Agilent Technologies 4339B - Page 130

W
aiting
F
or Completion
Of Measurement
(detecting completion
of measurement)
4339B
Waiting
For
Completion Of
Measurement (detecting
completion
of
measurement)
Y
ou can
detect the
status of
the 4339B
by using
the
status
register
,
as
described
in
this
section.
F
or information
on the
entire status
report
system
(for
example
,
information
on
each
bit
of
the
status
register), refer
to Chapter
5, \GPIB
Reference
."
The
measurement state
is indicated
by
the
operation
status
register
(refer
to
T
able
5-5
).
An
SRQ
(service request)
is useful
for
detecting
the
completion
of
measurement
in
your
program
by
using the
information indicated
by
this
register
.
T
o
detect
the
completion
of
measurement
using
SRQ,
use
the
following
commands
.
*SRE
:ST
A
T:OPER:ENAB
The
procedure
is
given
below
.
1.
Make
the
setup
so
that
the
4339B
generates
an
SRQ
if
bit
4
of
the
operation status
event
register
is
set
to
1.
2.
Trigger
the
instrument
to
start
a
measurement.
3.
P
erform
interrupt
handling
in
the
program
when
the
SRQ
occurs
.
Figure 4-2. SRQ generation sequence (when measurement nishes)
4-12 Remote Operation