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Reference Manual
00809-0100-4026, Rev KC
Service and Troubleshooting
October 2018
Service and Troubleshooting
7.3.5 Using the Echo Curve Analyzer with a Field Communicator
The Field Communicator supports the EDDL with enhancements that allows viewing of the Echo Curve,
creating an ATC, and specifying amplitude thresholds, such as the Surface Threshold.
Viewing the Echo Curve
To view the Echo Curve:
1. Select HART command [2, 5, 2, 3].
F
OUNDATION
™
Fieldbus parameter:
TRANSDUCER_1300 > AMPLITUDE_THRESHOLD_CURVE
The Echo Curve appears on the display:
2. Use the Hand and Zoom tools to view specific parts of the Echo Curve. The drop down list allows for
choosing items, such as the different amplitude thresholds to be displayed in the plot.
The Echo Curve plot also shows an ATC if available. See “ATC” on page 110 for more information.
Register false echoes
To register false echoes:
1. Select HART command [2, 5, 1].
2. Select option 1 Found Echo Peaks to display found echoes.
3. Select option 2 Add False Echo... to register false echoes based on distance.
1 Found Echo Peaks
2 Measurement Output
3 Registered False Echoes
4 Add False Echo...
5 Remove False Echo...
Peaks
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