YASKAWA E-V-MD Series - Page 176

8.4 Advanced Autotuning by Reference
8-43
8
Adjustments
 When an Error Occurs
(3) Related Functions on Advanced Autotuning by Reference
 Notch Filter
Usually, set this function to Auto Setting. (The notch filter is factory-set to Auto Setting.)
When you set this function to Auto Setting, vibration will be automatically detected during execution of auto-
tuning with a host reference and the notch filter will be adjusted.
Set this function to Not Auto Setting only if you do not change the notch filter setting before executing
advanced autotuning by reference.
 Anti-Resonance Control Adjustment
This function reduces low vibration frequency, which the notch filter does not detect.
Usually, set this function to Auto Setting. (The anti-resonance control is factory-set to Auto Setting.)
When you set this function to Auto Setting, vibration will be automatically detected during autotuning with a
host reference and anti-resonance control will be automatically adjusted and set.
Error Probable Cause Corrective Actions
The gain adjustment
was not successfully
completed.
Machine vibration is occurring or position-
ing completion is not stable when the servo-
motor is stopped.
• Increase the set value for PnACC.
• Change the setting of the mode selection
from 2 to 3.
• If machine vibration occurs, suppress the
vibration with the anti-resonance control
adjustment function and the vibration sup-
pression function.
The positioning was not
completed within
approximately 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 setting of PnACC.
• Set 0 to V_PPI in the servo command out-
put signals (SVCMD_IO).
Parameter Function When Enabled Classification
Pn460
n.0
Does not set the 1st notch filter automatically with
the utility function.
Immediately Tuning
n.1
[Factory setting]
Sets the 1st notch filter automatically with the util-
ity function.
n.0
Does not set the 2nd notch filter automatically with
the utility function.
n.1
[Factory setting]
Sets the 2nd notch filter automatically with the util-
ity function.
Parameter Function When Enabled Classification
Pn160
n.0
Does not use the anti-resonance control automati-
cally with the utility function.
Immediately Tuning
n.1
[Factory setting]
Uses the anti-resonance control automatically with
the utility function.