The National Instruments GPIB-USB-A is a GPIB controller that connects legacy IEEE-488 instruments to modern computers via USB. This bus-powered device enables direct automation and data acquisition from up to 14 GPIB instruments without requiring external power or system restart. The controller operates at 650 Kbytes/s and complies with IEEE-488.2 standards, making it suitable for bench-top and portable test setups.
Technical Specifications
• Interface: IEEE-488 (GPIB) to USB 1.1 controller
• GPIB Connector: Standard 24-pin IEEE-488 I/O connector
• USB Connector: Standard Series A plug
• Maximum Instruments: Up to 14 GPIB devices per controller
• Data Transfer Rate: 650 Kbytes/s
• Power: Bus-powered via USB; no external supply required
• Compliance: IEEE-488.2
• Protection: Built-in overvoltage and overcurrent protection
• Operating Temperature: 0°C to 55°C
• Storage Temperature: -20°C to 70°C
• Operating Humidity: 10% to 90% non-condensing
• Storage Humidity: 5% to 95% non-condensing
– Key Features
• Plug-and-play installation with automatic OS recognition
• No computer restart required upon connection
• Compact form factor optimized for portable applications
• Built-in electrical protection circuits
– Typical Applications
Automated test and measurement systems requiring control of GPIB-based instrumentation on desktop and laptop platforms.
– Compatibility & Integration
• Operating Systems: Windows (NI-488.2 versions 1.0 through 2.2)
• Software Support: LabVIEW, LabWindows/CVI, Measurement Studio
• USB Specification: USB 1.1
