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
22
Output
Terminal
2 core shielded
wire or twisted
pair
Pin23 → EXT-V(-)
Pin22 → EXT-V(+)
Wire shield → EXT-V ground (GND)
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).
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).
4. Press the Output key. The
voltage can now be
controlled with the External
voltage.