Keithley 237

Step
4-
Enter Compliance
Value
A.
Press
COMPUANCE.
B.
Use
keypad
to
key
in
11V.
I
+11
VOLTS
C.
Press
ENTER.
Step
5-
Enter Filter
A.
Press
FILTER.
FILTER
II
B.
Use
SELECT
buttons
to
select
8
reading
filter.
8
RDG
FILTER
C.
Press
ENTER.
Step
6-
Select Local Sense
A.
Press
MENU
and
use
ro-
tary
knob
to
display
present
sense
selection.
B.
If
in
remote
sense,
press
SELECT
to
display
local
sense.
I
LOCAL
SENSE
C.
Press
ENTER
and
then
MENU.
The
present
compliance
value
is
displayed.
Present
filter
status
is
dis-
played
and
indicator
is
turned
on.
Average
and
display
8
meas-
urements.
Result
is
a
quieter
display
reading.
FILTE~
indicator
remains
on
to
denote
that
a
filter
is
se-
lected
(not
disabled).
SELECT
buttons
toggle
be-
tween
local
and
remote
sense.
Step
7-
Source
Current
and
Measure
Voltage
Press
OPERATE
OPERATE
II
Indicator
denotes
that
OPER-
ATE
is
enabled.
+
+
+100.00J1A
+10.000V
SECTION1
Getting Started
Display
for
an
exact
100kQ.
load;
100J.LA
sourced
and
10V
measured.
Step
8-
Adjust
I
Source Value
ADJUST
METHOD
A.
Use
SELECT
buttons
to
enable
cursor
and
place
it
on
digit
to
adjust,
B.
Use
rotary
knob
to
adjust
displayed
source
value.
EDIT
METHOD
A.
Use
keypad
to
key
in
new
source
value.
B.
Press
ENTER.
Flashing
digit
indicates
posi-
tion
of
cursor.
SELECT
buttons
can
also
be
used
to
change
source
range.
Output
will
update
as
soon
as
the
displayed
source
value
is
changed.
Output will
not
update
until
ENTER
is
pressed.
NOTE:
Increasing
I
to
>110
J.lA
will
place
unit
in
compliance
(COMPUANCE
indicator
blinks).
Step
9-
Standby
Press
OPERATE
to
place
unit in
standby.
IEEE-488 Bus
Operation
The
following
HP
BASIC
4.0
program
will
perform
the
resistor
test
from
over
the
IEEE-488
bus.
This
program
is
written
for
a
Source
Measure
Unit
that
is
set
to
an
IEEE
address
of
16.
10
REMOTE
716
20
DIM
A$
[100]
30
CLEAR716
40
OUTPUT
716;
"F1,0X"
50
OUTPUT
716;
"B100E-6,0,X"
60
OUTPUT
716;
"L11,0X"
70
OUTPUT
716;
"P3X"
80
OUTPUT
716;
"OOX"
90
OUTPUT
716;
"N1X"
100
OUTPUT
716;
"HOX"
110
OUTPUT
716;
"G15,0,0X"
120
ENTER
716;
A$
130
PRINT
A$
140
END
Source
I
Measure
V
(de)
Source;
100Jl
A,
auto-
range.
Compliance;
11V,
auto-
range
Filter
8
Local
sensing
Operate
Trigger
measurement
Output
data
and
talk
Talk
Display
one
line
of
data
After
this
program
is
run,
the
Source
Measure
Unit
will
source
100J.1A
to
the
lOOk
D.
resistor
and
measure
approximately
10V.
Also,
the
output
data
string
will
be
output
to
the
computer
and
displayed
on
the
CRT.
1-23