4
Press the UP or DOWN Key to set a reference amplitude.
Reference amplitude setting: 1 to 800
Notes:
• At the initial execution of Fn206, do not change the refer-
ence amplitude setting, but starts from the initial value
15. Though increasing reference amplitude increases the
detection accuracy, the vibration and noise occurring on
the machine will increase momentarily. Increase the
amplitude value little by little, observing the result.
• The set value of reference amplitude is stored in Pn456.
5
Run ready status
Press the DATA/SHIFT Key for approximately one second
to enter the run ready status.
6
Press the MODE/SET Key to enter Servo ON status (the
servomotor power ON)
Note: Press the MODE/SET Key to turn the servomotor
power OFF. "F" is displayed to indicate the run ready
status.
7
Display blinks
Servomotor
small movement
In the Servo ON status (the servomotor power ON), press
the UP Key (forward) or the DOWN Key (reverse). The
servomotor performs a few to-and-from movements within
1/4 rotation in automatic operation. The motor performs
such movements for approximately 2 seconds. During this
operation, the display shown on the left blinks.
Notes:
• Press the MODE/SET Key to stop the servomotor. No
detection is executed. "F." is displayed to indicate the run
ready status (step 5).
• Do not enter the machine’s working area, because the ser-
vomotor rotates. Some noise may result.
8
Detection result
example
At normal completion of the detection, "E_FFt" stops blink-
ing and the detected resonant frequency is displayed. When
failing to detect, "F----" is displayed.
To monitor the resonance frequency without setting the
detection result, press the DATA/SHIFT Key. To set the
detection result, proceed to step 9.
<IMPORTANT>
If the operation ended normally but it took two second or
more, the detection accuracy may not be good. Set the
reference amplitude little higher than 15 in step 4 and re-
execute the operation. A higher detection accuracy be
obtained.
Though increasing reference amplitude increases the detec-
tion accuracy, the vibration and noise occurring in the
machine will increase momentarily. Increase the amplitude
value little by little, observing the result.
9
Press the DATA/SHIFT Key for approximately one second.
The servomotor turns OFF and the utility function mode
display appears.
Step
Display after
Operation
Keys Operation
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