E. Set the SLAVE VOLTAGE and CURRENT control to maximum output.
F.
When connected in series, from the master VOLTAGE controls of each power supply exercise control over
0
to rating
range. Add the two voltmeter readings together to determine the total output voltage, or an external voltmeter may
1"
be connect across the load.
G.
Load current may be monitored from either supply; the reading
will
be identical since they are connected in series.
Also, since the supplies are connected in series,
it
is only necessary to set the current limit of the master power supply;
the slave would set for maximum.
(3) Parallel Operation
Two power supplies may be connected in parallel to provide rating voltage and higher current output. See Fig. 5
-
3 for the
connection scheme.
A. Set power switch to
"
OFF
1
'
position.
8.
Set the
"
Master
"
power supply INT
-
SLAVE switch to
"
INT
"
position and set the
"
SLAVE power supply INT
-
SLAVE switch
to
"
PAR
-
SLAVE position.
C.
From the
"
MASTER
"
power supply
"
PAR
"
output terminal connected to
"
SLAVE
power supply
"
PAR
"
input.
D.
When connected in parallel the VOLTAGE controls of each power supply exercise control over a
0
to rating range. Add
the two ammeter readings together to determine the total output current or an external ammeter may be connected series the
load.
1
E. The output voltage may be monitored from either supply; the readings will be identical since they are connected in parallel.
I
Also, since the supplies are connected in parallel,
it
is only necessary to set the current limit of the master power supply;
I
the slave would set for maximum.
i
F.
Set power switch to
"
ON
"
position.
G. Set the SLAVE VOLTAGE and CURRENT control to maximum output.
H.
Set the MASTER output voltage lower than 0.2-0.5V of SLAVE output voltage, this point is very important.
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