VMIC VMIVME-3418 8-Channel Strain Gauge and RTD Measurement Board – VMEbus
The VMIC VMIVME-3418 is a high-precision 8-channel measurement board designed for VMEbus systems, specifically engineered for interfacing with strain gauges and RTD (Resistance Temperature Detector) sensors. This board provides eight independent input channels, each capable of accurate measurement of resistance-based sensors, making it ideal for industrial monitoring, structural testing, and data acquisition applications requiring precise physical measurement.
Built to the VMEbus standard, the VMIVME-3418 offers seamless integration into existing VME chassis. Each channel includes high-resolution analog-to-digital conversion and programmable excitation, ensuring accurate and stable measurements. The board's robust design and comprehensive protection features ensure reliable operation in demanding industrial environments.
Key Features
8 Measurement Channels: High-density input for strain gauge and RTD sensors.
Strain Gauge Support: Provides bridge excitation and differential measurement for strain gauges.
RTD Support: Supports 2-wire, 3-wire, and 4-wire RTD configurations.
High Resolution: Precision ADC for accurate measurement.
Programmable Excitation: Configurable current and voltage excitation for various sensor types.
VMEbus Compatibility: Standard VME form factor with A24/D32 addressing.
Industrial Grade: Designed for extended temperature operation and reliable performance.
Calibration Support: Built-in calibration and diagnostic features.
Technical Specifications
The VMIVME-3418 provides eight independent measurement channels, each with programmable excitation and high-resolution ADC conversion. For strain gauge applications, the board provides bridge excitation voltage and differential measurement capability. For RTD applications, it supports 2-wire, 3-wire, and 4-wire configurations, with programmable current excitation. Each channel includes protection against overvoltage and transients for reliable operation.
The board features a high-precision reference and low-drift components for stable performance over time and temperature. Power is derived from the VME backplane, and the board includes comprehensive diagnostic features for system monitoring and calibration.
Applications
Structural Testing: Monitoring strain on bridges, buildings, and aerospace structures.
Industrial Monitoring: Measuring strain and temperature in manufacturing processes.
Materials Testing: Characterizing material properties under load.
Research and Development: Precision measurement in laboratory settings.
Automotive Testing: Monitoring strain and temperature in vehicle components.
Integration and Configuration
Integration is straightforward with standard VMEbus connectors. Configuration is performed via software, with flexible channel programming, excitation settings, and measurement parameters. Comprehensive documentation and software drivers are available to accelerate application development.
Benefits
Precision: High-resolution measurement for accurate sensor data.
Flexibility: Supports both strain gauge and RTD sensors.
Reliability: Robust design for industrial and test environments.
Integration: Standard VME interface simplifies system design.
Conclusion
The VMIC VMIVME-3418 8-channel strain gauge and RTD measurement board provides a high-precision, flexible solution for resistance-based sensor measurement in VMEbus-based industrial and test systems.




