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GW Instek PSU-Series User Manual User Manual

Page 119

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ANALOG CONTROL

119

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.

PSU

EXT-V

Analog

connector

23

22

Output

Terminal

2 core shielded

wire or twisted

pair

Pin23 → EXT-V(-)

Pin22 → EXT-V(+)

Wire shield → EXT-V ground (GND)

Panel operation

1. Connect the external voltage according to the

connection diagrams above.

2. Set the F-90 power on

configuration setting to 1 (CV
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-
90=1).

Function

4. Press the Output key. The

voltage can now be
controlled with the External
voltage.

Output