YASKAWA SGMJV User Manual page 177

5 Adjustments
5.3.2 Advanced Autotuning Procedure
Step
8
9
10
11
(2) Failure in Operation
 When "NO-OP" Flashes on the Display
The main circuit power supply was OFF.
An alarm or warning occurred.
Overtraveling occurred.
Gain setting 2 was selected by gain switching.
The HWBB function operated.
5-22
Display after Operation
A
Turn ON the SERVOPACK power supply again after executing advanced autotuning.
Probable Cause
Keys
Gain Adjustment
When the
the sign (+ or -) of the value set for stroke (travel dis-
tance), the calculated 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 opera-
tion.
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).
When the adjustment has been completed normally,
the servomotor power will turn OFF, and "END" will
−
flash for approximately two seconds and then "ADJ"
will be displayed on the status display.
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
display will return to that shown in step 1.
Corrective Actions
Turn ON the main circuit power supply.
Remove the cause of the alarm or the warning.
Remove the cause of the overtravel.
Disable the automatic gain switching.
Disable the HWBB function.
(cont'd)
Operation
or Key is pressed according to
Key to not save the values. The