Abaco Systems / VMIC VMIVME-2232-100 32-Channel Relay Output Board with Built-in-Test (BIT)

The Abaco Systems / VMIC VMIVME-2232-100 is a VMEbus-compatible, double-height relay output board engineered for industrial and military applications requiring high-reliability switching control. This 32-channel board integrates Built-in-Test (BIT) capabilities to verify proper operation of all active components through data register verification and Control and Status Register (CSR) readback.

Technical Specifications

• 32 SPDT (Form C) relay output channels


• Maximum switching power: 60 W (125 VA)


• Maximum switching voltage: 220 VDC or 250 VAC


• Maximum switching current: 2 A


• Maximum carry current: 3 A


• Contact life: 10^8 mechanical operations at 180 CPM; 5 × 10^5 electrical operations at 2 A / 30 VDC; 2 × 10^6 electrical operations at 1 A / 30 VDC


• Optional contact protection electronics available for DC operation


• Dual 50-pin SCSI-type output connectors


• Four ports, 8 bits wide, addressable as 8-, 16-, or 32-bit words Data & Control


• Supports 8-, 16-, or 32-bit data transfers


• Four addressable ports on 8-, 16-, or 32-bit boundaries in short I/O memory map


• Jumper-selectable address modifier codes for short supervisory and/or short non-privileged I/O access; factory-configured for short supervisory I/O


• Available in positive true ("1" energizes relay) or negative true ("0" energizes relay) configurations


• Control and Status Register (CSR) manages front panel Fail LED, internal BIT features, and relay enable/disable Physical


• VMEbus specification-compatible, double-height form factor


• Front-panel Fail LED status indicator


• Address selection jumpers for short I/O memory map configuration

Key Features Built-in-Test capability enables verification of relay operation through data register writes and CSR readback cycles. Form C SPDT relay configuration provides both normally open and normally closed contact paths per channel. Optional DC contact protection preserves contact integrity in low-voltage DC switching applications.

Compatibility & Integration The VMIVME-2232-100 integrates with Abaco Systems / VMIC Intelligent I/O Controllers, including the VMIVME-90xx series, within standard VMEbus architectures.