Description
- Product Model: IS215UCVEM01A
- Manufacturer: GE
- System Platform: Mark VI Speedtronic
- Processor Type: Intel Celeron 300 MHz embedded processor
- Memory: 32 MB DRAM primary runtime memory
- Flash Storage: 16 MB base Compact Flash for OS, application code, and non-volatile data
- Operating System: QNX real-time OS ensuring deterministic execution
- Ethernet Interfaces: Dual 10BaseT/100BaseTX RJ-45 ports (one primary IONet, additional for redundancy or external networks)
- Additional Interfaces: COM1 (RS-232 diagnostics), COM2 (Modbus/serial), keyboard/mouse port, SVGA support
- Power Requirements: +5 V DC (6 A typical, 8 A max), +12 V/-12 V DC (180-250 mA) from VME backplane
- Operating Temperature Range: -30°C to +65°C, suitable for turbine control enclosures
- Humidity Tolerance: 5% to 95% non-condensing, with conformal coating for environmental protection
- Mounting Type: Single-slot VME rack (13- or 21-slot compatible)
- Dimensions (approx.): Standard VME 6U form factor, approximately 160 mm x 233 mm
- Weight: Approximately 0.8-1.2 kg
- Certification Standards: CE compliant, UL recognized for industrial control equipment, meets IEEE/ANSI turbine standards
- Mean Time Between Failures (MTBF): >100,000 hours in continuous duty
- Diagnostic Features: Multi-LED front panel for power, status, Ethernet activity, fault, and reset button
- Mezzanine/Subsystem: Incorporates VMIVME-7614-133 (350-017614-133 E) for enhanced Ethernet and interface capabilities
Technical Architecture & Functional Positioning
The IS215UCVEM01A assembly, built around the IS215UCVEH2AF base with integrated VMIVME-7614-133 components, functions as the primary VME processor in Mark VI systems. Installed in a dedicated VME slot, it runs turbine-specific application software under QNX RTOS, processing inputs from I/O packs, executing governor/sequencer/protection algorithms, and managing TMR synchronization where required. The dual Ethernet ports enable robust IONet communication for distributed I/O and HMI/SCADA integration.
The architecture features a 300 MHz Celeron processor, flash-based storage for persistent code, and enhanced mezzanine support (via VMIVME-7614-133) for additional network flexibility. This design solves core engineering challenges: achieving deterministic control loops for overspeed/over-temperature protection, providing redundancy pathways to eliminate single-point failures, and supporting online diagnostics/maintenance in high-availability power plants.
The H2AF/UCVEM01A configuration offers upgraded Ethernet and interface options compared to base UCVE models, optimizing rack space while enabling scalable TMR setups for large turbines or plant-wide coordination.
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