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XYCOM XVME-674 – VMEbus Single-Slot PC/AT Processor Module
Product Overview
The XYCOM XVME-674 is a robust single-slot VMEbus PC/AT processor module manufactured by XYCOM (now an ABB subsidiary), designed for embedded industrial computing applications. It addresses the challenge of delivering reliable PC-compatible processing power while maintaining VMEbus real-time characteristics in harsh industrial environments. The module integrates a 33 MHz 80486DX or 66 MHz 80486DX2 CPU, up to 32 MB DRAM, and comprehensive I/O capabilities, making it ideal for process control, manufacturing automation, and defense systems requiring stable performance under extreme conditions. The XVME-674 eliminates the need for multiple boards by combining processing, memory, graphics, and I/O functions in a single 6U VME form factor.
Technical Specifications — XVME-674
| Parameter | Value |
|---|---|
| Product Model | XVME-674 |
| Manufacturer | XYCOM (ABB) |
| Product Type | VMEbus Single-Slot PC/AT Processor Module |
| Power | +5V DC, +12V DC, -12V DC (VMEbus standard power), 25W max |
| Communication / Protocol | VMEbus (IEEE 1014-1987), RS-232C (2 ports), Parallel port (1), VGA |
| Operating Temperature | -40°C to +85°C (extended industrial range) |
| Mounting | 6U VMEbus chassis, single-slot (160mm × 100mm) |
| Dimensions (HxWxD) | 233mm × 160mm × 35mm (6U VME standard) |
| Weight | 0.9 kg |
| Typical Interfaces | VMEbus backplane connector, 2×RS-232, 1×parallel, VGA video output |
| Compliance | IEEE 1014, VMEbus standard, CE, UL 508, IEC 61010-1 |
XYCOM XVME-674
Key Features and Benefits — XVME-674
- Single-slot design maximizes VMEbus chassis space utilization while delivering complete PC/AT functionality
- 486-class processor provides balanced computing power for industrial real-time applications
- Onboard VGA graphics eliminates need for separate video cards, enabling local system monitoring
- Integrated hard disk and floppy disk controllers support embedded storage solutions
- VMEbus interrupter circuit allows local CPU to generate 7 levels of VMEbus interrupts
- Extended temperature range and vibration resistance ensure reliability in harsh operating conditions
Related Models
- XVME-675: Enhanced version with 100 MHz Pentium processor and up to 64 MB DRAM
- XVME-650: Entry-level VMEbus CPU module with 386SX processor for cost-sensitive applications
- XVME-710: VMEbus I/O expansion module with 64 digital I/O channels compatible with XVME-674
- XVME-730: Serial communication module adding 8 RS-485 ports for distributed I/O networks
Installation and Maintenance — XVME-674
Install the XVME-674 in a compatible 6U VMEbus chassis, ensuring proper alignment with the backplane connector and secure locking with the front panel screws. Connect peripheral devices to the RS-232, parallel, and VGA ports as required. Configure memory size and system parameters using the onboard DIP switches according to the application requirements. Routine maintenance includes quarterly inspection of cooling fans and connectors, annual cleaning of dust filters, and periodic firmware updates if available. Use only ABB/XYCOM certified replacement components to maintain system compatibility and safety compliance. Store spare modules in anti-static packaging in a temperature-controlled environment to preserve component integrity.
