Digital guide
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GE VMIVME-7486
1. Core Architecture
- Processor: Intel Ultra Low Voltage Celeron at 400 MHz or 650 MHz, with 256 KB on-die L2 cache and 100 MHz system/memory bus .
- Memory:
- SDRAM: Up to 512 MB PC-100 SDRAM .
- Non-Volatile Storage: 1 GB CompactFlash (configurable as boot device) .
- Bus Compatibility: 100% PC/AT compatible with VME64 support (A32/A24/D32/D08(EO)/MBLT64/BLT32 modes) .
- Form Factor: 6U VMEbus single-slot Eurocard (233.4 mm × 160 mm × 20.3 mm) .
Detailed content
2. Interfaces & Connectivity
- Network: Dual 10/100BaseTX Ethernet via front-panel RJ45 connectors .
- Serial Ports: Two 16550-compatible RS-232C ports (up to 115 Kbaud) .
- Peripheral Ports:
- Front-panel USB 2.0 ports, parallel Centronics port, PC/AT keyboard interface .
- Video: Integrated SVGA controller with 1 MB video DRAM, supporting 1,024 × 768 non-interlaced resolution .
- Expansion: PMC site (IEEE 1386.1) for I/O modules (e.g., MIL-STD-1553, fiber optics) .
3. Control & Diagnostics
- Real-Time Clock: On-board battery-backed clock for timestamping .
- Watchdog Timer: Programmable intervals for system recovery during faults .
- Built-in Diagnostics: LED indicators for power, network, and fault status .
4. Environmental & Electrical
- Operating Temperature: 0°C to +70°C (industrial standard) .
- Power Requirements: +5VDC ±5% (4.0A typical), ±12VDC (minimal draw) .
- Compliance: CE Mark, RoHS, CISPR 22 EMC immunity .
- MTBF: 431,524 hours (Bellcore standard) .
Functional Features
1. High-Performance Embedded Control
- VMEbus System Controller: Handles bus arbitration, interrupt management (IRQ1–IRQ7), and DMA transfers .
- Endian Conversion Hardware: Seamless interoperability between big-endian (Motorola) and little-endian (x86) systems .
2. Real-Time Determinism
- Deterministic Data Acquisition: Auto-scan modes for fixed-interval I/O sampling .
- Low-Latency Processing: 256 KB L2 cache minimizes delay for critical control tasks .
3. Legacy System Integration
- PC/AT Backward Compatibility: Supports MS-DOS, Windows NT/2000, and real-time OS (e.g., VxWorks, QNX) .
- Seamless Peripheral Integration: On-board floppy/IDE controllers and SCSI-2 support (via VMEbus P2 connector) .
4. Reliability in Harsh Environments
- Industrial-Grade Components: Gold-plated contacts, conformal coating for humidity resistance (5–95% non-condensing) .
- Forced-Air Cooling: Requires 350 LFM airflow for thermal management .
Application Scenarios
| Domain | Use Cases | Key Capabilities Utilized |
|---|---|---|
| Industrial Automation | PLC-based control in aluminum rolling mills, robotic assembly lines | VME64 synchronization; 512 MB SDRAM for data logging . |
| Defense & Aerospace | Radar signal processing, flight simulators, avionics test stands | PMC expansion for MIL-STD-1553; endian conversion . |
| Critical Infrastructure | Power plant monitoring, rail signaling control | Watchdog timer for fault resilience; -40°C storage capability . |
| Scientific Research | High-speed data acquisition in particle accelerators | 1 GB CompactFlash for buffering sensor data . |
Technical Differentiation
| Parameter | VMIVME-7486 | Contemporary VME SBCs (e.g., Motorola MVME) |
|---|---|---|
| Processor | Intel Celeron 650 MHz | ≤100 MHz 68040 CPUs |
| Memory | 512 MB SDRAM + 1 GB Flash | ≤32 MB DRAM |
| Legacy Support | Native PC/AT + VMEbus P2 | Limited peripheral interfaces |
| Graphics | 1 MB VRAM (1024×768) | Basic framebuffer (800×600) |
Ordering & Ecosystem
- Model Suffixes:
- Base configuration: VMIVME-7486-102P (332-017486-102P) .
- Extended temperature variant: -310 (-40°C to +85°C) .
- Software Tools: Yotta Edit and Yotta Utility for configuration .
- Compatible Hardware:
- GE VMIACC-0561 SCSI termination card .
- Proficy® HMI/SCADA for system integration .
- Warranty: 12 months (global support) .
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