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157
Reference Manual
00809-0100-4530, Rev DD
May 2016
7.3.2
Using the echo curve analyzer with a Field
Communicator
The Field Communicator supports the Electronic Device Description Language (EDDL) with
enhancements that allows you to view the Echo Curve, create an Amplitude Threshold
Curve (ATC) and specify amplitude thresholds such as the Surface Threshold, Interface
Threshold, and Reference Threshold.
Viewing the echo curve
To view the echo curve:
1.
Select HART
®
command [2, 6, 1].
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 you choose items, such as the different amplitude thresholds, to
be displayed in the plot.
The echo curve plot also shows an ATC if available. See
for information on how to create an ATC with the
Measure and Learn
function.
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