Abaco Systems / VMIC VMIVME-2120-175 64-Bit High Voltage Digital Output

The VMIVME-2120-175 is a 64-bit high-voltage digital output VMEbus module engineered for industrial control and automation systems requiring reliable, high-current switching. This double-height, B-size VMEbus card delivers 64 independent output channels with open collector drivers capable of sinking up to 600 mA per channel across an operating voltage range of 5 VDC to 48 VDC.

Technical Specifications

• Architecture: Double-height, B-size VMEbus card


• Output Channels: 64 digital outputs


• Data Transfer Widths: 8-, 16-, or 32-bit transfers supported


• Output Type: Open collector drivers


• Voltage Range: 5 VDC to 48 VDC


• Breakdown Voltage: 55 V


• Current Capacity: 600 mA per channel sink capability


• I/O Connectors: High reliability DIN-type connectors

Key Features

• Open collector output drivers with high-current sink performance


• Output clamp diodes for inductive flyback protection


• Optional automatic surge current shutdown protection


• Optional thermal shutdown protection for incandescent load driving


• Eight individually addressable ports on 8-, 16-, or 32-bit boundaries


• Jumper-selectable supervisory or nonprivileged I/O access (factory configured for short supervisory I/O)


• Independently selectable Control and Status Register (CSR) address


• Dual board select switches with decode logic for efficient address mapping


• Off-line and real-time built-in test (BIT) logic for fault detection and isolation


• Test mode capability disabling all outputs via CSR register


• Front panel Fail LED for power-up indication and diagnostic status

Typical Applications

• Industrial control systems and automation platforms


• High-voltage relay and solenoid switching


• Equipment requiring independent per-channel current control


• Systems demanding inductive load protection and thermal management

Compatibility & Integration Fully compliant with VMEbus specifications. Member of VMIC's Megamodule™ family, supporting contiguous I/O address configuration and common programming features. Compatible with intelligent I/O controllers and existing VMEbus architectures.