Application Examples - Siemens sitrans LR 400 Instruction Manual

Application Examples

You can use these examples as a setup reference. Enter the values in the parameter
tables to select the corresponding functions.
Example 1: Homogenization Silo, level measurement
Note:
• The minimum distance from the flange to the measuring medium is limited by
Parameter 4.2.2.3, Dead band.
• Auto False-Echo Suppression is normally not required on large silos with
concrete walls.
nozzle
height
150 mm
URV
38.0 m
tank height
40.0 m
Parameter Description
1.1 Language Local
1.2 Length Unit
1.3 Nozzle Height
1.4 Tank Height
1.5
1.6
1.7 Level Damping
1.8 Application Type
Page 24 SITRANS LR 400 (Solids) – INSTRUCTION MANUAL
LRV
3.0 m
tank diameter
10.0 m
Value
English
m
150
40
Level URV 38
Level LRV 3
500
Silo2
The application is to obtain a
level measurement and
corresponding 4 to 20 mA
output proportional to cement
levels in a homogenization silo.
Lower Range value (LRV) is
3 m, measured from the
bottom of the tank. Upper
Range value (URV) is 38 m
measured from the bottom of
the tank.
Function
LCD language setting
meters
150 mm
meters
meters
meters
seconds (for slow moving applications)
application user type (solids with low
reflectivity)
7ML19985JC02