VMIC VMIVME-1111 64-Bit High-Voltage Digital Input Board – VMEbus

The VMIC VMIVME-1111 is a high-performance 64-bit high-voltage digital input board designed for VMEbus-based industrial control, defense, and test systems. Identified by part number 333-001111-000D, this board provides 64 channels of high-voltage digital input, enabling robust interfacing with industrial sensors, limit switches, and other field devices in demanding environments. Its high channel density and voltage capability make it ideal for applications requiring reliable signal acquisition from industrial equipment.

Built to the VMEbus standard, the VMIVME-1111 offers seamless integration into existing VME chassis. Each input channel is optically isolated for enhanced noise immunity and system protection, ensuring accurate signal acquisition even in electrically noisy industrial environments. The board's 64-bit architecture provides efficient parallel data transfer for high-performance applications.

Key Features

• 64 High-Voltage Digital Input Channels: High-density input for industrial signal acquisition.

• Optical Isolation: Provides electrical isolation for noise immunity and system protection.

• Wide Input Voltage Range: Supports 5V, 12V, 24V, and 28V logic levels.

• VMEbus Compatibility: Standard VME form factor with A24/D32 addressing.

• Interrupt Capability: Programmable interrupts for event-driven processing.

• Industrial Grade: Designed for extended temperature and vibration environments.

• Status Read-Back: Software-accessible input states for diagnostics.

Technical Specifications

The VMIVME-1111 provides 64 high-voltage digital input channels with optical isolation, supporting a wide range of voltage levels for industrial sensors and switches. Each channel includes protection against overvoltage and transients, ensuring reliable operation in demanding environments. The optical isolation provides up to 2500V of isolation between the field inputs and the VMEbus.

The board supports standard VMEbus addressing and interrupt mechanisms, with power derived from the VME backplane. The 64-bit architecture enables efficient data transfer for high-speed applications. Input channels are software-accessible via memory-mapped registers, with status read-back for diagnostics.

Applications

• Industrial Control: Reading limit switches, push buttons, and proximity sensors.

• Defense Systems: Signal acquisition in military vehicle and equipment control.

• Factory Automation: Monitoring machine status and safety interlocks.

• Process Control: Monitoring field device status in industrial processes.

• Test Systems: Digital signal acquisition for automated test equipment.

Integration and Configuration

Integrating the VMIVME-1111 is straightforward with standard VMEbus connectors. Configuration is performed via onboard jumpers or software registers, allowing selection of base address, interrupt level, and input polarity. Comprehensive documentation and software drivers for VxWorks, Linux, and Windows are available to accelerate application development.

Benefits

• High Density: 64 channels in a single VME slot.

• Reliability: Optical isolation protects the VME system.

• Flexibility: Wide input range supports diverse sensors.

• Performance: 64-bit architecture provides high throughput.

• Scalability: Multiple boards can be installed for expanded I/O.

Conclusion

The VMIC VMIVME-1111 64-bit high-voltage digital input board provides a high-density, reliable solution for digital signal acquisition in VMEbus-based industrial and defense systems.