User's Manual

Page 74 SITRANS LR560 (PROFIBUS PA) – OPERATING INSTRUCTIONS 7ML19985LT01
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Parameters
2.4.6.4. Echo Lock Window
A “distance window” centered on the echo
1)
is used to derive the reading.
When a new measurement is in the window, the window is re-centered
and the reading is calculated.
When the value is 0, the window is automatically calculated after each
measurement.
• For slower Measurement Response values, the window is narrow.
• For faster Measurement Response values, the window becomes
progressively wider.
2.4.7. Echo Quality
2.4.7.1. Confidence
Indicates echo reliability: higher values represent better echo quality. The
display shows the echo confidence of the last measurement. Echo
Threshold (2.4.5.3.) defines the minimum criterion for echo confidence.
Open the menu Device – Echo Profile Utilities and click on the tab Echo
Profile.
2.4.7.2. Echo Strength
Displays the absolute strength (in dB above 1 μV rms) of the echo selected
as the measurement echo.
Open the menu Device – Echo Profile Utilities and click on the tab Echo
Profile.
1)
See Echo Lock (2.4.6.1.) on page 118 for more detail.
Values
Range: 0 to 105 m
Default: 0 m
Note: The Echo Lock window is stored as a standard sample, but
displayed in sensor units. Any value entered for the Echo Lock window
will be rounded to the nearest sample.
Values (view only)
0 to 99
---- Shot not used
Related Parameters
Echo Threshold (2.4.5.3.)
Values (view only)
–20 to 99