FANUC VMIC VME-2528 128-Bit TTL Digital I/O Board – VMEbus
The FANUC VMIC VME-2528 is a high-density 128-bit TTL digital I/O board designed for VMEbus-based industrial control, PLC, 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.
Built to the VMEbus standard, the VME-2528 offers seamless integration into existing VME chassis, providing a flexible and scalable solution for system integrators requiring high-density digital I/O capabilities.
Key Features
128-bit TTL I/O: 128 channels of TTL-compatible digital I/O.
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.
Industrial Grade: Designed for reliable operation in harsh environments.
Interrupt Support: Programmable interrupts for event-driven processing.
Technical Specifications
The VME-2528 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
PLC Systems: High-density digital I/O for programmable logic control.
Industrial Control: Digital interfacing 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.
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.
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 FANUC VMIC VME-2528 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, PLC, and data acquisition applications.




