Appendix E: Application Example; Flour In Steel Storage Vessel, Level Measurement - Siemens SITRANS LR260 Operating Instructions Manual

Appendix E: Application Example

In the applications illustrated below, values are for example purposes only.
Note:
You can use this examples as setup references. Enter the values in the parameter tables
to select the corresponding functions.
Configure the basic settings using the Quick Start wizard parameters. (These parameters
are inter-related, and changes take effect only after you select YES in step 7 (or Finish
and Transfer in PDM) to apply changes.)
In each example, after performing a Quick Start, navigate to the other required
parameters (either via the handheld programmer, or via SIMATIC PDM) and enter the
appropriate values.

Flour in steel storage vessel, level measurement

Minimum distance from flange face to target is limited by
Note:
on page 62
.
Sensor
Reference Point
High
Calibration
Point
16 m
Low
Calibration
Point
A5E32337685 SITRANS LR260 (PROFIBUS PA) – OPERATING INSTRUCTIONS
SITRANS LR260
0.5 m
level
Near Range 2.2.3.5.1.
To obtain level measurement
proportional to flour levels:
Low Calibration Pt. = vessel
bottom
High Calibration Pt.= 0.5 m
from sensor reference point.
Max.fill/empty rate = 0.1 m/
min.
In the event of a loss of echo,
SITRANS LR260 is to go into
Fail-safe High after 2 minutes.
Page 113