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Parameter reference
SITRANS LR250 with FOUNDATION FIELDBUS
130
Operating Instructions, 09/2021, A5E32221411-AH
Example (values are for example purposes only)
Breakpoint Number Level value (m) Volume value (l)
1 0 0
2 5 500
3 9 3000
4 19.5 8000
Entering breakpoints via the hand-held programmer:
1. The default for level values is percent: if you want to select units instead, navigate to Setup
(2.) > Sensor (2.3.) > Level Unit (2.3.2.) , and select the desired unit.
2. Navigate to Setup (2.) > Sensor (2.3.) > PV Units (volume/level) (2.3.3.) , and select the
desired volume units.
3. Go to XY index (2.4.1.5.) and enter the number of the breakpoint you wish to adjust: for
example, for breakpoint 1 enter 1 .
4. Go to X value (2.4.1.6.) and enter the level value for the breakpoint just identified.
5. Go to Y value (2.4.1.7.) and enter the volume value for the breakpoint just identified.
6. Repeat steps 3 to 5 until values have been entered for all required breakpoints.
X value (2.4.1.6.)
See XY Index (2.4.1.5.) .
Y value (2.4.1.7.)
See XY Index (2.4.1.5.) .
Entering breakpoints via AMS: See Linearization (LTB) (Page 79)
After completing the above steps you will need to configure AIFB 1 and/or AIFB 2. [See AIFB 1
(2.6.) and AIFB 2 (2.7.) for details.]
Signal Processing (2.5.)
In AMS Device Manager, see the General tab under Signal Processing (LTB) (Page 80).