Abaco VMIVME-2528-000 128-Bit TTL Digital I/O – VMEbus
The Abaco Systems VMIVME-2528-000 is a high-density 128-bit TTL digital I/O board designed for VMEbus-based industrial control, test, and data acquisition systems. This board provides 128 channels of TTL-compatible digital input and output, enabling high-density interfacing with digital devices, sensors, and logic-level circuits in demanding applications. Its 128-bit architecture offers exceptional data throughput and parallel processing capabilities for high-performance systems.
Built to the VMEbus standard, the VMIVME-2528-000 offers seamless integration into existing VME chassis. Each channel is TTL-compatible and configurable as input or output under software control, providing flexibility for diverse interfacing requirements. The board's robust construction and comprehensive protection features ensure reliable operation in industrial and defense environments.
Key Features
128-Bit TTL I/O: 128 channels of TTL-compatible digital input and output.
VMEbus Compatibility: Standard VME form factor with A24/D32 addressing.
High Density: Maximizes I/O capacity in a single VME slot.
Configurable I/O: Software-selectable input/output configuration.
Interrupt Support: Programmable interrupts for event-driven processing.
Industrial Grade: Designed for reliable operation in harsh environments.
Status Read-Back: Software-accessible I/O states for diagnostics.
Technical Specifications
The VMIVME-2528-000 provides 128 TTL-compatible I/O channels, configurable as inputs or outputs under software control. Each channel is compatible with standard TTL logic levels (0-5V) and provides sufficient drive capability for interfacing with logic devices. The board supports both polled and interrupt-driven operation, with programmable interrupt levels for flexible system integration. Power is derived from the VME backplane, and the board includes comprehensive diagnostic features for system monitoring.
Applications
Industrial Control: High-density digital I/O for automation and machine control.
Data Acquisition: High-speed digital signal acquisition.
Test Systems: Digital test and measurement interfacing.
Defense Systems: Rugged digital I/O for military applications.
PLC Systems: High-density I/O for programmable logic control.
Integration and Configuration
Integration is straightforward with standard VMEbus connectors. Configuration is performed via software, with flexible I/O direction control and interrupt settings. Comprehensive documentation and software drivers are available to accelerate application development.
Benefits
High Density: 128 channels in a single VME slot.
Flexibility: Configurable I/O for diverse applications.
Performance: High-speed digital interfacing.
Reliability: Robust design for industrial environments.
Scalability: Multiple boards for expanded I/O.
Conclusion
The Abaco VMIVME-2528-000 128-bit TTL digital I/O board provides a high-density, high-performance solution for digital interfacing in VMEbus-based systems, making it an ideal choice for demanding industrial, test, and data acquisition applications.




