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GE VMIVME-7696 high-performance single-board computer

The VMIVME-7696 is a high-performance VMEbus single-board computer (SBC) designed for embedded industrial and real-time control applications. It integrates advanced computing capabilities with robust I/O interfaces, enabling seamless integration into demanding automation and data acquisition systems.

Detailed content

Technical Specifications:

 

  • Processor: Intel Pentium II MMX 450 MHz (mobile module) with 32-bit addressing and 64-bit data bus, featuring a 512 KB internal L2 cache for high-bandwidth operations .
  • Memory:
    • Up to 512 MB SDRAM (144-pin SODIMM) for main storage.
    • 96 MB bootable flash memory for firmware and OS storage.
    • 128 KB battery-backed SRAM for non-volatile data retention .
  • I/O Interfaces:
    • Communication: Dual 10/100Base-T Ethernet ports, two RS-232 serial ports, PS/2 keyboard/mouse, and USB 1.1 .
    • Storage: Ultra DMA-33 IDE controller (supports HDD/floppy via VME P2 connector) and Fast/Wide SCSI-2 (requires P2 SCSI terminator) .
    • Expansion: Single PMC (PCI Mezzanine Card) slot compliant with IEEE P1386 for modular I/O extension .
    • Graphics: AGP SVGA controller with 4 MB SGRAM supporting resolutions up to 1280×1024 .
  • Bus Support:
    • Full VMEbus compliance (P1/P2 connectors) with support for VME64 modes: A32/A24 addressing and D32/D16/D08 data transfers.
    • BLT (Block Transfer) and MBLT (Multiple Block Transfer) protocols for high-speed data streaming .
  • Power: Requires +5V DC (max 5A) and ±12V DC (max 1A); typical power consumption ≤25W .
  • Environmental:
    • Operating temperature: 0°C to 55°C (industrial range).
    • Mechanical: Withstands shock (50g, 11ms) and vibration (10g, 10–2000 Hz) .

 

Functional Features:

 

  • Real-Time Performance:
    • Direct Memory Access (DMA) support for deterministic data transfer, minimizing CPU intervention.
    • Three programmable 32-bit timers and software-selectable watchdog timer for critical timing tasks .
    • Hardware-based endian conversion (little/big-endian) for multi-platform compatibility .
  • Software Compatibility:
    • Drivers available for Windows NT, Linux, VxWorks, QNX, and Solaris, facilitating integration with real-time OS (RTOS) .
    • Remote booting via Ethernet or flash, enabling diskless operation in distributed systems .
  • Reliability:
    • Galvanic isolation on analog/digital signals to protect against ground loops.
    • Built-in bus error handling and diagnostics for fault detection .
  • Flexibility:
    • PMC expansion for adding custom I/O modules (e.g., analog I/O, motion control).
    • Jumpers for hardware configuration (e.g., boot device priority, bus timing) .

 

Application Scenarios:

 

  • Industrial Automation:
    • Controls robotic systems and CNC machines by integrating real-time motion control algorithms with sensor feedback.
    • Manages conveyor systems and packaging equipment through high-speed I/O synchronization .
  • Process Control:
    • Monitors temperature, pressure, and flow in chemical plants, providing closed-loop feedback for precision regulation.
    • Coordinates distributed control systems (DCS) in power generation facilities .
  • Aerospace and Defense:
    • Implements flight simulators by processing resolver signals from hydraulic actuators and joysticks.
    • Supports radar antenna positioning systems with sub-degree accuracy for tracking and targeting .
  • Medical Equipment:
    • Processes physiological signals in diagnostic devices (e.g., MRI scanners) and controls robotic surgical arms with sub-millimeter precision .
  • Transportation:
    • Manages railway signaling systems by monitoring resolver-based track switch positions.
    • Controls motorized door systems in metro trains for safe, reliable operation .

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