4349B
Standard
Event
Status
Register
The
Standard
Event
Status
Register
is
frequently
used
and
is
one of
the simplest.
You
can
program
it
using
GPIB
common
commands
,
*ESE
and
*ESR?
. Refer
to
*ESE
command and
*ESR?
command
in
\GPIB
Commands".
Figure
5-4.
Standard
Event
Status
Register
T
able
5-3.
Standard
Event
Status
Register
Assignments
Bit
No.
Bit
Weight
Description
7 128 P
ower-On
Bit|This
bit
is set
when the
4349B has
been turned
OFF
and
then
ON
since
the
last
time
this register
was read.
6 always
0
(zero)
5 32 Command
Error Bit|This
bit is
set if
the
following
the
command
errors
occur
.
An
IEEE
488.2
syntax
error
occurred.
The 4349B received a Group Execute Trigger (
get
) inside a program
message.
4 16 Execution Error
Bit|This bit is set when a parameter of a GPIB
command was outside
of its legal input range or is otherwise inconsistent
with the 4349B's
capabilities.
3 8 Device-Dependent Error Bit|This bit is set when so many errors have
been occurred that the error queue is full.
2 4 Query Error Bit|This bit is set to \1" when reading data from the output
buer and no data was present, or when the data was lost.
1 always 0 (zero)
0 1 Operation Complete Bit|This bit is set when the 4349B has completed all
selected pending operations before sending the
*OPC
command.
GPIB Reference 5-35
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