MAINTENANCE
Part No.: 4417340 Revision 1 Service Manual 261
954 SmartServo FlexLine
Run-down test
With the run-down test one can estimate the state of the bearings and
the presence of obstructions over a certain range. The command will fill
data arrays containing maximum and minimum measured frequency
over 140 segments. Those segments are equally distributed between
the start and stop position of the test. So, the segment size will be
smaller when the range is smaller (with a minimum of 2 cm). By
decreasing the range, one can zoom in on a certain part of the range.
Entity name Value Range Default Value Explanation
Run down start position
27.0 m
Starting position of the run-down
test. The displacer will go up and
stop at this position or at motor limit
high, whichever comes first.
Run down stop position
0 m
Stop position of the run-down test.
The run-down test will be
terminated at this position or at the
product interface, whichever comes
first.
Run down
Starts the run-down test. When the
run-down test is terminated, the
gauge will perform the default
operation.
The result of the run-down test can only be viewed graphically by the
diagram viewer in Engauge (Run Down Diagram).
Figure 9-4 Example of a smooth run-down diagram (segment size ~3 cm)
Figure 9-4 shows an example of a smooth run-down test over a small
distance. Because of the small segment size, a 0.34m pattern is visible
which is caused by the drum circumference (drum unbalance).
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