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 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 voltage and output current. Refer to Fig.5-3 for this operating mode.

+LS +S

POWER + SUPPLY -

-LS -S

+LS +S

POWER + SUPPLY -

-LS -S

(*)

(*)

+

-

(*) Diodes are user supplied.

Fig.5-3: Series connection for positive/negative output voltages

Remote programming in series operation for positive and negative output voltage

1.

Programming by external voltage:

The analog programming circuits of this power sup-

 

 

ply 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 con-

 

 

nected 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

The communication port

is referenced to

the

 

Communication port (RS232/RS485):

IF_COM which is isolated from the power supply

 

 

output potential. Therefore

power supplies

con-

nected in series can be chained using the Remote- In and Remote-Out connectors. Refer to chapter 7 for details.

41

83-515-000 Rev. B

Page 49
Image 49
TDK 5KW technical manual Series connection for positive and negative output voltage

5KW specifications

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