User's Manual

Parameter reference
SITRANS LR250 (FOUNDATION FIELDBUS)
132 Operating Instructions, 01/2014, A5E32221411-AB
PV Units (volume/level) (2.3.3.)
Note
•
Default unit of AIFB 1 or 2 is percent.
•
You can select a different unit for your application.
•
PV (Primary Value): the output from the Level Transducer Block. See
Level Transducer
Block (LTB)
and
How the LTB works
: in manual Foundation Fieldbus for Level
Instruments
(7ML19985MP01) for more details.
Select units for either volume or level.
Level values
m, cm, mm, ft, in, %
Volume values
liter, gal, ImpGal, %
Percent value
*
%
Temperature Units (2.3.4.)
Selects the engineering unit to be displayed with the value representing temperature.
Options
DEGC, DEGF, DEGR, K
*
DEGC
Material (2.3.5.)
Automatically configures the device to operate in the chosen application type, by changing one
or more of the following parameters:
Propagation Factor (2.5.3.)
,
Position Detect (2.5.7.2.)
,
and/or
CLEF Range (2.5.7.4.)
.
Options
*
LIQUID
LIQUID LOW DK
a)
(low dielectric liquid - CLEF algorithm enabled)
Related parameters
Propagation Factor (2.5.3.)
Position Detect (2.5.7.2.)
CLEF Range (2.5.7.4.)
a)
dK < 3.0
You can configure each of the related parameters, to suit your particular application.