Agilent Technologies 4263B User Manual

4263B
Status
Byte
Register
The
Status
Byte
Register
is
composed
of
eight
bits
that
summarize an
overlaying status
data
structure
.
The
Status
Byte
Register
can
be
read using
either *STB?
or SPOLL
, which
return a
decimal
expression
of
the
contents
of
the
register (equal
to the
sum of
the total
bit weights
of all
the
bits
set
to
\1").
Figure
5-3.
Status
Byte
Register
T
able
5-4.
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
any enabled
bit of
the Status
Byte
Register
has
been
set,
which
indicates
4263B has
at least
one reason
for
requesting
service
.
SPOLL
resets this
bit.
5 32 Standard Event Status Register Summary Bit
4 16 Message A
vailable Bit | This bit is set whenever the 4263B has data
available in the Output Queue
, and is reset when the available data is
read.
3 8 Questionable Status Register Summary Bit.
2  0
Always 0 (zero)
5-40 GPIB Reference

Agilent Technologies 4263B Specifications

General

Brand	Agilent Technologies
Model	4263B
Category	Measuring Instruments
Language	English