Rockwell Automation 1441-PEN25-Z Enpac 2500 Data Collector - Manual (Page 225)

Rockwell Automation Publication GMSI10-UM002D-EN-E - August 2012 225
Balancing Application Chapter 8
The Enpac 2500 calculates the trial weight (mass), the angle, and the
radius using the following formula.
To Take the Trial Weight Measurement
1. Once the trial weight information has been entered, attach the plane 1 trial
weight to the rotor.
2. With the trial weight attached securely, restart the machine and allow it to
reach operating speed.
3. Press READ/OK to take a trial weight measurement.
The Enpac 2500 automatically measures the speed, vibration, and phase in
the first plane and constantly updates on the screen.
4. When the speed, vibration, and phase values are stable, press READ/OK.
This completes the plane 1 measurement.
5. The Enpac 2500 asks if the transducer is attached to plane 2. If the
transducer is attached, press F4 (OK) to measure plane 2 speed, vibration,
and phase.
The Enpac 2500 automatically measures the speed, vibration, and phase in
the second plane and constantly updates the values on the screen.
TIP The Enpac 2500 may ask if the transducer is attached to plane 1. If
the transducer is attached, press F4 (OK).
TIP The green status indicator illuminates when the measurement is
complete.
Refer to Status Indicators on page 25 .
Trial Weight
.1 rotor mass 9.81 900   
radius [speed  2  
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