(4) Remote control of output voltage
The output voltage of the power supply can be remote
-
controlled with an external voltage, the connection scheme as
follow, See Fig.
5-4.
Fig.
5
-
4
REAR PANEL
---
+
REMOTE CONTROL VOLTAGE
SOURCE
r-
POWER
SUPPLY
IINT~ SUVE
I
A.
Set the power supply INT
-
SLAVE switch to
"
SER
-
SLAVE
"
position.
B.
The
"+"
line of control voltage source is connected to the
"
SER input terminal and the
"-"
line of control voltage source
is connected to the power supply output
"+"
terminal.
C.
The output voltage Eo calculate as follows formula:
Eo
=
lLLEL
10
Eo: Output voltage of the power supply.
Er: Rated voltage of the power supply.
Ec: Remote control voltage.
OeEceapprox. 10V
D.
For the remote voltage source Ec, use a divice which provides'a stable, low noise voltage source (a GOOD WILL GPR,
GPC
series power supply or an equivalent device).
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