The Abaco Systems / VMIC VMIVME-4514A-300 is a 16-channel scanning analog I/O board designed for VMEbus systems, delivering simultaneous analog input and output capabilities with 12-bit resolution. Built for high-performance data acquisition and control in industrial and scientific environments, this board features individual Sample-and-Hold amplifiers on each output channel, configurable differential or pseudo-differential inputs, and programmable voltage ranges controlled via on-board jumpers.
Technical Specifications
Analog I/O Architecture
• 16 analog output channels with individual S&H amplifiers
• 16 analog input channels, configurable as differential or pseudo-differential
• 12-bit resolution on all channels
• Output current capability: Up to 10 mA source or sink at ±10 V
Voltage Ranges (Jumper Selectable)
• Unipolar: 0 to +5 V, 0 to +10 V
• Bipolar: ±2.5 V, ±5.0 V, ±10 V
Analog Signal Processing
• ADC throughput: 33 kHz
• Conversion time: 1.7 ms per scan
• Optional 36 Hz single-pole input filter
• 16-word dual-port memory for continuous channel scanning
• Three ADC operating modes: Random Polling, Scanning Poll, Auto Scanning
Power Management
• Onboard DC-to-DC converter generates regulated ±15 VDC from +5 V logic supply
• ±15 V bus capacity: 300 mA per rail
– Key Features
• Auto Scanning mode provides continuous digitization of all input channels upon initialization, reset, or program command
• Outputs can be disconnected from the I/O connector for offline testing
• Built-In-Test capabilities for system diagnostics
• Standard VMEbus interface with P2 I/O connector support
– Typical Applications
Data acquisition systems, industrial process monitoring, scientific instrumentation, and closed-loop control within VMEbus-based platforms requiring synchronized multi-channel analog I/O operations.
– Compatibility & Integration
Full VMEbus compatibility. Designed for direct integration into VMEbus architectures requiring 12-bit analog acquisition and control.
