ANALOG CONTROL
151
Connection- alt.
shielding
If the wire shield needs to be grounded at the
current source (EXT-I), then it can be connected as
shown below.
PSUEXT-I
Isolated
Current
Option
4
2
Output
Terminal
2 core shielded
wire or twisted
pair
Pin4(GND_ISO) → EXT-I (-)
Pin2(+VPROG_ISO) → EXT-I (+)
EXT-I ground (GND) → Wire shield
1. Connect the external current source according
to the connection diagrams above.
2. Set the F-90 power on
configuration setting to 4 (Control
by Isolated Board).
3. Set the F-96 power on configuration setting to 1.
4. Set the F-97 power on configuration setting to 1.
Be sure to cycle the power after the power on
configuration has been set.
5. Press the Function key and confirm
the new configuration settings
(F-90=4, F-96=1, F-97=1).
6. Press the Output key. The
voltage can now be
controlled with the isolated
external current control.
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