Operating the Power Supply Locally 3

Set the programming resistors to the desired resistance and turn the power supply on. Adjust the resistors to change the power supply output.

The analog control circuits let you set the output voltage and current limit up to 5% over the model-rated maximum value. The power supply will operate within the extended range, however it is not recommended to operate the power supply over its voltage and current rating, and performance in this region is not guaranteed.

SW1 switch 3

 

Voltage Programming

Current programming

 

 

(J1 pin 9)

(J1 pin 10)

Down (default)

 

0 – 5 kΩ

0 – 5 kΩ

Up

 

0 – 10 kΩ

0 – 10 kΩ

CURRENT LIMIT

 

 

OUTPUT VOLTAGE

 

PROGRAMMING

 

 

PROGRAMMING

PROGRAMMING

PROGRAMMING

 

 

 

RESISTOR

 

 

 

RESISTOR

12

10

9

8

 

13

 

 

 

1

25

 

 

 

14

OPTIONAL SETS

23

22

 

OPTIONAL SETS

LOWER LIMIT

 

LOWER LIMIT

 

 

 

OPTIONAL SETS

 

 

 

OPTIONAL SETS

UPPER LIMIT

 

 

 

UPPER LIMIT

External Monitoring of Output Voltage and Current

The J1 connector also provides analog signals for monitoring the output voltage and current. Selection of the voltage range between 0

5 V or 0 – 10 V is made by SW1 setup switch 4. The monitoring signals represent 0 to 100% of the power supply output voltage and current rating. The monitor outputs have a 500 series output resistance. Make sure that the sensing circuit has an input resistance greater than 500 kor the accuracy will be reduced.

SW1 switch 4

Voltage

J1 signal

Signal function

 

range

connection

 

Down (default)

0

– 5 V

J1 pin 11

Voltage Monitor

 

 

 

J1 pin 24

Current Monitor

Up

0

– 10 V

J1 pin 11

Voltage Monitor

 

 

 

J1 pin 24

Current Monitor

J1 pin 12 is the signal common for J1 pins 11 and 24.

Series N5700 User’s Guide

45

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Agilent Technologies 5747A, 5752A, 5744A, 5743A, 5748A, 5741A, 5746A, 5751A External Monitoring of Output Voltage and Current

5751A, 5744A, 5743A, 5750A, 5749A specifications

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