Keithley 237

+
Test Fixture
Test fixture
chassis
NOTE:
Connections
to
2361237/238
r-------~
must
be
connected
can
be
made
using
the
model
I I
to
a
safety
earth
ground
7152-KIT
or
modifying
the
Model
I
r-"~
I
7152-TRX.
I I
L
1-
---
_j
@
-
1--
r--
Model
7152-MTC
Output
HI"
~~.-
/or
7152-TRX
cable.
Guard"
Col,
1
~
2
3
4
5
f---<
Row
'
r-
r-
'
'
r-
r-
'
'
r-
11<:.
:::::1
c:::
p
<:.
:::::1
c:::
p
<:.
:::::1
Sense
HI"
~~
1
~
u
s
G
Guard"
r-::
II
•
~;
~
s
G
Sense
LO"
OutputLO
s
f---<
3
;
u
G
Output
LO
~
II
s
4
;
u
s~l
S
G
S
G
S
G
S
G
7152 Matrix
card
236/237/238
•
=
Crosspoint
closed
Crosspoint
(1
of
20)
~
CAUTION
:
To
prevent
damage
to
switching
r~
Signal
'fo-r--<
cards,
do
not
switch
more
than
200V
or
Guard
500mA.
Also,
incorrect
crosspoint
closures
will
short
various
signal
or
guard
lines
and
may
cause
instrument
or
OUT
failure.
Figure
2-23.
Remote
Sense
Connections
Using
Model
7152
(No
Guard)
+
SECTION2
Operation
2-27