Appendix E: Application Examples; Liquid Resin In Storage Vessel, Level Measurement - Siemens SITRANS LR250 Operating Instructions Manual

Appendix E: Application Examples

Note:
In the applications illustrated below, values are for example purposes only.
You can use these 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 FINISH in final step: Wizard
Complete.)
In each example, after performing a Quick Start, navigate to the other required parameters
(either via the handheld programmer, or via AMS Device Manager) and enter the appropriate
values.

Liquid resin in storage vessel, level measurement

Note:
Minimum distance from flange face to target is limited by Near Range (2.5. 1 .).
Sensor
reference
0.5 m
point
High
Cal
Point
5 m
Low Cal
Point
Parameter
Parameter Name
type
Introduction
Language
Material
Quick Start
Response Rate
Wizard
Units
parameters
Low Calibration Point
High Calibration Point
Wizard Complete
Independent
Loss of Echo (LOE) Timer (2.3.6.) 120
parameters
Press Mode to return to Measurement mode.
Page 156 SITRANS LR250 (FF) – OPERATING INSTRUCTIONS
To obtain level measurement proportional to
resin levels:
100% Level
Low Calibration Pt. = 5 m (16.4 ft) from sensor
reference point
High Calibration Pt.= 0.5 m (1.64 ft) from sensor
Max.fill/empty rate = 0.2 m/min. (0.65 ft/min)
In the event of a loss of echo:
0% Level
SITRANS LR250 is to report a status of BAD or
UNCERTAIN after 120 seconds (2 minutes).
reference point.
Options/
Function
Values
NEXT Continue with Wizard.
NEXT Continue with current language.
LIQUID
MED Medium =1 m/minute
M meters
5 5 m (16.4 ft)
0.5 0.5 m (1.64 ft)
Transfers Quick Start settings to
FINISH
device.
120 seconds
7ML19985KL01