The Abaco Systems VMIVME-4140-000 is a 32-channel, 12-bit analog output board for VMEbus systems delivering high-density signal generation in industrial control and data acquisition applications. Each of the 32 channels features a dedicated 12-bit DAC with software-selectable output voltage ranges (unipolar: 0 to +10V, 0 to +5V, 0 to +2.5V; bipolar: ±2.5V, ±5V, ±10V). The board sources or sinks 10 mA maximum per channel at ±10 V with 0.8 Ω output impedance and supports both software and external synchronous update of double-buffered outputs in random (non-scanning) update mode.
– Technical Specifications
• 32 analog output channels, 12-bit resolution
• Output voltage: ±10 V (software-selectable ranges from 0 to +10V to ±2.5V)
• Output current: 10 mA maximum per channel (sourcing/sinking capability)
• Output impedance: 0.8 Ω
• Update mode: Random update with software or external synchronous control
• Form factor: 6U VMEbus
• Discrete wire connectivity with mass-terminated cable support
– Key Features
• One 12-bit DAC per output channel for independent signal generation
• Automatic calibration initiated by system reset or software command with offset and gain coefficients stored in RAM
• Extensive onboard self-test diagnostics with pass/fail indication via Self-Test Register
• Offline testing capability—analog outputs disconnect from field wiring independently
• Single reference potentiometer for system calibration
• Front panel status LED and reference voltage access connector
• PMC expansion slot support
– Typical Applications
• Data acquisition systems
• Industrial control and automation
• Precision analog stimulation
• Automatic test equipment (ATE)
– Compatibility & Integration
Designed for VMEbus systems. Supports VxWorks, LynxOS, and Linux operating environments. Product entered Restricted Production Phase as of May 31, 2019.
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