XYCOM XVME-979 Overview
The XYCOM XVME-979 is a VMEbus-based storage and peripheral module developed by XYCOM, designed primarily to expand disk, floppy disk, or CD-ROM interfaces in industrial computer systems. This model offers multiple storage configurations across different sub-models, as shown below:
| Sub-Model | Function Description | Remarks |
|---|---|---|
| XVME-979/1 | 3.5-inch 1.44 MB floppy disk drive + front-panel interface | Suitable for legacy systems requiring floppy disk backup |
| XVME-979/2 | Standard hard disk (IDE) + floppy disk interface | Commonly used in VME chassis requiring large-capacity hard disk storage |
| XVME-979/3 | CD-R/W drive + floppy disk interface | Supports optical disk read/write for industrial applications |
| XVME-979/4 | CD-R/W + standard hard disk + floppy disk interface | Comprehensive storage solution with maximum compatibility |
Main Technical Specifications (Example: XVME-979/1)
- Form Factor: 6U (double-width) VME slot
- Power Supply: +5 V, +12 V (VME standard compliant)
- Interfaces: VMEbus main bus; front-panel 3.5-inch floppy disk interface (1.44 MB)
- Communication Protocol: I/O access method compatible with VMEbus specifications
- Programming Languages: Supports IEC 61131-3 (PLC) and general C language drivers
Application Scenarios
- Industrial Automation Control Systems: Provides local storage or offline backup for PLCs and embedded controllers.
- Field Data Acquisition: Used in field stations where local disk buffering is required.
- Legacy System Upgrades: Offers modern storage interfaces for older VME devices still relying on floppy disks or CD-ROMs.
- Embedded Computing Platforms: Serves as a hot-swappable storage module in reliable, interference-resistant industrial PC environments.
Summary
The XYCOM XVME-979 series is a multifunctional storage module designed for industrial VMEbus platforms, offering flexible combinations of floppy disk, hard disk, and CD-R/W storage media. It is ideal for applications requiring reliable local storage, including automation control, data acquisition, and legacy system modernization.
When selecting a sub-model, users should choose according to the required storage media type and system compatibility.
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ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
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