National Instruments GPIB-PC - Page 10

Contents
GPIB-PC User Manual x ©National Instruments Corp.
Running IBCONF........................................................................................ 2-9
Upper and Lower Levels of IBCONF............................ 2-10
Upper Level - Device Map
for Board GPIBx.................................................... 2-10
Device Map Concepts and Terms................ 2-11
Lower Level - Device/Board
Characteristics....................................................... 2-11
Device and Board Characteristics.................................. 2-12
Primary GPIB Address....................................... 2-12
Secondary GPIB Address.................................. 2-12
Timeout Settings................................................... 2-12
EOS Byte.................................................................. 2-14
EOS Modes.............................................................. 2-14
Set EOI with last byte of Write..................... 2-14
GPIB-PC Model.................................................... 2-14
Board is System Controller
(Boards Only)......................................................... 2-14
Local Lockout on all Devices
(Boards Only)......................................................... 2-15
Disable Auto Serial Polling
(Boards Only)......................................................... 2-15
High-Speed Timing
(Boards Only)......................................................... 2-15
Interrupt Jumper Setting
(Boards Only)......................................................... 2-15
Base I/O Address (Boards Only)................... 2-15
DMA Channel (Boards Only)......................... 2-16
Internal Clock Frequency
(Boards Only)......................................................... 2-16
Exiting IBCONF...................................................................... 2-16
Using Your GPIB-PC.............................................................................. 2-18
Section Three - GPIB-PC
Functions — Introduction
............................................................................ 3-1
Introduction to the GPIB-PC Functions............................................ 3-1
High-Level Functions.............................................................. 3-1
Low-Level Functions............................................................... 3-1
Calling Syntax............................................................................ 3-1
Group I.............................................................................................................. 3-2
IBRD (bd,buf,cnt)..................................................................... 3-2
IBWRT (bd,buf,cnt)................................................................. 3-2
IBFIND (bdname,bd)............................................................... 3-3