VMIC VMIVME 2128 High-Voltage Digital Output Board – VMEbus

The VMIC VMIVME 2128 is a high-performance high-voltage digital output board designed for VMEbus-based industrial control systems. This board provides multiple high-voltage output channels for controlling relays, solenoids, actuators, and other industrial loads. Its robust construction and comprehensive protection features make it a reliable choice for demanding factory automation, process control, and defense applications.

Built to the VMEbus standard, the VMIVME 2128 offers seamless integration into existing VME chassis. Each output channel includes protection against overcurrent, short circuits, and inductive kickback, ensuring reliable operation with inductive loads. The board includes optical isolation for enhanced noise immunity and system protection.

Key Features

• Multiple High-Voltage Output Channels: Provides control for industrial actuators and loads.

• High Current Drive: Capable of driving relays, solenoids, and actuators.

• Optical Isolation: Provides electrical isolation for noise immunity.

• Output Protection: Short-circuit, overcurrent, and inductive kickback protection.

• VMEbus Compatibility: Standard VME form factor for easy integration.

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

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

Technical Specifications

The VMIVME 2128 provides multiple high-voltage digital output channels, with output voltages typically supporting 24V or 28V loads. Each channel is capable of sourcing or sinking significant current for driving relays, solenoids, and actuators. The board includes protection against overcurrent, short circuits, and inductive kickback from inductive loads.

Optical isolation provides up to 2500V of isolation between the VMEbus and output circuits, protecting the host system from transients. The board supports standard VMEbus addressing and interrupt mechanisms, with power derived from the VME backplane and optional external field power.

Applications

• Factory Automation: Controlling relays, solenoids, and actuators.

• Process Control: Discrete control of valves and pumps.

• Defense Systems: Vehicle and equipment control.

• Test Systems: Driving test fixtures and loads.

• Robotics: Control of end-effectors and peripheral devices.

Integration and Configuration

Integration is straightforward with standard VMEbus connectors. Configuration is performed via software, with output mapping and diagnostic features accessible through the VME interface. Software drivers for VxWorks, Linux, and Windows are available to accelerate application development.

Benefits

• Reliability: Protection features ensure safe operation.

• Flexibility: Multiple outputs for diverse loads.

• Protection: Output protection safeguards the board and connected devices.

• Diagnostics: Status read-back simplifies troubleshooting.

Conclusion

The VMIC VMIVME 2128 high-voltage digital output board provides a reliable, robust solution for controlling industrial loads from VMEbus systems.