Measurement-computing Micro 488/EX rev.2.1 Manual de usuario Pagina 108

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Section 5 Command Descriptions
5.38
ID
The
ID
command allows the user to change the
@
or the
@@
command character
to any printable ASCII character. If the double
ID
character command is issued, the
ID
character will default back to '
@
'.
The desired character must immediately follow the semi-colon without
intervening spaces. The
@
and
@@
command can be disabled by not including, eg
ending the command with either a CR or LF character, the character following the
required semicolon. It can be re-enabled again by issuing the
ID
command with a valid
character.
If the
ID
character and
TIME
OUT
s are disabled, and an invalid bus address is
specified within a command, the only way to recover control is by re-powering the
interface. If you anticipate that the
data
part of an
OUTPUT
or
SEND
command may
contain the presently programmed
ID
character, it should be disabled.
SYNTAX
ID;
[
ASCII
]
ASCII
is any printable ASCII character immediately following the
semi-colon (
;
)
RESPONSE None
MODE Any
BUS STATES None
EXAMPLES
PRINT #1,"ID;#"
change the ID character to #
PRINT #1,"ID;"
disable the ID commands
PRINT #1,"ID;@"
re-enable the ID character to @
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