The National Instruments GPIB-1014D is a dual-port GPIB to VMEbus interface card that bridges GPIB-controlled instruments with VMEbus-based automated test, data acquisition, and instrument control systems. It provides complete IEEE 488 Talker/Listener/Controller capabilities with Direct Memory Access (DMA) support for high-speed data transfers between GPIB and VMEbus memory spaces.
Technical Specifications
• Interface: GPIB (IEEE 488) to VMEbus
• Standards: ANSI/IEEE 1014-1987 (VMEbus), ANSI/IEEE 488.1-1987 (GPIB)
• Ports: Dual GPIB ports; each port connects to up to 14 instruments (28 total without extender)
• DMA Transfer Rate: Exceeds 500 kbytes/s
• DMA Addressing: Full 24-bit with programmable address modifier code
• Data Transfer Widths: 8, 16, or 32-bit memory-to-memory
• DMA Data Block Length: Unlimited
• VMEbus Request/Grant Lines: Selectable from 1 of 4
• Interrupt Request Lines: Selectable from 1 of 7
• Access Levels: Supervisor or user selectable
• Status Indicator: Red/green SYSFAIL LED
– Key Features
• Extended and normal Talker/Listener functions
• Serial and parallel poll operations
• Service request and remote programming support
• Programmable DMA transfer modes (cycle steal or cycle steal with hold)
• Release-on-request and carry-cycle functions for complete data transfers
• DMA capability across data area, program area, or short I/O area
• Dual-port configuration for expanded instrument connectivity
– Typical Applications
• Integration of legacy GPIB instrumentation into VMEbus platforms
• Automated test systems requiring mixed-interface instrument control
• Data acquisition from multiple GPIB-based instruments
• Real-time instrument synchronization and command distribution
– Compatibility & Integration
The GPIB-1014D is part of the GPIB-1014 series. Related variants include the single-port GPIB-1014 (with DMA) and GPIB-1014P (Programmed I/O), plus the GPIB-1014DP dual-port variant without DMA. Available in 6U and 3U VMEbus heights.
