3.2 Operating Procedures for Utility Functions
3.2.33 Easy FFT (Fn206)
3-105
3
Utility Function
s
Operating Procedure
Step
Operation
Result
1
Press the
Key to display the
Utility Mode Main Menu, and then
use the
Key or
Key to
select
Fn206
.
2
Press the
Key.
The Easy FFT execution display will
appear.
Note: If the initial setting display does not
appear and the status display
changes to
NO-OP
, refer to the
following section and correct the
problem.
3
The cursor will be at the setting of
Input
. Use the
Key or
Key to set the reference amplitude.
Reference amplitude range: 1 to
800
Note: First, execute the utility function
with the default value. Increasing
the reference amplitude will
increase the detection accuracy,
but the vibration and noise from
the machine will also increase.
Increase the reference amplitude a
little at a time.
4
Press the
Key.
Power will be supplied to the motor
and the display will change as
shown below.
1:BB
→
1:RUN
Setting
→
Ready
Continued on next page.
1 : B B F U N C T I O N
F n 2 0 5 : V i b
S
u p
F n 2 0 6 : E a
s
y F F T
F n 2 0 7 : V - M o n i t o r
F n 0 0 0 : A l m H i
s
t o r y
1 : B B E a
s
y F F T
S
e t t i n g
I n p u t = 0 1 5 %
1 : B B E a
s
y F F T
S
e t t i n g
I n p u t = 0 1 5 %
1 : R U N E a
s
y F F T
R e a d y
I n p u t = 0 1 5 %