Agilent Technologies 4263B - Simultaneous OVLD and N.C. Condition

4263B
When
the O
VLD and
N.C.
are
detected
at
the
same
time
,
Display
,
Handler
output
and
GPIB
output
of the
4263B
depend
on
the
impedance
value
of
the
DUT
,
the
selected measurement
range
and the
connection
between
DUT
and
the
contact-pin.
The
4263B performs
one
of
following
cases
in
the
T
able
C-2
.
T
able C-2.
Simultaneous
O
VLD
and
N.C.
Condition
Condition Display Handler
Output
GPIB Output
1
Solutions
Data
Mode
Comprtr
Mode
O
VLD
&
N.C.
N.C. N.C. /NO
CONT
A
CT
<
State
>
2
:2
<
Data
>
:9.9E37
<
Comp
>
3
:8
Select
an
approptiate
measurement
range
.Change
to
the
appropriate
signal
level.
Cancel
the
bad
contact
between
the
DUT
and
the
contact-pin.
O
VLD
High /PHI
and
/SHI
<
State
>
2
:1
<
Data
>
:9.9E37
<
Comp
>
3
:2
Low /PLO
and
/SLO
<
State
>
2
:1
<
Data
>
:9.9E37
< Comp
>
3
:4
1.
Refer
to
the
:FETCh?
Command
in
Chapter
5.
2.
Measurement
Status
:
(0
:
Normal,
1
:
Overload,
2
:
No-Contact)
3.
Comparison
result
:
(1
:
IN,
2
: HIGH,
4
:
LOW
,
8
:
No-Contact)
C-2 Overload/No-Contact Operations