easy Maintenance & Diagnosis: LED indicators, standard interfaces, modular design to minimize downtime.

5. Typical Applications

• Gas/Steam/Combined-Cycle Power Plants: Main controller for Mark VI systems, providing full control of speed, load, excitation and protection.

• Petrochemical & Offshore Platforms: Control systems for industrial turbines and compressors, meeting hazardous area safety requirements.

• Power & Energy Industry: Real-time control, data acquisition and safety protection for critical rotating machinery.