SKF Microlog GX Series - Waterfall Plot Display

Run Up / Coast Down Module
Displaying Acquired Data
Waterfall Plot Display
For analysis purposes, setup options for how to best process and display the recorded
data for each display format are specified by the user prior to data display.
Waterfall Analysis Setup
• From the RUCD – Display Select menu, use arrow keys to highlight the Waterfall
icon, and press an Enter button. The RUCD – Waterfall Setup screen displays.
Figure 7 - 12.
The Waterfall Setup Screen.
Waterfall analysis setup fields include:
Channels – If multiple channels were recorded, specify which channel’s data to display
in the Bode plot.
Start Spd / Stop Spd (RPM) – For the recorded data, determines the start and stop
speeds for Waterfall plot analysis.
Spacing – (
∆
RPM, %
∆
RPM,
∆
Time,
∆
RPM +
∆
Time, %
∆
RPM +
∆
Time) -
Determines
the type of interval used when FFT spectra are calculated from the
recording. Affects subsequent Speed Interval and Time Interval settings, which
update to allow corresponding settings.
∆
RPM – fixed speed change between spectra
%
∆
RPM – percentage speed change between spectra
∆
Time – fixed time interval between spectra
∆
RPM +
∆
Time - Combination of speed and time settings. If speed stops
changing, then spectra are calculated at the defined time interval.
%
∆
RPM +
∆
Time - Combination of speed and time settings. If speed stops
changing, then spectra are calculated at the defined time interval.
SKF Microlog - GX Series 7 - 15
User Manual