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Rockwell Automation Publication 1441-UM003A-EN-P - May 2011
Chapter 2
FRF Frequency Response Function Extension Module
Collect FRF Data
Once the measurement is set up and the transducers are attached correctly, the
next step is to start collecting data for the FRF.
Follow these instructions to collect FRF Data.
1.
From the Setup screen, press Start.
If you have Hammer Range, Response Range, or Num of Lines set to
automatic, a message appears advising you that you will be asked to
perform three trial hits. The results of these hits are used to automatically
determine the best settings for the associated options.
2.
Press OK to start taking data.
If you have been prompted to perform automatic parameter setup, hit the
object being tested with the hammer at the opposite side from where the
accelerometer is attached.
Automatic Parameter Set-up Hit
Count and Number-of-hits count.
