60
Reference Manual
00809-0100-4840, Rev CB
Section 5: Service and Troubleshooting
February 2015
5.4.3
Diagnostic data (on the 3102/3105)
The Rosemount 3102 and Rosemount 3105 can display diagnostic data that can aid setting-up
and fault-finding.
To aid interpretation, the data will alternate with text to remind what data is being displayed. In
the diagnostic menu, the data cannot be edited.
To enter the diagnostic menu from the PV display, press the blue button
to display the menu
option “diAg”.
Note
See
for a map of the diagnostics menu structure.
Diagnostic information is then available by following this sequence:
1.
Press the green button
to display the distance-to-target in the selected base units
(m, ft, or in.). The transmitter is measuring distance-to-target regardless of the duty
selected.
(Press the red button
at any time to re-display the “diAg” menu option, and selecting
it again restores the PV display).
2.
Press the green button
to get to the next diagnostic data, “LEUEL”.
This is the level measurement in base units that the transmitter has calculated based
upon the bottom reference and the distance measured, regardless of the duty chosen
for the instrument.
3.
Press the green button
to get to the next diagnostic data, “Echo. S”.
This is the echo size being received on a scale of 0 to 100. It is recommended that a
value greater than 10 be achieved.
4.
Press the green button
to get to the next diagnostic data, “Echo. n”.
This is the number of echoes being received and can be an indicator of the data being
processed by the transmitter. A thorough understanding of ultrasonic level systems is
required to interpret this data.
5.
Press the green button
to get to the next diagnostic data, “F”.
This is the frequency at which the transmitter is operating, and should read between
49 and 58 kHz.
6.
Press the green button
to get to the next diagnostic data, “t”.
This is the temperature being recorded by the integral temperature sensor (or remote
temperature sensor, if fitted) and is being used by the transmitter to calculate the
distance-to-target.
7.
Press the green button
and then the blue button
to change to the PV display.
Summary of Contents for Rosemount 3101
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