Agilent Technologies 4339B - Page 272

Overload/Over-Current/No-Contact
Operations
4339B
When
the measurement
parameter is
I,
High
or
Low
status
in
the
operation
of
handler/GPIB
output
and display
is
reversed
as
shown
in
T
able
C-2
.
T
able C-2.
O
VLD/Over-Current/N.C.
Operations(Meas
.
parameter:
I)
Display
Handler
Output
GPIB
Output
1
Solutions
Data
Mode
Comprtr
Mode
< stat
>
2
:1
O
VLD
O
VLD
HIGH /HI <
data
>
:
9.9E37
Select
an
appropriate
measurement
range.
(Overload) <
comp
>
3
:
2
/HI <
stat
>
2
:
4
Reduce
the
source
voltage
.
Over-Current O
V
CURR
HIGH & <
data
> :
9.9E37
Check
whether
a short
circuit is
occurred.
/NOT
READY
<
comp
>
3
:
2
<
stat
>
2
:
2
Cancel
the
bad
contact
between
DUT
and
N.C. N.C. N.C. /NO
CONT
A
CT
<
data
>
:
9.9E37
contact-pin.
(No-Contact) < comp
>
3
:8
O
VLD
/HI <
stat >
2
:
3
Select
an appropriate
measurement
range
.
& O
VLD
HIGH & <
data
>
:
9.9E37
Cancel
the
bad
contact
between
DUT
and
N.C. /NO
CONT
ACT
<
comp
>
3
:
10
contact-pin.
O
VLD
/HI <
stat
>
2
:
5
Select
an
appropriate
measurement
range
.
& O
V
CURR
HIGH & <
data
>
:
9.9E37
Reduce
the
source
voltage
.
Over-Current /NOT
READY
<
comp
>
3
:
2
Check
whether
a
short
circuit
is
occurred.
1
Refer
to
:FETCh?
in
Chapter
5
2
Measurement
status
(0:Normal,
1:Overload, 2:No-Contact,
4:Over-Current)
3
Comparison
result
(1:In,
2:High,
4:Low
,
8:No-Contact)
C-2 Overload/Over-Current/No-Contact Operations