YASKAWA SGDV SERVOPACK, User Manual

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6.3 Advanced Autotuning (Fn201)
6-23
6
Adjustments
(2) Failure in Operation

When "NO-OP" Flashes on the Display

When "Error" Flashes on the Display
10
Press the Key. The adjusted values will be saved
in the SERVOPACK.
• If Pn170.0 = 1 (factory setting), "DONE" will flash
for approximately two seconds, and "A.941" will be
displayed.
• If Pn170.0 = 0, "DONE" will flash for approxi-
mately two seconds, and "BB" will be displayed.
Note: Press the Key to not save the values. The
display will return to that shown in step 1.
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.
Error Probable Cause Corrective Actions
The gain adjustment was
not successfully complet-
ed.
Machine vibration is occurring or the posi-
tioning completed signal (/COIN) is turning
ON and OFF when the servomotor is
stopped.
• Increase the set value for Pn522.
• Change the mode from 2 to 3.
• If machine vibration occurs, suppress the
vibration with the anti-resonance control
adjustment function and the vibration
suppression function.
An error occurred during
the calculation of the
mass.
Refer to the following table

When an Error Occurs during Calculation of Mass .
Travel distance setting er-
ror
The travel distance is set to approximately 5
mm or less, which is less than the minimum
adjustable travel distance.
Increase the travel distance. It is recom-
mended to set the travel distance to 90 mm.
The positioning complet-
ed signal (/COIN) did not
turn ON within approxi-
mately 10 seconds after
positioning adjustment
was completed.
The positioning completed width is too nar-
row or proportional control (P control) is
being used.
• Increase the set value for Pn522.
• If P control is used, turn OFF the /P-CON
signal.
The mass cannot be cal-
culated when the tuning-
less function was activat-
ed.
When the tuning-less function was activat-
ed, Jcalc was set to OFF so the mass was
not calculated.
• Turn OFF the tuning-less function.
• Set Jcalc to ON
,
so the mass will be cal-
culated.
(cont’d)
Step Display after Operation Keys Operation
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