National Instruments GPIB-SCSI-A, Руководство пользователя

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Contents
GPIB-SCSI-A User Manual xii © National Instruments Corp.
wrext - Write Extended ........................................................... 7-109
write -
Write ........................................................................... 7-113
wrtbuf - Write Buffer................................................................7-117
Appendix A
Multiline Interface Messages
....................................................... A-1
Appendix B
Status and Message Information
................................................B-1
Status Bits ................................................................................... B-1
S Mode ......................................................................... B-1
G Mode......................................................................... B-5
GPIB Error Codes....................................................................... B-7
SCSI Error Codes ....................................................................... B-10
Status Bytes ................................................................................B-12
Message Bytes ............................................................................B-13
Sense Keys..................................................................................B-16
Appendix C
Operation of the GPIB
....................................................................C-1
Types of Messages ..................................................................... C-1
Talkers, Listeners, and Controllers............................................. C-1
The Controller-In-Charge and System Controller ......................C-2
GPIB Signals and Lines..............................................................C-3
Data Lines ....................................................................C-3
Handshake Lines ..........................................................C-3
NRFD* (not ready for data)........................... C-3
NDAC* (not data accepted)........................... C-4
DAV* (data valid) ......................................... C-4
Interface Management Lines ........................................C-4
ATN* (attention) ........................................... C-4
IFC* (interface clear)..................................... C-4
REN* (remote enable) ................................... C-4
SRQ* (service request) ..................................C-4
EOI* (end or identify) ................................... C-5
Physical and Electrical Characteristics....................................... C-5
Configuration Requirements....................................................... C-9
Related Documentation ..............................................................C-9