Emerson Rosemount 3100 Series, Справочное руководство, Страница: 36 / 144

Reference Manual
00809-0100-4840, Rev. BA
July 2008
Rosemount 3100 Series
4-6
Setting the Bottom
Reference (The 3101)
Screen display:
b.rEF
NOTE:
See Figure C-1 on page C-2 for a map of the programming menu structure
and how to access all the menu options.
To change the bottom reference (b.rEF) setting:
a) If entering the menu system from the PV display, press the green button
↓
to indicate the “
b.rEF
” menu option (see above note.)
b) Press the blue button
→
to enter the menu for
b.rEF
. The display
indicates the present
b.rEF
value.
c) If this value is correct, press the red button
↵
, and then press the green
button
↓
to get to the next menu option.
d) Press the blue button
→
to start editing. The first digit flashes to indicate it
can be edited.
e) Press the green button
↓
repeatedly to edit the flashing digit.
f) Press the blue button
→
to move to the next digit. The digit flashes to
indicate it can be edited.
g) Repeat steps (e) and (f) until the last digit is flashing, and edited as
required.
h) Press the blue button
→
to confirm the new
b.rEF
value. None of the
digits should now be flashing.
i) If the new value is correct, press the red button
↵
to save. The display
changes to the next menu option.
j) If the new value is incorrect, press the blue button
→
to exit to the menu.
The “
b.rEF
” re-appears; re-start at step (b) or press
↓
for the next menu.
Setting 4 mA and 20 mA
Levels (The 3101)
Screen display:
4
and
20
The 4 mA level may be set above, or below, the 20 mA level to suit the
monitoring or control equipment.
NOTE:
To set the 4 and 20 mA levels by ranging the transmitter to a fixed target, such
as the level in the tank at any particular time, skip these menu options by
pressing the green button
↓
twice to get to the next menu option.
NOTE:
See Figure C-1 on page C-2 for a map of the programming menu structure
and how to access all the menu options.
To change the 4 mA value:
a) If entering the menu system from the PV display, press the green button
↓
repeatedly until the “
4
” menu option is indicated (see above note.)
b) Press the blue button
→
to enter the menu for the 4 mA level. The display
indicates the present value of the 4 mA level.
c) If this value is correct, press the red button
↵
, and then press the green
button
↓
to get to the next menu option.
d) Press the blue button
→
to start editing. The first digit will flash to indicate
it can be edited.