2) operating procedure – Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - MECHATROLINK-II Communications Reference User Manual

Page 262

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6.21 EasyFFT (Fn206)

6-35

6

Util

ity Fu

nctions (Fn

)

(2) Operating Procedure

Use the following procedure.

Step

Display after Operation

Keys

Operation

1

Press the

Key to view the main menu for the

utility function.
Use the

or

Key to move through the list and

select Fn206.

2

Press the

Key. The display changes to the Fn206

execution display.

3

The cursor is on the setting of "Input." Press
the

or

Key to set the sweep torque refer-

ence amplitude (Pn456)
Setting range: 1 to 800.
Note: When making the initial settings for EasyFFT,

do not change the setting for the reference
amplitude. Start with the original value of 15.
Increasing reference amplitude increases the

detection accuracy, but the vibration and noise
from the machine will increase. Increase the
amplitude value little by little.

4

Press the

Key to turn the servomotor power ON.

The display “BB” and “Setting” changes to “RUN”

and “Ready.”

5

Press the

(forward run start) Key or

(reverse run start) Key to run the servomotor and start
the frequency measurement. "Measure" is displayed
during the measurement.
Within a quarter turn, the servomotor will move for-
ward and then in reverse several times.
Note:
• Press the

Key to cancel the measurement. The

servomotor stops moving and the power turns OFF.
The detection of the resonance frequency is not
completed.

• The actions of the servomotor are very minute in

this operation. Also at the same time, the servomo-
tor emits a noise. To ensure safety, do not enter the
working envelope of the motor.

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

B B

− E a s y F F T −

S e t t i n g
I n p u t = 0 1 5 %

B B

− E a s y F F T −

S e t t i n g
I n p u t = 0 1 5 %

R U N

− E a s y F F T −

R e a d y
I n p u t = 0 1 5 %

R U N

− E a s y F F T −

M e a s u r e
I n p u t = 0 1 5 %

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