Emerson Rosemount 5400 Series - Page 150

138
Reference Manual
00809-0100-4026, Rev HA
Section 7: Service and Troubleshooting
November 2014
Service and Troubleshooting
The Configuration Mode tab
The Configuration Mode tab allows for adjustment of the different amplitude thresholds. When
clicking the Echo Curve icon under Device Config/Setup, the Echo Curve Analyzer window appears
with the Configuration Mode tab selected:
Figure 7-8. Echo Curve Analyzer Plot in Configuration Mode
The Measure and Learn function in RRM automatically creates an ATC used by the Rosemount
5400 Series transmitter to find the surface pulse. The ATC is adapted to the shape of the
measurement signal as described in “Echo tuning” on page 83.
To create an ATC, click the Learn button in the Echo Curve Analyzer/Configuration Mode window.
By clicking the Learn button, the Measure and Learn function is activated and creates an ATC
that filters out all disturbing echoes. The ATC can also be edited manually if further fine tuning is
needed.
The Configuration Mode window also allows the changing of the amplitude thresholds manually,
simply by dragging the corresponding anchoring points in the plot to the desired positions.
Note
By changing the amplitude thresholds in the Echo Curve plot manually, the Automatic mode is
disabled for the corresponding threshold.
The Set Thresholds button sets the ATC to a fixed value based on the configured Dielectric
Constant of the product.
To register a false echo, right-click and select Register as false echo.
Set Threshold
Measure and Learn