Rockwell Automation 44887-PUB, 44887 Enwatch User Manual
Page 35
Publication GMSI10-UM031C-EN-E - January 2009
Installing the Enwatch 31
applies it to the number of orders to select the proper sampling rate before
collecting data.
How are DSP functions handled in the Enwatch driver?
The Enwatch unit only takes time domain data and returns that data to the
host software. All DSP functions are done by the host driver. In this way, the
firmware can focus on data collection speed. Since Enwatch does not handle
calculating the average time waveform, the host driver software must tell the
Enwatch unit to collect a time waveform of sufficient length in order to
calculate the average.
IMPORTANT
You must also define a trigger channel for the Enwatch
channel so that the Enwatch unit can find the machine
speed.
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