Rockwell Automation 1441-PEN25-Z Enpac 2500 Data Collector - Manual (Page 197)

Rockwell Automation Publication GMSI10-UM002D-EN-E - August 2012 197
Bump Test Application Chapter 7
6. Select the choice by pressing the arrow keys or type in a value using the
numeric key pad.
7. Press the LEFT ARROW key to save your selections.
8. Press F3 (Save) to save the current settings to a file.
Refer to Saving a Bump Test Setup and Measurement on page 200 .
Use the descriptions in this table to help you configure the Bump Test
parameters..
TIP For the bump test, some of the vibration measurement settings are pre-set
to simplify your setup. The FFT window is pre-set to Hanning and the
Overlap is pre-set to 50%.
Table 40 - Bump Test Setup Parameters
Parameter name Description Values/Comments
Sensor Type Sets the type of vibration measurement to be used in data collection. Options:
Accel G (default)
Accel m/s
2
Vel IPS
Vel mm/s
Disp um
Disp mil
Your selection determines the available options and engineering units
for subsequent setup parameters.
Sens. (mV/EU) The transducer sensitivity in millivolts (mV) per engineering unit (EU). 1…2000 mV/EU
Default value is 50 mV/EU
The sensitivity value is included with the transducers documentation
or it may be imprinted on the side of the transducer.
Range (EU) The expected maximum amplitude range value. Options:
.1 EU
.2 EU
.5 EU
1 EU (default)
2 EU
5 EU
10 EU
20 EU
50 EU
100 EU
200 EU
500 EU
1000 EU
2000 EU
X-axis units Set the x-axis frequency units for displaying spectra/FFT data.
• Hz - Displays spectra in Hertz, cycles per second.
• CPM - Displays spectra in cycles per minute. Options:
Hz (default)
CPM
Filter Sets the high pass filter to be used in data collection. Options:
Off
.36 Hz
1.1 Hz
2 Hz (default)
10 Hz
70 Hz