Abaco Systems / VMIC VMIVME-2532A-000 32-Bit Digital I/O Module

The Abaco Systems / VMIC VMIVME-2532A-000 is a 32-bit digital I/O module engineered for VMEbus systems. This 6U single-slot Eurocard provides 32 channels of configurable high-voltage digital inputs and outputs, delivering galvanic isolation and programmable signal conditioning for industrial automation, data acquisition, and process control environments.

Technical Specifications

• 32 Input/Output channels


• High-voltage digital inputs: 5 to 48 VDC


• High-voltage digital outputs: 50 V maximum


• Input isolation: 10 MΩ minimum, 1,000 V sustained to VMEbus


• Output isolation: 10 MΩ minimum, 1,000 V sustained to VMEbus


• Output leakage current: 500 µA maximum at VCE = 50 V, TA = 60 °C


• Optically isolated open-collector output configuration Signal Conditioning & Configuration


• Input modes: voltage sensing or contact sensing, configurable on byte boundaries


• Contact debounce: user-programmable from 0 to 16.384 ms


• TTL input/output interface Data Transfer & VMEbus Interface


• Supports 8- or 16-bit data transfers


• Compatible with VMEbus systems


• Integrates with Intelligent I/O Controllers (IIOCs) Diagnostics


• Built-in-Test (BIT) for offline and real-time fault detection


• Front-panel Fail LED indicator


• Optional output test jumpers for 100% driver validation Environmental


• Operating temperature: 0 to 60 °C


• Storage temperature: -55 to +85 °C


• Humidity: 20% to 80%, non-condensing

Key Features Galvanic isolation on all I/O channels provides ground-loop immunity and protection against transient overvoltages. Byte-boundary configuration enables flexible input/output mode assignment within the 32-channel architecture. Programmable debounce filtering on digital inputs suits varying mechanical switch and sensor response characteristics. Front-panel diagnostics and built-in test capability streamline field verification and troubleshooting.

Typical Applications Digital sensor interfacing, relay and solenoid control, machinery interlocking, status monitoring, and distributed process automation requiring isolated multi-channel I/O in VMEbus-based systems.

Compatibility & Integration Software compatible with VMIVME-2532 and VMIVME-2533 relay output boards. Standard VMEbus connectors enable integration into existing crate systems and IIOCs.