Siemens SITRANS LR250 Operating Instructions Manual page 98

Remote operation
7.1 Operating via AMS Device Manager
Level and Volume Breakpoints [see XY Index (2.4.1.5.)]
● Level 1 .... Level 32
● Volume 1 ... Volume 32
● Vessel Shape
1. The default for level values is percent: if you want to select units instead, go to
Configure/Setup > LTB > Setup > Sensor > Level Unit, and select the desired unit.
2. Go to Configure/Setup > LTB > Setup > Sensor > PV (Volume/Level) Unit, and select the
desired volume units.
3. From the Vessel Shape tab of Configure/Setup > LTB > Setup > Linearization, select
Linearization Table option in the Vessel Shape field.
4. Click on the Breakpoints tab and enter values for level and volume breakpoints in table.
The values corresponding to 100% and 0% levels must be entered. The breakpoints can be
ordered from top to bottom, or the reverse.
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.)]
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SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 08/2014, A5E32221411-AC