Keithley 237

SECTlON2
Operation
+
Test
Fixture
7
~!~RX
(I
I I I I
7152-TRX
Cable Col
~Row
1 2 3 4 5
1
Output HI/Guard
.-+---<~(-----<<~----t-.f--+----1-+-f-4
Sense HI/Guard
(
<
2
,~---+-....._-+----1-+-f-4
Sense LO/Output LO
(
<
3
.~--+-+---t----t-+-t-7
Output LO
(
<
4
.t-t--+---il--+--+---<:c+~
\
236/237/238
7152
Matrix
Card
•
=
Crosspoint
closed
Triax to Banana
plug
Crosspoint
(1
of
20)
Modification
(See
Fig.
2-21)
CAUTION:
To
prevent
damage
to
switching
cards,
do
not
switch
more
than
200V
or
500mA.
Also,
incorrect
crosspoint
closures
will
short
various
signal
or
guard
lines
and
may
cause
instrument
or
OUT
faliure.
Figure
2-22.
Remote
Sense
and
Guard
Connections
to
Model
7152
2-26
+