The Abaco Systems / VMIC VMIVME-1150-323 is a 64-channel optically isolated digital input board for VMEbus systems. It acquires logic-level signals across a wide voltage range with 1,000 V sustained and 7,500 V pulsed isolation, making it suitable for industrial control, data acquisition, and signal monitoring in harsh electrical environments. The board supports 8-bit or 16-bit data transfers with individually addressable ports, configurable input polarity, and jumper-selectable filtering for noise rejection.
– Technical Specifications
• Channels: 64 optically coupled digital inputs
• Input Voltage Range: 5 VDC to 48 VDC
• Input Configuration: Voltage sourcing or current sinking; configurable for voltage input or contact closure
• Data Polarity: Positive or negative true, field-selectable
• Isolation: 1,000 V sustained; 7,500 V pulsed
• Data Transfers: 8-bit or 16-bit modes supported
• Addressing: Individually addressable 8-bit ports on 8- or 16-bit boundaries in short supervisory or nonprivileged I/O space
• Board Address: DIP switch selectable; supported in any VMEbus slot except slot 1
• Input Filtering: Jumper-selectable filtered input options
• Form Factor: Standard VME double-height Eurocard (160 mm × 233.5 mm)
• Power: +5 VDC @ 1.1 A typical, 2.2 A maximum
• Operating Temperature: 0 °C to +55 °C
• Storage Temperature: -40 °C to +85 °C
• MTBF: 139,706 hours (MIL-HDBK-217F)
– Key Features
• Dual 64-pin DIN connectors for signal I/O
• VMEbus electrical and mechanical compatibility
• DTACK reply generation for decoded short supervisory or nonprivileged access
• Drop-in replacement for legacy VMIVME-1150 models with software and cable compatibility
– Typical Applications
Industrial process control, data acquisition systems, machine monitoring, and equipment with mixed-signal sensing requirements where optical isolation is critical.
– Compatibility & Integration
Fully compatible with VMEbus architecture. Operates within any standard VME slot configuration except slot 1. Includes hardware reference manual and IOWorks integration documentation.
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