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Reference Manual
00809-0100-4840, Rev CB
Section 4: Starting up
February 2015
Starting up
4.4.12 Setting the 20 mA point (on the 3102/3105)
Screen Display: 20
Default: 10.7
Enter the PV value to be signalled by 20 mA. The 20 mA point may be set above or below the
4 mA point to suit monitoring or control equipment.
Note
The 4 and 20 mA points can be set-up by ranging the transmitter to the liquid surface.
See “Setting the 4 and 20 mA levels using ranging (on the 3102/3105)” on page 54.
This “20” menu option is in the programming menu. See Figure C-2 on page 103 for a map of
the menu structure and how to access the menu options.
To change the 20 mA point
1. If entering the menu system from the PV display, press the green button repeatedly
until the “20” menu option is indicated (see the above note).
2. Press the blue button
to enter the “20” menu and to display the present 20 mA point
value
3. If the 20 mA point is correct, press the red button
and then the green button to get
to the next menu option. Otherwise, continue with step (4).
4. Press the blue button
to start the editing mode. The first digit flashes to indicate it
can now be edited.
5. Press the green button
repeatedly to edit the flashing digit.
6. Press the blue button
to move to the next digit. The digit flashes to indicate it can be
edited.
7. Repeat steps (5) and (6) until the last digit is flashing, and edited as required.
8. Press the blue button
to confirm the new value. (The flashing stops).
9. Press the red button
to save if the new value is correct, or press the blue button to
not save. Afterwards, depending on the button pressed, either the “20” menu or the
next menu appears.
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