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Chapter 3
Setting Up Measurements
102
The Emonitor software does the following:
• Cannot (in general) combine a magnitude and a spectrum measurement if
they have different measurement filters.
• Can combine an envelope acceleration magnitude measurement with a
spectrum with the same units.
• Can combine a non-filtered measurement definition with a high pass, low
pass, or band filtered measurement when the band filter is applied by the
Emonitor software after the spectrum is unloaded.
• Can combine two signatures if they are the same type (time, fixed
frequency spectrum, order normalized spectrum) and the same resolution.
Set Up Tri-axial Measurements
You can set up and collect tri-axial measurements with the Dynamix 2500 data
collector if you have a tri-axial transducer and a special tri-axial cable for your data
collector. This lets you to collect measurements in three directions without
moving the transducer.
Tri-axial measurements require setting up separate locations, and measurement
definitions for each of the three transducers. This section shows the method for
setting up these measurements.
To Set Up Tri-axial Locations and Measurement Definitions
You must set up a different location for each axis of a tri-axial transducer. The tri-
axial data is multiplexed one direction at a time.
Follow these instructions to set up tri-axial and measurement definitions.
1. Open the Database window by choosing Window > Database.
2. Select the Measurement view and click OK.
3. Select the machine in the Hierarchy Tree for which you want to set up
tri-axial measurements.
4. In the Location pane, choose View > Pane Options to add the Lo. Channel
column to the Location pane.
5. Create a Location for the first tri-axial measurement and
set Lo. Channel to 1X.
6. In the Measurement Definition pane, create the measurement definition
for that location.
7. Select the location you just created.
Rockwell Automation Publication 1441-UM001B-EN-P - September 2012
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