Operation
Machine Setup
4
4-7
Table 4-2 is a list of the options for the motor input.
Table 4-2. Motor Input Options
Selection Option Description
AC
Select motor type
DC
Select the motor type of the machine under test.
Yes
AC motor with VFD
No
For ac motor type, identify the motor as VFD (variable-frequency
drive) or not.
Enter Speed in RPM RPM Entry screen
RPM Entry screen appears. Use the Tachometer to get the RPM.
Or, if you know the RPM, enter the value manually. See “RPM
Entry.”
Enter nominal HP (US)
or
Enter nominal kW (metric)
Numeric keyboard
entry
Push Keyboard to access the numeric keyboard. Enter the HP
(Horsepower) or the kW of the motor.
Horiz (Horizontal)
[1]
Motor mounted
Vert (Vertical)
[1]
Identify the motor mounting as horizontal or vertical
[1]
. It is important
to enter the motor mounting as it affects Sensor orientation.
Roller
Motor bearing type
Journal
Select the bearing type in the motor. Different bearing types have
distinct vibration signatures.
Yes
Motor is detached from
drivetrain
No
Are you testing the motor only. If the motor is detached from the
drivetrain, select Yes.
[1] The Tester cannot analyze drive trains with beveled gears where the shaft changes direction at a 90
°
angle between components.
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