© National Instruments Corporation vii GPIB-100A User Manual
Contents
Chapter 1
Description of the GPIB-100A....................................................................................... 1-1
Introduction...................................................................................................................... 1-1
GPIB-100A Specifications.............................................................................................. 1-3
Chapter 2
Installation............................................................................................................................. 2-1
Inspection......................................................................................................................... 2-1
Power Connection............................................................................................................ 2-1
Grounding Configuration................................................................................................. 2-2
Disassembly........................................................................................................ 2-2
Mounting......................................................................................................................... 2-2
Connecting to Hewlett-Packard Controllers..................................................................... 2-2
Chapter 3
Configuration and Operation.......................................................................................... 3-1
Operating Modes............................................................................................................. 3-1
Talker/Listener/Controller (TLC) Mode............................................................... 3-1
Talker/Listener (TL) Mode................................................................................... 3-2
Setting the Operating Mode................................................................................. 3-2
Parallel Poll Response (PPR) Modes............................................................................... 3-2
Buffered PPR Mode (Approach 1)...................................................................... 3-3
Unbuffered PPR Mode (Approach 2).................................................................. 3-3
Mixed Mode Operation.................................................................................................... 3-4
Operating the GPIB-100A System.................................................................................. 3-4
Chapter 4
Theory of Operation........................................................................................................... 4-1
Diagrams......................................................................................................................... 4-1
Power-On........................................................................................................................ 4-1
System Controller Detection............................................................................................ 4-2
Active Controller Detection.............................................................................................. 4-2
Source Handshake Detection........................................................................................... 4-2
Parallel Polling..................................................................................................... 4-3
Data Direction Control......................................................................................... 4-4
EOI.................................................................................................................................. 4-4