National Instruments GPIB-100A - Manual (Page 8)

Contents
GPIB-100A User Manual viii © National Instruments Corporation
Appendix A
Operation of the GPIB
....................................................................................................... A-1
History of the GPIB......................................................................................................... A-1
Types of Messages .......................................................................................................... A-1
Talkers, Listeners, and Controllers................................................................................... A-1
System Controller and Active Controller......................................................................... A-2
GPIB Signals................................................................................................................... A-2
Data Lines........................................................................................................................ A-3
Handshake Lines.............................................................................................................. A-3
NRFD (not ready for data)................................................................................... A-3
NDAC (not data accepted)................................................................................... A-4
DAV (data valid) ................................................................................................. A-4
Interface Management Lines............................................................................................ A-4
ATN (attention).................................................................................................... A-4
IFC (interface clear) ............................................................................................. A-4
REN (remote enable)........................................................................................... A-4
SRQ (service request).......................................................................................... A-4
EOI (end or identify) ........................................................................................... A-4
Physical and Electrical Characteristics ............................................................................. A-5
Configuration Restrictions ............................................................................................... A-7
Appendix B
Schematic Diagram
............................................................................................................ B-1
Appendix C
GPIB-100A Parts Locator Diagram
............................................................................. C-1
Appendix D
Cable Assembly Wire List
............................................................................................... D-1
Appendix E
Multiline Interface Messages
......................................................................................... E-1
Appendix F
Mnemonics Key
.................................................................................................................... F-1