Sampling (2.2.4.2.); Echo Lock (2.2.4.2.1.) - Siemens SITRANS LR260 Operating Instructions Manual

Radar transmitters ma/hart
Hide thumbs Also See for SITRANS LR260:
Table of Contents

Advertisement

Note
Rising Edge is recommended for solids. COM is recommended for flat targets and liquids.
Echo Threshold (2.2.4.1.3.)
Sets the minimum echo confidence that the echo must meet in order to prevent a Loss of Echo
condition and the expiration of the LOE timer. When Echo Confidence exceeds the Echo
Threshold, the echo is accepted as a valid echo and is evaluated.
Values
Related Parameters
Use this feature when an incorrect material level is reported.
Echo Marker (2.2.4.1.5.)
The point on the selected echo from which the measured value is taken.
Values
Related Parameters
When SITRANS LR260 is using Rising Edge, higher values will cause lower level readings and
lower values will cause higher level readings.
8.5.16.2

Sampling (2.2.4.2.)

Provides a method of checking the reliability of a new echo before accepting it as the valid
reading, based on numbers of samples above or below the currently selected echo.
8.5.16.3

Echo Lock (2.2.4.2.1.)

Selects the measurement verification process.
SITRANS LR260 with mA/HART
Operating Instructions, 11/2019, A5E32337683-AD
Options
Related parameters
Range: 0 to 99 dB
Default: 5
2.4.1. Fail-safe Timer (Page 94)
Range: 5 to 95%
Default: 70%
2.2.4.1.2. Echo Position (Page 82)
Lock Off
*
Maximum Verification
Material Agitator
Total Lock (not recommended for radar)
2.2.7.2. Fill Rate (FILL RATE/MIN)
2.2.7.3. Empty rate (EMPTY RATE/MIN)
2.2.4.2.4. Up Sampling
2.2.4.2.5. Down Sampling
2.2.4.2.6. Window
Parameter reference
8.5 Setup (2.)
83

Advertisement

Table of Contents
loading

Table of Contents