3 Utility Function Mode
3.2.27 Advanced Autotuning (Fn201)
3-64
(3) Failure in Operation
When “NO-OP” Flashes on the Display
8
Gain Adjustment
When the or Key is pressed
according to the sign (+ or -) of the value
set for stroke (travel distance), the calcu-
lated value of the moment of inertia ratio
will be saved in the SERVOPACK and the
auto run operation will restart. While the
servomotor is running, the filters, and gains
will be automatically set. “ADJ” will flash
during the auto setting operation.
Note: Precise adjustments cannot be made
and “Error” will be displayed as the
status if there is machine resonance
when starting adjustments. If that
occurs, make adjustments using
one-parameter tuning (Fn203).
9
When the adjustment has been completed
normally, the servomotor power will turn
OFF, and “END” will flash for approxi-
mately two seconds and then “ADJ” will
be displayed on the status display.
10
Press the
Key. The adjusted values
will be saved in the SERVOPACK.
“DONE” will flash for approximately two
seconds, and “BB” will be displayed.
Note: Press the Key to not save the
values. The display returns to the
main menu of the utility function
mode.
11 Turn ON the SERVOPACK power supply again after executing advanced autotuning.
Probable Cause Corrective Actions
The main circuit power supply was OFF. Turn ON the main circuit power supply.
An alarm or warning occurred. Remove the cause of the alarm or the warning.
Overtraveling occurred. Remove the cause of the overtravel.
Gain setting 2 was selected by gain switching. Disable the automatic gain switching.
The HWBB function operated. Disable the HWBB function.
(cont’d)
Step Display after Operation Keys Operation
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