Siemens sitrans LR 400 Instruction Manual page 48

4.2.4.4: MinLim Level (F = 0 m)
Lower limit value of the level (see Functional Dimensions on page 30)
Value
Set the lower limit value of the level as a height above the LRV.
4.2.4.5: MaxLim Level (F = 0 m)
Upper limit value of the level (see Functional Dimensions on page 30)
Value
Set the upper limit value of the level as a height above the LRV.
4.2.4.6: HYST Level (F = 0.5 m)
Hysteresis of the level limit values
Value
Set the hysteresis of the limit values in the units system selected according to Parameter
4. 1 .1 (see diagram below).
Limit value alarm
measuring variable
upper limit
value
hysteresis
4.2.5: Volume Parameters
To calculate the volume of the measuring medium, you need the level parameters (see
Parameter 4.2.4) in the units selected according to Parameter 4.1.1 and additionally a
vessel characteristic (Parameter 4.2.5.7).
Page 44
numerical value
numerical value
numerical value
limit value
alarm
time
SITRANS LR 400 – INSTRUCTION MANUAL
measuring variable
hysteresis
lower limit
value
limit value
alarm
time
7ML19985FH03