Abaco VMIVME 4116 8-Channel 16-Bit Resolution Analog Output Board – VMEbus

The Abaco VMIVME 4116 is a high-precision 8-channel analog output board designed for VMEbus-based industrial control, test, and automation systems. This board provides eight independent analog output channels with 16-bit resolution, enabling exceptionally precise generation of voltage and current signals for driving actuators, control valves, and other analog devices in demanding applications. Its high resolution and accuracy make it ideal for applications requiring fine-grained control and low output noise.

Built to the VMEbus standard, the VMIVME 4116 offers seamless integration into existing VME chassis. Each channel features a high-performance 16-bit digital-to-analog converter (DAC) with programmable output ranges, ensuring stable and accurate signal generation across a wide variety of industrial control scenarios. The board's robust construction and comprehensive protection features ensure reliable operation in harsh environments.

Key Features

• 8 Analog Output Channels: High-density output for multi-channel control and simulation.

• 16-Bit Resolution: Provides 65,536 discrete output levels for exceptionally fine control.

• Programmable Output Ranges: Software-selectable voltage and current output ranges.

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

• High Accuracy: Precision voltage reference and low-drift components for stable performance.

• Simultaneous Update: All channels can be updated simultaneously for coherent output changes.

• Output Protection: Short-circuit and overvoltage protection on each channel.

• Industrial Grade: Designed for extended temperature operation and reliable performance in harsh environments.

Technical Specifications

The VMIVME 4116 provides eight analog output channels, each with a 16-bit DAC and precision output amplifier. Output ranges are software-selectable, typically including ±5V, ±10V, 0-5V, 0-10V, and 4-20mA current outputs. Each channel features a settling time of typically less than 10 microseconds for full-scale changes, ensuring rapid response for control applications. The board includes a high-stability voltage reference and low-drift components for consistent performance over temperature and time.

Power is derived from the VME backplane. The board supports both individual and simultaneous channel updates, with onboard memory for storing output values and configuration settings. Comprehensive diagnostic features include power-on self-test and output status monitoring.

Applications

• Process Control: Driving control valves, VFDs, and actuators in industrial processes.

• Test Systems: Multi-channel signal generation for automated test equipment.

• Factory Automation: Analog control of industrial equipment and machinery.

• Simulation: Generating high-precision sensor simulation signals.

• Servo Control: Generating reference voltages for motion control systems.

• Medical Equipment: Precision control in diagnostic and therapeutic devices.

Integration and Configuration

Integrating the VMIVME 4116 into a VME system is straightforward. The board plugs into any standard VME chassis and is configured via software. Onboard registers control output values, range selection, and update modes. The board supports VMEbus interrupts for event-driven output generation. Comprehensive documentation and software drivers for VxWorks, Linux, and Windows are available to accelerate application development.

Benefits

• High Resolution: 16-bit DACs provide exceptional output precision.

• High Density: 8 channels in a single VME slot reduces system size and cost.

• Flexibility: Configurable output ranges adapt to diverse loads and signal requirements.

• Reliability: Protection features and robust design ensure safe operation in industrial environments.

• Ease of Integration: Standard VME interface and comprehensive software support simplify system design.

Conclusion

The Abaco VMIVME 4116 8-channel 16-bit analog output board provides a high-density, high-precision solution for multi-channel analog output in VMEbus-based systems. Its exceptional resolution, flexible configuration, and robust design make it an ideal choice for engineers building advanced control, simulation, and test systems requiring precise and stable analog signals.