User manual

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PSU Series User Manual

146

Isolated External Voltage Control of Current Output

Background

Voltage control of the current output uses the

isolated voltage option (PSU-ISO-V). A voltage

of 0~5V or 0~10V is used to control the full

scale current of the instrument, where:

For 0~5V: Output current = full scale current ×

(external voltage/5)

For 0~10V: Output current = full scale current ×

(external voltage/10)

Connection

When connecting the external voltage source to

the isolated voltage option, use shielded or

twisted paired wiring.

PSUEXT-V

Isolated

Voltage

Option

＋

－

4

3

Output

Terminal

2 core shielded

wire or twisted

pair

1or8

 Pin4(GND_ISO) → EXT-V (-)

 Pin3(+IPROG_ISO) → EXT-V (+)

 EXT-V ground (Shield) → Wire shield