83-515-000 Rev. A
41
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
Section 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 con-
nectors. 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 voltage 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 potential. Therefore power supplies
connected in series can be chained using the
Remote-In and Remote-Out connectors. Refer to
chapter 7 for details.
Summary of Contents for 2U GENESYS 5kW
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