Agilent Technologies 4349B User Manual

4349B
Status
Byte
Register
The
status
byte
register
is
composed
of
eight
bits
that
summarize the
overlaying status
data
structure
.
The
status
byte
can
be
read
using either
3 STB?
or SPOLL
, which
return a
decimal expression
of
the
contents
of
the
register
(equal
to sum
of the
total bit
weights of
all the
bit set
to \1").
F
or
more
information,
see
\T
o
Report
the
Instrument's
Status"
in
Chapter 4.
Figure
5-3.
Status
byte Register
Bits
are set
to
\1"
and
reset
to
\0".
T
able 5-2.
Status Byte
Assignments
Bit
No
.
Bit
W
eight
Description
7 128 Operation Status
Register
Summary
Bit
6 64 Request
Service
Bit|This
bit
is set
when the
any enabled
bit of
the status
byte
has
been
set,
which
indicates
the
4349B
has at
least
one
reason
for
requesting service
. SPOLL resets this bit.
5 32 Standard Event Status
Register Summary Bit
4 16 MAV (Message
Available) Bit|This bit is set whenever the 4349B has data
available in Output Queue
, and reset when available data is read.
3 8 Questionable Status Register Summary Bit
2-0 always 0 (zero)
5-34 GPIB Reference

Agilent Technologies 4349B Specifications

General

Brand	Agilent Technologies
Model	4349B
Category	Measuring Instruments
Language	English