Diagnosing From A Waveform; Introducing The Waveform Display; Accessing The Waveform Display - ABB LWT300 series User Manual

Diagnosing from a waveform

Most echo-related problems, as listed in Table 3, can also be diagnosed with the help of the integrated
waveform display. Waveform management is performed from the Diagnostics menu.
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Figure 44 Accessing the waveform display

Introducing the waveform display

The waveform display illustrates the signal traveling along the probe.
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Figure 45 The waveform display
1
8
7
Display of the level (LVL), distance (DIS) or ullage (ULL) value
1
Display of the blocking distance (BLK) or safety distance (SFD)
2
Level marker
3
Exit or Edit indicator
4
Zoom information
5
Reference distance
6
Display value selector
7
8 Blocking distance (or safety distance, if SFD selected in 2) marker

Accessing the waveform display

You access the waveform display from the Diagnostics menu by selecting around which point along the
waveform you want to center your marker.
• To access the waveform display, select Diagnostics > Waveform > [desired centering location]. (At
Sensor Ref. Point, At Level, At Distance, or At End of Probe).
2
3
6 5 4
Maintenance and troubleshooting
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