Keithley 237

SECTION3
IEEE-488
Reference
+
a.s.19
U-
Status
Purpose
Format
Parameters
Description
3-62
To
obtain
instrument
status
and
configuration.
Un
uo
Ul
U2
U3
U4
us
U6
U7
VB
U9
UlO
Ull
Send
model
number
and
firmware
revision
Send
error
status
word
Send
stored
ASCll
string
(
"02"
command
string)
Send
machine
status
word
Send
measurement
parameters
Send
compliance
value
Send
suppression
value
Send
calibration
status
word
Send
defined
sweep
size
Send
warning
status
word
Send
first
sweep
point
in
compliance
Send
sweep
measure
size
By
sending
the
appropriate
U
command
and
then
addressing
the
instrument
to
talk
as
with
normal
data,
you
can
obtain
information
on
machine
status,
error
conditions,
and
other
data.
The
information
is
transmitted
only
once for
each
U
command.
UO-
Model
Number
and
Firmware
Revision
The
response
to
a
UO
command
is
an
8-character
ASCII
string
denoting
the
instru-
ment
model
number
(236, 237,
or
238)
and
firmware
revision level,
as
shown
in
Figure
3-14.
Unit
Model
Number
r',
236
xnn
bb
cTERM+EOI>
tL
ASCII--
Letter
and
Number
of the
Firmware
Revision
Figure
3-14.
UO
Model
Number
and
Firmware
Revision
For
example, a
firmware
revision level
of
Al
for a
Model237
would
be
sent
as fol-
lows:
237A01
+