National Instruments GPIB-100A

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