Abaco Systems / Condor Engineering QVME-1553-1SA (1-Channel) MIL-STD-1553 VMEbus Interface

The Abaco Systems / Condor Engineering QVME-1553-1SA is a single-channel MIL-STD-1553 VMEbus interface board engineered for avionics and defense applications requiring military databus communication. It operates as a fully compliant MIL-STD-1553A and B Notice II interface, supporting Bus Controller (BC), Remote Terminal (RT), and Bus Monitor (BM) modes in multi-function or single-function configurations. The board delivers 1 Mbyte of RAM per channel with dual-redundant architecture and flexible coupling options - transformer or direct - to accommodate diverse system integration requirements.

Technical Specifications

• Interface: VMEbus


• Standard Compliance: MIL-STD-1553A and B Notice II


• Channels: 1 (dual-redundant)


• Memory: 1 Mbyte RAM per channel


• Message Time-Tagging: 45-bit


• Coupling Options: Selectable transformer or direct coupling


• Variable Voltage Support: Optional

Key Features

• Multi-function operation: simultaneous BC, up to 31 RTs, and BM capability


• Single-function modes: BC, RT, or BM operation


• Extensive BC and RT link-list structures for complex mission profiles


• Automatic and manual RT Status Bit and Mode Code responses


• RT Map Monitoring and IRIG/GPS synchronization capabilities


• Advanced error detection, injection, and detailed reporting


• Avionics-level discretes support


• MIL-STD-1760 start-up-time compliance


• Message trigger support

Software & Integration

• Advanced API software reduces development cycle time


• Supported operating systems: Windows, VxWorks, LynxOS, Linux, NT, 98, 95, 3.1, DOS, Integrity


• BusTools/1553 bus analysis software available

Environmental Specifications

• Commercial: 0 to +70°C


• Extended/Industrial: −40°C to +85°C


• Humidity: Up to 90% relative humidity (non-condensing)


• Available Versions: Commercial, industrial, conductively cooled


• Conformal Coating: Optional

Compatibility & Integration Fully compatible with VMEbus systems and compliant with MIL-STD-1553A/B Notice II standards.