National Instruments GPIB-140B User Manual

National Instruments GPIB-140B User Manual Manual pdf 1 page image

USER MANUALGPIB-140BFiber Optic GPIB ExtenderThis document provides installation, configuration, and reference information for theGPIB-140B fiber optic GPIB extender.ContentsBasic Information......................................................................................................................2Unpacking......................................................................................................................... 3Hardware Symbol Definitions.......................................................................................... 3Hardware Overview.................................................................................................................. 4GPIB-140B Description.................................................................................................... 4GPIB-140B Dimensions................................................................................................... 5Grounding the GPIB-140B .............................................................................................. 6LED Indicators.................................................................................................................. 8DIP Switches.....................................................................................................................8Hardware Connections.............................................................................................................. 9Connecting the Cables...................................................................................................... 9Connecting the External Power Supply.......................................................................... 10Verifying the Connection................................................................................................ 10Hardware Configuration..........................................................................................................11Data Transfer Modes....................................................................................................... 11HS488 Mode................................................................................................................... 12Parallel Poll Response Modes.........................................................................................13Theory of Operation................................................................................................................15GPIB Basics.................................................................................................................... 16Introduction to HS488.....................................................................................................21Multiline Interface Messages.......................................................................................... 25Product Certifications and Declarations................................................................................. 29NI Services.............................................................................................................................. 29