User manual

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PSU Series User Manual

122

Connection- alt.

shielding

If the wire shield needs to be grounded at the

voltage source (EXT-V), then the shield cannot

also be grounded at the negative (-) terminal

output of the PSU power supply. This would

short the output.

PSUEXT-V

Analog

connector

＋

－

23

21

Output

Terminal

2 core shielded

wire or twisted

pair

 Pin23 → EXT-V (-)

 Pin21 → EXT-V (+)

 Wire shield → EXT-V ground (GND)

Steps

1. Connect the external voltage according to the

connection diagrams above.

2. Set the F-91 power on

configuration setting to 1 (CC

control – Ext voltage).

Page 111

 Be sure to cycle the power after the power

on configuration has been set.

3. Press the Function key and confirm

the new configuration settings (F-

91=1).

Function

4. Press the Output key. The

current can now be

controlled with the

External voltage.

Output