Leader LPS-151 - Controls and Connectors

Ammeter
Accuracy:
Insulation
Voltage;
Circuit
Protection:
5 % of the
full scale
reading.
1500 Vac
applied
for one
minute
between one
of
the ac
input
ter-
minals
and
the case of the
power
supply.
Overload
protection
circuit with
automatic
resetting
by
sensing a
constant
current.
Power
Consumption;
Heat
Sink
Temperature
Range:
LPS-151:
approx.
120VA
LPS-i52;
approx.
220V
A
At room
temperature
(23
to
25°C)
85°C
(185°F)
with
100% load.
Operating
Temperature
Range
Operating
Humidity
Range
Storage
Temperature
Range
Size
{W
X
H X D)
Weight:
Supplied
Accessories:
0^
to
35°C
(32"
to
95°F)
30
to
85%
(non
-con densing)
-20
to
-H70"C(-4to
158°F)
LPS-151:
8V2 X
5^4
X 13 in.
215 X
132 X 332
mm.
LPS-152:
8»/2x5V4
x
14'/k in.
2 1 5
X 1 32 X
360
mm.
LPS-151:
13y2!bs.;6.1
kg
LPS-152:
l5V4lbs.;7,5kg
Instruction
Manual
4.
CONTROLS
AND
CONNECTORS
Figure
4-1.
Front
Panel
Front
Panel,
Refer
to
Figure
4-1
.
POWER
Switch
Press
to
turn on power. Press
again to release button
and
turn
off
power.
Pilot lamp
METER
selector
switches
©
©
@
REFERENCE/±25V
Control
Lights when power is on.
These switches assign the
volt-
meter and
ammeter to one of the
ranges.
(3)
is for
the
+25V source.
(4)
is
for
the —25V source, and
(5)
is for the
+6V
source.
This
provides
output
voltage
level
setting
for the
+25V
and
-25V range
sources.
Q
TRACKING
RATIO
Selector
Switch
In the
FIXED
position,
the
REF-
ERENCE/±25V
control
(6)
sets
both 25V
sources
to the
same
magnitude
but
opposite
polarity.
In the
VARIABLE
position,
ratio
tracking
of the
-25V
source
using the
+25V source as
a refer-
ence
is
possible.
Case
ground
terminal
This
terminal
is
connected
di-
rectly
to the case
(
9
)
TRACKING
RATIO
Control
This
control
determines
the
track-
ing
ratio for
the
—25V
source.
When the
TRACKING
RATIO
selector
switch
is
in
FIXED,
this
control
is disabled.
2