Agilent Technologies 4339B - Page 152

GPIB
Commands
4339B
The
subsystem commands
use extended
numeric
parameters
.
Extended
numeric parameters
accept
all
numeric
parameter
values
and
other special
values
,
for
instance
,
MAXimum
,
MINimum
or
UP
,
DOWN .
The
special values
available
are
described
in
the
command's
reference
description.
Query
response of
<
numeric
value
> is
always
a
numeric
value
in
<
NR1
>
(integer)
or
<
NR3
>
(oating
point)
format.
Sux
When
a
command
has
specied
sux,
the
sux
multiplier
and
sux
units
can
be
used
with
parameters
as
follows
.
(The
sux
multiplier
must
be
used
with
the
sux
unit.):
V
oltage
:
V
(V
;
default),
KV
(kV)
Current:
PA
(pA),
NA
(nA),
UA
(

A),
MA
(mA),
A
(A; default)
Time:
MS
(ms),
S
(s;
default)
The
sux
is
optional
and
can
be
omitted.
<
Boolean
>
Represents
a
single
binary
condition
that
is
either
ON
or
OFF
.
<
Boolean
>
allows
the
following
parameters:
ON
,
OFF
in
a
program
message
.
1
,
0
in
a
program
message
and
query
response.
<
sensor
function
>
and
<
data
handle
>
Are
string
parameters
which contain
ASCII characters
.
A
string
must
begin
with
a
single quote(ASCII
39 decimal)
or
a
double
quote
(ASCII
34
decimal)
and
end
with
the same
character
,
a
single
or
double
quote
.
The
quote
to
mark
the
beginning and
end
of
the
string
is
called
the
delimiter
.
Y
ou
can
include
the delimiter
as
part
of
the
string
by
typing
it
twice
without
any
characters
in
between.
Example
of
<
sensor
function
>
"RES"
,
OUTPUT
@Meter;":SENS:FUNC 'RES'"
using
single
quote
OUTPUT
@Meter;":FSENS:FUNC ""RES"""
using
double
quote
A
query
response
is
the
string
in
between
double
quote
delimiters
.
Multiple Messages
T
o
send
more
than
one
command
in
the
same
message
,
you
must
separate
them with
a
semicolon:
*CLS;:INIT
5-4 GPIB Reference