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National Instruments Corporation
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GPIB-120B User Manual
Contents
About This Manual
Conventions ...................................................................................................................vii
Related Documentation..................................................................................................viii
Chapter 1
Introduction
Description of the GPIB-120B ......................................................................................1-1
What You Need to Get Started ......................................................................................1-3
Optional Equipment.........................................................................................1-4
Unpacking Your GPIB-120B ..........................................................................1-5
Chapter 2
Hardware Overview
GPIB-120B LEDs ..........................................................................................................2-1
Power On (PWR).............................................................................................2-1
System Controller Detection (SC)...................................................................2-2
Active Controller Detection (AC) ...................................................................2-2
Source Handshake Detection (SH)..................................................................2-2
Data Transfer Modes .....................................................................................................2-2
Selecting a Data Transfer Mode ......................................................................2-3
Unbuffered Mode ..............................................................................2-3
Buffered Mode ..................................................................................2-3
Setting the Data Transfer Mode ......................................................................2-4
Data Direction Control...................................................................................................2-4
Parallel Poll Detection ...................................................................................................2-4
Parallel Poll Operation...................................................................................................2-5
Chapter 3
Configuring and Using Your Hardware
Connecting the GPIB-120B ...........................................................................................3-1
Appendix A
GPIB Basics
Appendix B
Multiline Interface Messages