Chapter 7
G Mode Functions
© National Instruments Corp.
7-101
GPIB-SCSI-A User Manual
tid - Set SCSI Id of Target Device
Type:
SCSI Configuration function
Syntax:
tid value
<
CR>
or
tid?<CR>
Purpose:
Use
tid
to change the ID of the SCSI device that the
GPIB-SCSI-A attempts to select for any of its high-level
commands or with
selwo
or
selwa
.
Remarks:
This command is in effect for any of the high-level
GPIB-SCSI-A commands that communicate with the SCSI
and when using the low-level
selwo
or
selwa
commands.
When the GPIB-SCSI-A is issued one of the high-level SCSI
commands, the SCSI Target that is to carry out the operation
must first be selected by the GPIB-SCSI-A. By using this
command, the GPIB-SCSI-A communicates with any SCSI
device with a unique identification. The default value for
tid
is 2.
If you enter
tid?
, the GPIB-SCSI-A places the current value
of
tid
into the Command and Status Channel buffer followed
by a <CR><LF>.
value
represents a 3-bit unsigned number. Correct values
range from 0 to 7. If a number that is too large is entered, or if
there is no question mark and no value following the
command, the GPIB-SCSI-A aborts the command with an
EARG error indication.
The assignment made by this function remains in effect until
you call
tid
again or turn off the GPIB-SCSI-A.
See Also:
Appendix D, Operation of the SCSI.
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Страница 355: ...Appendix C Operation of the GPIB National Instruments Corp C 7 GPIB SCSI A User Manual Figure C 2 Linear Configuration ...
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