TM 11-6130-247-14-1
Function
Control or indicator
c. Connect load to front panel binding posts.
Provide a fine voltage output ad-
VOLT ADJ fine control . . . . . .
d. Set POWER switch S1 to ON and turn front
justment.
panel VOLT ADJ coarse and fine controls fully clock-
Provides coarse voltage output
VOLT ADJ coarse control . . . .
wise.
adjustment.
e. Adjust front panel CUR ADJ coarse and from con-
trols for required current output.
Function
Cotrol
Fuse F1 . . . . . . . . . . . . . . . . . . . Protects the ac input power
NOTE
from overload.
The value of the voltage supplied to the load
Connects various portions of the
Terminal board TB1 . . . . . . .
power supply internal cir-
power supply output constant current.
cuitry. Links may be removed
for different modes of oper-
2-9. Power Supply Setup Procedures for
ation.
V o l t a g e Programing
2-7. Power Supply Setup Procedures for
Voltage programing is used when the operator wishes
C o n s t a n t Voltage Output
to switch from one set constant voltage output to
If the power supply is to be used as a constant voltage
another without returning to the power supply each
source, proceed as follows:
time. To setup the power supply for voltage program-
a. Turn front panel VOLT ADJ and CUR ADJ
ing, proceed as follows.
coarse and fine controls fully counterclockwise and set
a. Turn front panel VOLT ADJ and CUR ADJ
POWER switch S1 to Off.
coarse and from controls fully counterclockwise and set
b. Be sure terminal board links are connected as
POWER switch S1 to off.
b. Determine the value of voltages to be used; for
c. Connect load to front panel binding posts.
example, voltage levels of 28 volts dc, 12 volts dc, and
d. Set POWER switch S1 to ON and turn front
6 volts dc.
panel CUR ADJ coarse and fine controls fully clock-
c. Multiply the value of each voltage to be used by
wise.
100. This will give the value of the resistor that must
e. Adjust front panel VOLT ADJ coarse and fine
be placed across terminal board VOLT PROG termi-
controls for required constant voltage output.
nals (terminal numbers 1 and 2). For example, from b
above, 28 volts x 100 = 2,800 ohms; 12 volts x 100
NOTE
= 1,200 ohms; 6 volts X 100 = 600 ohms.
The value of the current supplied to the load
NOTE
The programing resistors should be low-tem-
power supply constant output voltage,
perature, coefficient wire-wound resistors or
2-8. Power Supply Setup Procedures for
should be maintained at a constant ambient
Constant Current Output
temperature.
If the power supply is to be used as a constant current
d. Connect the resistors to an external programing
source, proceed as follows.
a. Turn front panel VOLT ADJ and CUR ADJ
e. Be sure that terminal board links are connected
coarse and fine controls fully counterclockwise and set
POWER switch S1 to off.
graming switch and resistors across terminals 1 and 3.
b. Be sure terminal board links are connected as
2-4
Change 1