Siemens SITRANS LR560 Operating Instructions Manual page 79

2.4.5.5.
The point on the primary echo on which the measured value is based.
Values
Use this feature if the reported material level fluctuates slightly, due to a
variable rise in the leading edge of the true echo on the Echo Profile.
Enter the value (in percent of echo height) to ensure the Echo Lock
Window intersects the Echo Profile at the sharpest rising portion of the
Echo Profile representing the true echo. This value is preset to 70%.
2.4.6. Sampling
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.
2.4.6.1.
Selects the measurement verification process.
Options
Related
parameters
For radar applications, Material Agitator is the most often used setting, to
avoid agitator blade detection.
2.4.6.2.
Specifies the number of consecutive echoes that must appear above the
echo currently selected, before the measurement is accepted as valid.
Values
2.4.6.3.
Specifies the number of consecutive echoes that must appear below the
echo currently selected, before the measurement is accepted as valid.
Values
7ML19985LT01 SITRANS LR560 (PROFIBUS PA) – OPERATING INSTRUCTIONS
Echo Marker
Range: 5 to 95%
Default: 70%
Echo Lock
Lock Off (no verification)
Maximum Verification (not recommended for radar)
* Material Agitator
Total Lock (not recommended for radar)
Fill Rate/Min (2.3.6.2.)
Empty rate/Min (2.3.6.3.)
Sampling up (2.4.6.2.)
Sampling down (2.4.6.3.)
Sampling up
Range: 1 to 50
Default: 5
Sampling down
Range: 1 to 50
Default: 2
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