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Lambda LP Series - Programmed Constant Voltage Operation

Lambda LP Series
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5.
When
current
to
the
load
must
be
limited
to
an
intermediate
value
within
the
current
rating
of
the
supply,
turn
the
CURRENT
LIMITER
controls
to
the
desired
current
limit
setting.
If
no
intermediate
current
limit
is
required,
turn
the
control
CW
to
the
position
for
full
current
rating
for
the
maximum
ambient
temperature
of
operation.
Refer
to
section
on
Specifications
and
Features.
6.
Apply AC
power
to
the
supply.
7.
Place
power
ON-OFF
switch
in
ON
position
and
check
that
red
power
ON
indicator
is
lit.
8.
Check
that
output
current*
and
output
voltage
meters
indicate
desired
values;
as
required,
adjust
OUTPUT
VOLTAGE
control
knobs
and
CURRENT
LIMITER
controls
to
obtain
correct
meter
indications.
For
non-metered
models
use
externally
coru1ected
meters
and
check
that
correct
meter
indications
exist
at
output
terminals
6
and
4,
or
at
front
panel
test
jacks
(+)
and(-)
for
voltage
checks
only;
for
remote
sensing
connections,
check
at
the
load
terminations
of
sensing
leads
on
terminals
3
and
7.
*Ammeter
indicates
a
nominal
5
milliamperes
offset
from
zero,
which
is
the
sensing
divider
current
and
not
load
current.
For
load
current
use
the
5
rna.
point
as
zero
point.
9.
Power
supply
is
now
in
proper
operation.
Programmed
Constant
Voltage
Operation,
Adjustable
Current
Limit
L
Remove
AC
power
input
to
the
supply
and
place
power
ON-OFF
switch
in
OFF
position
before
connecting
load
to
the
supply.
2.
Determine
load
requirements,
select
wire
size
and
length
from
figures
1
and
2
and
choose
desired
type
of
supply-load
connection
from
figures
5
or
6.
Refer
to
para-
graph
on
Programmed
Voltage
Connections.
3.
Connect
supply
to
load
as
shown
on
the
selected
connection
diagram
. As
shown
in
figure
5,
take
care
to
use
a
shorting-type
switch
for
the
external
programming
control
when
several
voltages
are
desired
and
the
programming
voltage
method
is
not
used.
4.
Turn
OUTPUT
VOLTAGE
control
knobs
to
the
extreme
CCW
position.
Adjust
external
programming
voltage
control
to
desired
voltage
setting
.
5.
When
current
to
the
load
must
be
limited
to
an
intermediate
value
within
the
current
rating
of
the
supply,
turn
the
CURRENT LIM
ITER
controls
to
the
desired
current
limit
setting.
If
no
intermediate
current
limit
is
desired,
turn
the
controls
CW
to
the
position
for
full
rated
current
for
the
ambient
temperature
of
operation.
Refer
to
section
on
Specifications
and
Features.
6.
Apply AC
power
to
the
supply.
7.
Place
power
ON-OFF
switch
in
ON
position
and
check
that
red
power
ON
indicator
is
lit.
8.
Check
that
output
current*
and
output
voltage
meters
indicate
desired
values;
as
required,
adjust
CURRENT
LIMITER
controls
and
external
programming
voltage
control
to
obtain
correct
meter
indications.
For
non-metered
models
use
externally
connected
meters
and
check
that
correct
meter
indications
exist
at
output
terminals
4
JM..:.LP400
11
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