Emerson Rosemount 3100 Series - Setting the Correct Bottom Reference (the 3102;3105)

Reference Manual
00809-0100-4840, Rev. BA
July 2008
Rosemount 3100 Series
4-14
NOTE:
• When using the green button
↓ to scroll through the list of measurement
units, allow three seconds after each button press for the transmitter to
check and display the selection.
NOTE:
• After changing units, a scaling factor (see page 4-19) needs to be edited
to see the correct PV.
Setting the Correct
Bottom Reference
(The 3102/3105)
Screen display: b.rEF
Factory default value: 11
The transmitter leaves the factory with the bottom reference pre-programmed
to the maximum range of the instrument 36 ft (11 m).
NOTE:
It is important to not enter a value greater than the maximum range of the
transmitter, which is 36 ft (11 m).
Figure 4-3. Bottom Reference
NOTE:
This menu option is in the programming menu. See Figure C-2 on page C-3
for a map of the menu structure and how to access the menu options.
To change the bottom reference:
a) If entering the menu system from the PV display, press the green button
↓
repeatedly until the “b.rEF” menu option is indicated (see note above.)
b) Press the blue button
→ to enter the “b.rEF” menu and display the
present bottom reference (b.rEF) value.
c) If this value is correct, press the red button
↵ and then the green button to
get to the next menu option.
d) Press the blue button
→ to start the editing mode. The first digit flashes to
indicate it can now be edited.
e) Press the green button
↓ repeatedly to edit the flashing digit.
f) Press the blue button
→ to select the next digit. The digit flashes to
indicate it can be edited.
Distance-to-target
Depth (Level)
Bottom Reference