83-507-013 Rev. A
40
Fig.5-3: Series connection for positive/negative output voltages
+S
+
-
-S
-LS
+LS
POWER
SUPPLY
+S
+
+
-
-
-S
-LS
+LS
POWER
SUPPLY
(*)
(*)
(*) Diodes are user supplied.
3. Programming by external resistor:
Programming by external resistor is possible. Refer to Sec-
tion 6-5 for details.
4. Programming via the Serial
The communication port is referenced to the IF_COM
Communication port (RS232/RS485):
which is isolated from the power supply output potential.
Therefore power supplies connected in series can be daisy-
chained using the Remote-In and Remote-Out connectors.
Refer to Chapter 7 for details.
5.14.2 Series connection for positive and negative output voltage
In
this mode, two units are configured as a positive and negative output. Set the Output Current limit of
each power supply to the maximum that the load can handle without damage. It is recommended that
diodes be connected in parallel with each unit output to prevent reverse voltage during start-up or in case
one of the units shuts down. Each diode should be rated to at least the power supply rated output volt-
age and output current. Refer to Fig.5-3 for this operating mode.
Remote
programming in
series operation for positive and negative output voltage
1. Programming by external voltage:
The analog programming circuits of this power supply
are referenced to the negative output potential.
Therefore, the circuits used to control each series
connected unit must be separated and floated from
each other.
2. Using the SO function and PS_OK signal:
The Shut-Off and PS_OK circuits are referenced to
the isolated interface common, IF_COM (J1-2,3). The
IF_COM terminals of the units can be connected to
obtain a single control circuit for the power supplies
connected in series.
3. Programming by external resistor:
Programming by external resistor is possible. Refer to
section 6.5 for details.
4. Programming via the Serial
Communication port (RS232/RS485):
The communication port is referenced to the IF_COM
which is isolated from the power supply output poten-
tial. Therefore power supplies connected in series
can be chained using the Remote-In and Remote-Out
connectors. Refer to chapter 7 for details.
Содержание Genesys GENH 750W
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