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Parameter
Values
Signal Source
Select from:
• Mid-Filter
• Post-Filter
• Alternate Path
Measurement
Select from:
• inch/s
• m/s
• mm/s
Speed Reference
Select from:
• Off
• Speed 0
• Speed 1
• Factored Speed 0
• Factored Speed 1
Comments
Select the signal source for TWF and the FFT. (See
you can get the processed data.)
Signal Source selections for FFTs (FFT Page) and Demand data (Demand Page), for the same channel, cannot be set to
different primary path sources:
• Both can be set to the same source, or...
• One must be set to Alternate Path
Select the engineering units for the TWF and FFT.
• The rules for units selection, which are based on the transducer units (the HW Configuration properties page), are
provided in this table.
CLASS
CHANGE EU OPTION
Temperature
No change allowed
Bearing Defect Units
Pressure
Change in class only
Flow
Current
Frequency
Power
Voltage
Acceleration
Velocity
Length
•For any acceleration, velocity or displacement (length) units, the module can convert the measurement between
equivalent Metric and English units.
Displacement
Velocity
m
m/s
mm
mm/s
│
micron
inch/s
inch
mil
Select the reference speed source.
When TWFs and FFTs are read from the module, the value of this RPM is included with the data.
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Measurement Definition
Filters
for a description of the various stages of signal processing where
Acceleration
2
m/s
2
mm/s
2
│
inch/s
g
mg
Chapter 4
191
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