Reference Manual
00809-0100-4840, Rev. BA
July 2008
Rosemount 3100 Series
F-2
TRANSMITTER ACTION
PARAMETERS
(THE 3102 AND 3105)
NOTE:
For relevant menu structures, refer to Appendix D or Appendix E, whichever
is appropriate for your HART Master Device.
Parameter:
BASE UNITS
When the transmitter is shipped from the factory, the default factory settings
of transmitter parameters are metric, imperial ft, or imperial inch,
depending on the model order code (see “Ordering Information” on page A-6).
To change base units, select the Base Units menu option and edit
accordingly.
NOTE:
Keep a record of your programmed settings. Changing the base units
will re-set parameters to their default factory settings.
NOTE:
The Display Units (Reported Units) of the transmitter’s Process Value can be
changed to metric or imperial units of measurement using P012, but this does
not automatically re-scale the PV value. See “P012 (PV Units)” on page F-12.
Parameter:
SET AS EMPTY
Select the Set As Empty menu option. Options are to quit to the previous
menu, or to perform the set as empty action.
If the Bottom Reference is unknown and the tank is empty, the transmitter can
adjust the Bottom Reference (P010) value to be the same as the present
distance measurement with the empty tank.
P010 = D910 - P060
Where:
P010 = Bottom Reference (see page F-5).
D910 = Distance measurement with empty tank.
P060 = Distance (sensor) offset (see page F-19).
Parameter:
PRESENT DEPTH
Select the Present Depth menu option. Options are to quit to the
previous menu, or edit a present depth value.
If the Bottom Reference is unknown and the present liquid depth is known, the
transmitter can adjust the Bottom Reference (P010) value to take into account
an edited present depth reading:
P010 = (Depth + D910) - P060 + P069
Where:
P010 = Bottom Reference (see page F-5).
depth = Edited present depth value.
D910 = Distance measurement.
P060 = Distance (sensor) offset (see page F-19).
P069 = Level offset (see page F-20).
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